diff --git a/README.md b/README.md
index cfb2eb9b..fa0c17c4 100644
--- a/README.md
+++ b/README.md
@@ -776,199 +776,201 @@ These options should contain something like:
 
 Below is the complete list of available options that can be used to customize your gitlab installation.
 
-- **DEBUG**: Set this to `true` to enable entrypoint debugging.
-- **GITLAB_HOST**: The hostname of the GitLab server. Defaults to `localhost`
-- **GITLAB_CI_HOST**: If you are migrating from GitLab CI use this parameter to configure the redirection to the GitLab service so that your existing runners continue to work without any changes. No defaults.
-- **GITLAB_PORT**: The port of the GitLab server. This value indicates the public port on which the GitLab application will be accessible on the network and appropriately configures GitLab to generate the correct urls. It does not affect the port on which the internal nginx server will be listening on. Defaults to `443` if `GITLAB_HTTPS=true`, else defaults to `80`.
-- **GITLAB_SECRETS_DB_KEY_BASE**: Encryption key for special GitLab variables in the database. Ensure that your key is at least 32 characters long and that you don't lose it. You can generate one using `pwgen -Bsv1 64`. If you are migrating from GitLab CI, you need to set this value to the value of `GITLAB_CI_SECRETS_DB_KEY_BASE`. No defaults.
-- **GITLAB_TIMEZONE**: Configure the timezone for the gitlab application. This configuration does not effect cron jobs. Defaults to `UTC`. See the list of [acceptable values](http://api.rubyonrails.org/classes/ActiveSupport/TimeZone.html).
-- **GITLAB_ROOT_PASSWORD**: The password for the root user on firstrun. Defaults to `5iveL!fe`.
-- **GITLAB_ROOT_EMAIL**: The email for the root user on firstrun. Defaults to `admin@example.com`
-- **GITLAB_EMAIL**: The email address for the GitLab server. Defaults to value of `SMTP_USER`, else defaults to `example@example.com`.
-- **GITLAB_EMAIL_DISPLAY_NAME**: The name displayed in emails sent out by the GitLab mailer. Defaults to `GitLab`.
-- **GITLAB_EMAIL_REPLY_TO**: The reply-to address of emails sent out by GitLab. Defaults to value of `GITLAB_EMAIL`, else defaults to `noreply@example.com`.
-- **GITLAB_EMAIL_ENABLED**: Enable or disable gitlab mailer. Defaults to the `SMTP_ENABLED` configuration.
-- **GITLAB_INCOMING_EMAIL_ADDRESS**: The incoming email address for reply by email. Defaults to the value of `IMAP_USER`, else defaults to `reply@example.com`. Please read the [reply by email](http://doc.gitlab.com/ce/incoming_email/README.html) documentation to curretly set this parameter.
-- **GITLAB_INCOMING_EMAIL_ENABLED**: Enable or disable gitlab reply by email feature. Defaults to the value of `IMAP_ENABLED`.
-- **GITLAB_SIGNUP_ENABLED**: Enable or disable user signups (first run only). Default is `true`.
-- **GITLAB_PROJECTS_LIMIT**: Set default projects limit. Defaults to `100`.
-- **GITLAB_USERNAME_CHANGE**: Enable or disable ability for users to change their username. Defaults to `true`.
-- **GITLAB_CREATE_GROUP**: Enable or disable ability for users to create groups. Defaults to `true`.
-- **GITLAB_PROJECTS_ISSUES**: Set if *issues* feature should be enabled by default for new projects. Defaults to `true`.
-- **GITLAB_PROJECTS_MERGE_REQUESTS**: Set if *merge requests* feature should be enabled by default for new projects. Defaults to `true`.
-- **GITLAB_PROJECTS_WIKI**: Set if *wiki* feature should be enabled by default for new projects. Defaults to `true`.
-- **GITLAB_PROJECTS_SNIPPETS**: Set if *snippets* feature should be enabled by default for new projects. Defaults to `false`.
-- **GITLAB_PROJECTS_BUILDS**: Set if *builds* feature should be enabled by default for new projects. Defaults to `true`.
-- **GITLAB_PROJECTS_CONTAINER_REGISTRY**: Set if *container_registry* feature should be enabled by default for new projects. Defaults to `true`.
-- **GITLAB_WEBHOOK_TIMEOUT**: Sets the timeout for webhooks. Defaults to `10` seconds.
-- **GITLAB_TIMEOUT**: Sets the timeout for git commands. Defaults to `10` seconds.
-- **GITLAB_MAX_OBJECT_SIZE**: Maximum size (in bytes) of a git object (eg. a commit) in bytes. Defaults to `20971520`, i.e. `20` megabytes.
-- **GITLAB_NOTIFY_ON_BROKEN_BUILDS**: Enable or disable broken build notification emails. Defaults to `true`
-- **GITLAB_NOTIFY_PUSHER**: Add pusher to recipients list of broken build notification emails. Defaults to `false`
-- **GITLAB_REPOS_DIR**: The git repositories folder in the container. Defaults to `/home/git/data/repositories`
-- **GITLAB_BACKUP_DIR**: The backup folder in the container. Defaults to `/home/git/data/backups`
-- **GITLAB_BUILDS_DIR**: The build traces directory. Defaults to `/home/git/data/builds`
-- **GITLAB_DOWNLOADS_DIR**: The repository downloads directory. A temporary zip is created in this directory when users click **Download Zip** on a project. Defaults to `/home/git/data/tmp/downloads`.
-- **GITLAB_SHARED_DIR**: The directory to store the build artifacts. Defaults to `/home/git/data/shared`
-- **GITLAB_ARTIFACTS_ENABLED**: Enable/Disable GitLab artifacts support. Defaults to `true`.
-- **GITLAB_ARTIFACTS_DIR**: Directory to store the artifacts. Defaults to `$GITLAB_SHARED_DIR/artifacts`
-- **GITLAB_LFS_ENABLED**: Enable/Disable Git LFS support. Defaults to `true`.
-- **GITLAB_LFS_OBJECTS_DIR**: Directory to store the lfs-objects. Defaults to `$GITLAB_SHARED_DIR/lfs-objects`
-- **GITLAB_BACKUP_SCHEDULE**: Setup cron job to automatic backups. Possible values `disable`, `daily`, `weekly` or `monthly`. Disabled by default
-- **GITLAB_BACKUP_EXPIRY**: Configure how long (in seconds) to keep backups before they are deleted. By default when automated backups are disabled backups are kept forever (0 seconds), else the backups expire in 7 days (604800 seconds).
-- **GITLAB_BACKUP_PG_SCHEMA**: Specify the PostgreSQL schema for the backups. No defaults, which means that all schemas will be backed up. see #524
-- **GITLAB_BACKUP_ARCHIVE_PERMISSIONS**: Sets the permissions of the backup archives. Defaults to `0600`. [See](http://doc.gitlab.com/ce/raketasks/backup_restore.html#backup-archive-permissions)
-- **GITLAB_BACKUP_TIME**: Set a time for the automatic backups in `HH:MM` format. Defaults to `04:00`.
-- **GITLAB_BACKUP_SKIP**: Specified sections are skipped by the backups. Defaults to empty, i.e. `lfs,uploads`. [See](http://doc.gitlab.com/ce/raketasks/backup_restore.html#create-a-backup-of-the-gitlab-system)
-- **GITLAB_SSH_HOST**: The ssh host. Defaults to **GITLAB_HOST**.
-- **GITLAB_SSH_PORT**: The ssh port number. Defaults to `22`.
-- **GITLAB_RELATIVE_URL_ROOT**: The relative url of the GitLab server, e.g. `/git`. No default.
-- **GITLAB_TRUSTED_PROXIES**: Add IP address reverse proxy to trusted proxy list, otherwise users will appear signed in from that address. Currently only a single entry is permitted. No defaults.
-- **GITLAB_REGISTRY_ENABLED**: Enables the GitLab Container Registry. Defaults to `false`.
-- **GITLAB_REGISTRY_HOST**: Sets the GitLab Registry Host. Defaults to `registry.example.com`
-- **GITLAB_REGISTRY_PORT**: Sets the GitLab Registry Port. Defaults to `443`.
-- **GITLAB_REGISTRY_API_URL**: Sets the GitLab Registry API URL. Defaults to `http://localhost:5000`
-- **GITLAB_REGISTRY_KEY_PATH**: Sets the GitLab Registry Key Path. Defaults to `config/registry.key`
-- **GITLAB_REGISTRY_DIR**: Directory to store the container images will be shared with registry. Defaults to `$GITLAB_SHARED_DIR/registry`
-- **GITLAB_REGISTRY_ISSUER**: Sets the GitLab Registry Issuer. Defaults to `gitlab-issuer`.
-- **GITLAB_HTTPS**: Set to `true` to enable https support, disabled by default.
-- **SSL_SELF_SIGNED**: Set to `true` when using self signed ssl certificates. `false` by default.
-- **SSL_CERTIFICATE_PATH**: Location of the ssl certificate. Defaults to `/home/git/data/certs/gitlab.crt`
-- **SSL_KEY_PATH**: Location of the ssl private key. Defaults to `/home/git/data/certs/gitlab.key`
-- **SSL_DHPARAM_PATH**: Location of the dhparam file. Defaults to `/home/git/data/certs/dhparam.pem`
-- **SSL_VERIFY_CLIENT**: Enable verification of client certificates using the `SSL_CA_CERTIFICATES_PATH` file. Defaults to `false`
-- **SSL_CA_CERTIFICATES_PATH**: List of SSL certificates to trust. Defaults to `/home/git/data/certs/ca.crt`.
-- **SSL_REGISTRY_KEY_PATH**: Location of the ssl private key for gitlab container registry. Defaults to `/home/git/data/certs/registry.key`
-- **SSL_REGISTRY_CERT_PATH**: Location of the ssl certificate for the gitlab container registry. Defaults to `/home/git/data/certs/registry.crt`
-- **SSL_CIPHERS**: List of supported SSL ciphers: Defaults to `ECDHE-RSA-AES256-GCM-SHA384:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-RSA-AES256-SHA384:ECDHE-RSA-AES128-SHA256:ECDHE-RSA-AES256-SHA:ECDHE-RSA-AES128-SHA:ECDHE-RSA-DES-CBC3-SHA:AES256-GCM-SHA384:AES128-GCM-SHA256:AES256-SHA256:AES128-SHA256:AES256-SHA:AES128-SHA:DES-CBC3-SHA:!aNULL:!eNULL:!EXPORT:!DES:!MD5:!PSK:!RC4`
-- **NGINX_WORKERS**: The number of nginx workers to start. Defaults to `1`.
-- **NGINX_SERVER_NAMES_HASH_BUCKET_SIZE**: Sets the bucket size for the server names hash tables. This is needed when you have long server_names or your an error message from nginx like *nginx: [emerg] could not build server_names_hash, you should increase server_names_hash_bucket_size:..*. It should be only increment by a power of 2. Defaults to `32`.
-- **NGINX_HSTS_ENABLED**: Advanced configuration option for turning off the HSTS configuration. Applicable only when SSL is in use. Defaults to `true`. See [#138](https://github.com/sameersbn/docker-gitlab/issues/138) for use case scenario.
-- **NGINX_HSTS_MAXAGE**: Advanced configuration option for setting the HSTS max-age in the gitlab nginx vHost configuration. Applicable only when SSL is in use. Defaults to `31536000`.
-- **NGINX_PROXY_BUFFERING**: Enable `proxy_buffering`. Defaults to `off`.
-- **NGINX_ACCEL_BUFFERING**: Enable `X-Accel-Buffering` header. Default to `no`
-- **NGINX_X_FORWARDED_PROTO**: Advanced configuration option for the `proxy_set_header X-Forwarded-Proto` setting in the gitlab nginx vHost configuration. Defaults to `https` when `GITLAB_HTTPS` is `true`, else defaults to `$scheme`.
-- **REDIS_HOST**: The hostname of the redis server. Defaults to `localhost`
-- **REDIS_PORT**: The connection port of the redis server. Defaults to `6379`.
-- **REDIS_DB_NUMBER**: The redis database number. Defaults to '0'.
-- **UNICORN_WORKERS**: The number of unicorn workers to start. Defaults to `3`.
-- **UNICORN_TIMEOUT**: Sets the timeout of unicorn worker processes. Defaults to `60` seconds.
-- **SIDEKIQ_CONCURRENCY**: The number of concurrent sidekiq jobs to run. Defaults to `25`
-- **SIDEKIQ_SHUTDOWN_TIMEOUT**: Timeout for sidekiq shutdown. Defaults to `4`
-- **SIDEKIQ_MEMORY_KILLER_MAX_RSS**: Non-zero value enables the SidekiqMemoryKiller. Defaults to `1000000`. For additional options refer [Configuring the MemoryKiller](http://doc.gitlab.com/ce/operations/sidekiq_memory_killer.html)
-- **DB_ADAPTER**: The database type. Possible values: `mysql2`, `postgresql`. Defaults to `postgresql`.
-- **DB_ENCODING**: The database encoding. For `DB_ADAPTER` values `postresql` and `mysql2`, this parameter defaults to `unicode` and `utf8` respectively.
-- **DB_HOST**: The database server hostname. Defaults to `localhost`.
-- **DB_PORT**: The database server port. Defaults to `3306` for mysql and `5432` for postgresql.
-- **DB_NAME**: The database database name. Defaults to `gitlabhq_production`
-- **DB_USER**: The database database user. Defaults to `root`
-- **DB_PASS**: The database database password. Defaults to no password
-- **DB_POOL**: The database database connection pool count. Defaults to `10`.
-- **SMTP_ENABLED**: Enable mail delivery via SMTP. Defaults to `true` if `SMTP_USER` is defined, else defaults to `false`.
-- **SMTP_DOMAIN**: SMTP domain. Defaults to` www.gmail.com`
-- **SMTP_HOST**: SMTP server host. Defaults to `smtp.gmail.com`.
-- **SMTP_PORT**: SMTP server port. Defaults to `587`.
-- **SMTP_USER**: SMTP username.
-- **SMTP_PASS**: SMTP password.
-- **SMTP_STARTTLS**: Enable STARTTLS. Defaults to `true`.
-- **SMTP_TLS**: Enable SSL/TLS. Defaults to `false`.
-- **SMTP_OPENSSL_VERIFY_MODE**: SMTP openssl verification mode. Accepted values are `none`, `peer`, `client_once` and `fail_if_no_peer_cert`. Defaults to `none`.
-- **SMTP_AUTHENTICATION**: Specify the SMTP authentication method. Defaults to `login` if `SMTP_USER` is set.
-- **SMTP_CA_ENABLED**: Enable custom CA certificates for SMTP email configuration. Defaults to `false`.
-- **SMTP_CA_PATH**: Specify the `ca_path` parameter for SMTP email configuration. Defaults to `/home/git/data/certs`.
-- **SMTP_CA_FILE**: Specify the `ca_file` parameter for SMTP email configuration. Defaults to `/home/git/data/certs/ca.crt`.
-- **IMAP_ENABLED**: Enable mail delivery via IMAP. Defaults to `true` if `IMAP_USER` is defined, else defaults to `false`.
-- **IMAP_HOST**: IMAP server host. Defaults to `imap.gmail.com`.
-- **IMAP_PORT**: IMAP server port. Defaults to `993`.
-- **IMAP_USER**: IMAP username.
-- **IMAP_PASS**: IMAP password.
-- **IMAP_SSL**: Enable SSL. Defaults to `true`.
-- **IMAP_STARTTLS**: Enable STARTSSL. Defaults to `false`.
-- **IMAP_MAILBOX**: The name of the mailbox where incoming mail will end up. Defaults to `inbox`.
-- **LDAP_ENABLED**: Enable LDAP. Defaults to `false`
-- **LDAP_LABEL**: Label to show on login tab for LDAP server. Defaults to 'LDAP'
-- **LDAP_HOST**: LDAP Host
-- **LDAP_PORT**: LDAP Port. Defaults to `389`
-- **LDAP_UID**: LDAP UID. Defaults to `sAMAccountName`
-- **LDAP_METHOD**: LDAP method, Possible values are `ssl`, `tls` and `plain`. Defaults to `plain`
-- **LDAP_BIND_DN**: No default.
-- **LDAP_PASS**: LDAP password
-- **LDAP_TIMEOUT**: Timeout, in seconds, for LDAP queries. Defaults to `10`.
-- **LDAP_ACTIVE_DIRECTORY**: Specifies if LDAP server is Active Directory LDAP server. If your LDAP server is not AD, set this to `false`. Defaults to `true`,
-- **LDAP_ALLOW_USERNAME_OR_EMAIL_LOGIN**: If enabled, GitLab will ignore everything after the first '@' in the LDAP username submitted by the user on login. Defaults to `false` if `LDAP_UID` is `userPrincipalName`, else `true`.
-- **LDAP_BLOCK_AUTO_CREATED_USERS**: Locks down those users until they have been cleared by the admin. Defaults to `false`.
-- **LDAP_BASE**: Base where we can search for users. No default.
-- **LDAP_USER_FILTER**: Filter LDAP users. No default.
-- **OAUTH_ENABLED**: Enable OAuth support. Defaults to `true` if any of the support OAuth providers is configured, else defaults to `false`.
-- **OAUTH_AUTO_SIGN_IN_WITH_PROVIDER**: Automatically sign in with a specific OAuth provider without showing GitLab sign-in page. Accepted values are `cas3`, `github`, `bitbucket`, `gitlab`, `google_oauth2`, `facebook`, `twitter`, `saml`, `crowd`, `auth0` and `azure_oauth2`. No default.
-- **OAUTH_ALLOW_SSO**: Comma separated list of oauth providers for single sign-on. This allows users to login without having a user account. The account is created automatically when authentication is successful. Accepted values are `cas3`, `github`, `bitbucket`, `gitlab`, `google_oauth2`, `facebook`, `twitter`, `saml`, `crowd`, `auth0` and `azure_oauth2`. No default.
-- **OAUTH_BLOCK_AUTO_CREATED_USERS**: Locks down those users until they have been cleared by the admin. Defaults to `true`.
-- **OAUTH_AUTO_LINK_LDAP_USER**: Look up new users in LDAP servers. If a match is found (same uid), automatically link the omniauth identity with the LDAP account. Defaults to `false`.
-- **OAUTH_AUTO_LINK_SAML_USER**: Allow users with existing accounts to login and auto link their account via SAML login, without having to do a manual login first and manually add SAML. Defaults to `false`.
-- **OAUTH_EXTERNAL_PROVIDERS**: Comma separated list if oauth providers to disallow access to `internal` projects. Users creating accounts via these providers will have access internal projects. Accepted values are `cas3`, `github`, `bitbucket`, `gitlab`, `google_oauth2`, `facebook`, `twitter`, `saml`, `crowd`, `auth0` and `azure_oauth2`. No default.
-- **OAUTH_CAS3_LABEL**: The "Sign in with" button label. Defaults to "cas3".
-- **OAUTH_CAS3_SERVER**: CAS3 server URL. No defaults.
-- **OAUTH_CAS3_DISABLE_SSL_VERIFICATION**: Disable CAS3 SSL verification. Defaults to `false`.
-- **OAUTH_CAS3_LOGIN_URL**: CAS3 login URL. Defaults to `/cas/login`
-- **OAUTH_CAS3_VALIDATE_URL**: CAS3 validation URL. Defaults to `/cas/p3/serviceValidate`
-- **OAUTH_CAS3_LOGOUT_URL**: CAS3 logout URL. Defaults to `/cas/logout`
-- **OAUTH_GOOGLE_API_KEY**: Google App Client ID. No defaults.
-- **OAUTH_GOOGLE_APP_SECRET**: Google App Client Secret. No defaults.
-- **OAUTH_GOOGLE_RESTRICT_DOMAIN**: Google App restricted domain. No defaults.
-- **OAUTH_FACEBOOK_API_KEY**: Facebook App API key. No defaults.
-- **OAUTH_FACEBOOK_APP_SECRET**: Facebook App API secret. No defaults.
-- **OAUTH_TWITTER_API_KEY**: Twitter App API key. No defaults.
-- **OAUTH_TWITTER_APP_SECRET**: Twitter App API secret. No defaults.
-- **OAUTH_GITHUB_API_KEY**: GitHub App Client ID. No defaults.
-- **OAUTH_GITHUB_APP_SECRET**: GitHub App Client secret. No defaults.
-- **OAUTH_GITHUB_URL**: Url to the GitHub Enterprise server. Defaults to https://github.com
-- **OAUTH_GITHUB_VERIFY_SSL**: Enable SSL verification while communicating with the GitHub server. Defaults to `true`.
-- **OAUTH_GITLAB_API_KEY**: GitLab App Client ID. No defaults.
-- **OAUTH_GITLAB_APP_SECRET**: GitLab App Client secret. No defaults.
-- **OAUTH_BITBUCKET_API_KEY**: BitBucket App Client ID. No defaults.
-- **OAUTH_BITBUCKET_APP_SECRET**: BitBucket App Client secret. No defaults.
-- **OAUTH_SAML_ASSERTION_CONSUMER_SERVICE_URL**: The URL at which the SAML assertion should be received. When `GITLAB_HTTPS=true`, defaults to `https://${GITLAB_HOST}/users/auth/saml/callback` else defaults to `http://${GITLAB_HOST}/users/auth/saml/callback`.
-- **OAUTH_SAML_IDP_CERT_FINGERPRINT**: The SHA1 fingerprint of the certificate. No Defaults.
-- **OAUTH_SAML_IDP_SSO_TARGET_URL**: The URL to which the authentication request should be sent. No defaults.
-- **OAUTH_SAML_ISSUER**: The name of your application. When `GITLAB_HTTPS=true`, defaults to `https://${GITLAB_HOST}` else defaults to `http://${GITLAB_HOST}`.
-- **OAUTH_SAML_LABEL**: The "Sign in with" button label. Defaults to "Our SAML Provider".
-- **OAUTH_SAML_NAME_IDENTIFIER_FORMAT**: Describes the format of the username required by GitLab, Defaults to `urn:oasis:names:tc:SAML:2.0:nameid-format:transient`
-- **OAUTH_SAML_GROUPS_ATTRIBUTE**: Map groups attribute in a SAMLResponse to external groups. No defaults.
-- **OAUTH_SAML_EXTERNAL_GROUPS**: List of external groups in a SAMLResponse. Value is comma separated list of single quoted groups. Example: `'group1','group2'`. No defaults.
-- **OAUTH_SAML_ATTRIBUTE_STATEMENTS_EMAIL**: Map 'email' attribute name in a SAMLResponse to entries in the OmniAuth info hash, No defaults. See [GitLab documentation](http://doc.gitlab.com/ce/integration/saml.html#attribute_statements) for more details.
-- **OAUTH_SAML_ATTRIBUTE_STATEMENTS_NAME**: Map 'name' attribute in a SAMLResponse to entries in the OmniAuth info hash, No defaults. See [GitLab documentation](http://doc.gitlab.com/ce/integration/saml.html#attribute_statements) for more details.
-- **OAUTH_SAML_ATTRIBUTE_STATEMENTS_FIRST_NAME**: Map 'first_name' attribute in a SAMLResponse to entries in the OmniAuth info hash, No defaults. See [GitLab documentation](http://doc.gitlab.com/ce/integration/saml.html#attribute_statements) for more details.
-- **OAUTH_SAML_ATTRIBUTE_STATEMENTS_LAST_NAME**: Map 'last_name' attribute in a SAMLResponse to entries in the OmniAuth info hash, No defaults. See [GitLab documentation](http://doc.gitlab.com/ce/integration/saml.html#attribute_statements) for more details.
-- **OAUTH_CROWD_SERVER_URL**: Crowd server url. No defaults.
-- **OAUTH_CROWD_APP_NAME**: Crowd server application name. No defaults.
-- **OAUTH_CROWD_APP_PASSWORD**: Crowd server application password. No defaults.
-- **OAUTH_AUTH0_CLIENT_ID**: Auth0 Client ID. No defaults.
-- **OAUTH_AUTH0_CLIENT_SECRET**: Auth0 Client secret. No defaults.
-- **OAUTH_AUTH0_DOMAIN**: Auth0 Domain. No defaults.
-- **OAUTH_AZURE_API_KEY**: Azure Client ID. No defaults.
-- **OAUTH_AZURE_API_SECRET**: Azure Client secret. No defaults.
-- **OAUTH_AZURE_TENANT_ID**: Azure Tenant ID. No defaults.
-- **GITLAB_GRAVATAR_ENABLED**: Enables gravatar integration. Defaults to `true`.
-- **GITLAB_GRAVATAR_HTTP_URL**: Sets a custom gravatar url. Defaults to `http://www.gravatar.com/avatar/%{hash}?s=%{size}&d=identicon`. This can be used for [Libravatar integration](http://doc.gitlab.com/ce/customization/libravatar.html).
-- **GITLAB_GRAVATAR_HTTPS_URL**: Same as above, but for https. Defaults to `https://secure.gravatar.com/avatar/%{hash}?s=%{size}&d=identicon`.
-- **USERMAP_UID**: Sets the uid for user `git` to the specified uid. Defaults to `1000`.
-- **USERMAP_GID**: Sets the gid for group `git` to the specified gid. Defaults to `USERMAP_UID` if defined, else defaults to `1000`.
-- **GOOGLE_ANALYTICS_ID**: Google Analytics ID. No defaults.
-- **PIWIK_URL**: Sets the Piwik URL. No defaults.
-- **PIWIK_SITE_ID**: Sets the Piwik site ID. No defaults.
-- **AWS_BACKUPS**: Enables automatic uploads to an Amazon S3 instance. Defaults to `false`.
-- **AWS_BACKUP_REGION**: AWS region. No defaults.
-- **AWS_BACKUP_ACCESS_KEY_ID**: AWS access key id. No defaults.
-- **AWS_BACKUP_SECRET_ACCESS_KEY**: AWS secret access key. No defaults.
-- **AWS_BACKUP_BUCKET**: AWS bucket for backup uploads. No defaults.
-- **AWS_BACKUP_MULTIPART_CHUNK_SIZE**: Enables mulitpart uploads when file size reaches a defined size. See at [AWS S3 Docs](http://docs.aws.amazon.com/AmazonS3/latest/dev/uploadobjusingmpu.html)
-- **GITLAB_ROBOTS_PATH**: Location of custom `robots.txt`. Uses GitLab's default `robots.txt` configuration by default. See [www.robotstxt.org](http://www.robotstxt.org) for examples.
-- **RACK_ATTACK_ENABLED**: Enable/disable rack middleware for blocking & throttling abusive requests Defaults to `true`.
-- **RACK_ATTACK_WHITELIST**: Always allow requests from whitelisted host. Defaults to `127.0.0.1`
-- **RACK_ATTACK_MAXRETRY**: Number of failed auth attempts before which an IP should be banned. Defaults to `10`
-- **RACK_ATTACK_FINDTIME**: Number of seconds before resetting the per IP auth attempt counter. Defaults to `60`.
-- **RACK_ATTACK_BANTIME**: Number of seconds an IP should be banned after too many auth attempts. Defaults to `3600`.
-- **GITLAB_WORKHORSE_TIMEOUT**: Timeout for gitlab workhorse http proxy. Defaults to `5m0s`.
+| Parameter | Description |
+|-----------|-------------|
+| `DEBUG` | Set this to `true` to enable entrypoint debugging. |
+| `GITLAB_HOST` | The hostname of the GitLab server. Defaults to `localhost` |
+| `GITLAB_CI_HOST` | If you are migrating from GitLab CI use this parameter to configure the redirection to the GitLab service so that your existing runners continue to work without any changes. No defaults. |
+| `GITLAB_PORT` | The port of the GitLab server. This value indicates the public port on which the GitLab application will be accessible on the network and appropriately configures GitLab to generate the correct urls. It does not affect the port on which the internal nginx server will be listening on. Defaults to `443` if `GITLAB_HTTPS=true`, else defaults to `80`. |
+| `GITLAB_SECRETS_DB_KEY_BASE` | Encryption key for special GitLab variables in the database. Ensure that your key is at least 32 characters long and that you don't lose it. You can generate one using `pwgen -Bsv1 64`. If you are migrating from GitLab CI, you need to set this value to the value of `GITLAB_CI_SECRETS_DB_KEY_BASE`. No defaults. |
+| `GITLAB_TIMEZONE` | Configure the timezone for the gitlab application. This configuration does not effect cron jobs. Defaults to `UTC`. See the list of [acceptable values](http://api.rubyonrails.org/classes/ActiveSupport/TimeZone.html). |
+| `GITLAB_ROOT_PASSWORD` | The password for the root user on firstrun. Defaults to `5iveL!fe`. |
+| `GITLAB_ROOT_EMAIL` | The email for the root user on firstrun. Defaults to `admin@example.com` |
+| `GITLAB_EMAIL` | The email address for the GitLab server. Defaults to value of `SMTP_USER`, else defaults to `example@example.com`. |
+| `GITLAB_EMAIL_DISPLAY_NAME` | The name displayed in emails sent out by the GitLab mailer. Defaults to `GitLab`. |
+| `GITLAB_EMAIL_REPLY_TO` | The reply-to address of emails sent out by GitLab. Defaults to value of `GITLAB_EMAIL`, else defaults to `noreply@example.com`. |
+| `GITLAB_EMAIL_ENABLED` | Enable or disable gitlab mailer. Defaults to the `SMTP_ENABLED` configuration. |
+| `GITLAB_INCOMING_EMAIL_ADDRESS` | The incoming email address for reply by email. Defaults to the value of `IMAP_USER`, else defaults to `reply@example.com`. Please read the [reply by email](http://doc.gitlab.com/ce/incoming_email/README.html) documentation to curretly set this parameter. |
+| `GITLAB_INCOMING_EMAIL_ENABLED` | Enable or disable gitlab reply by email feature. Defaults to the value of `IMAP_ENABLED`. |
+| `GITLAB_SIGNUP_ENABLED` | Enable or disable user signups (first run only). Default is `true`. |
+| `GITLAB_PROJECTS_LIMIT` | Set default projects limit. Defaults to `100`. |
+| `GITLAB_USERNAME_CHANGE` | Enable or disable ability for users to change their username. Defaults to `true`. |
+| `GITLAB_CREATE_GROUP` | Enable or disable ability for users to create groups. Defaults to `true`. |
+| `GITLAB_PROJECTS_ISSUES` | Set if *issues* feature should be enabled by default for new projects. Defaults to `true`. |
+| `GITLAB_PROJECTS_MERGE_REQUESTS` | Set if *merge requests* feature should be enabled by default for new projects. Defaults to `true`. |
+| `GITLAB_PROJECTS_WIKI` | Set if *wiki* feature should be enabled by default for new projects. Defaults to `true`. |
+| `GITLAB_PROJECTS_SNIPPETS` | Set if *snippets* feature should be enabled by default for new projects. Defaults to `false`. |
+| `GITLAB_PROJECTS_BUILDS` | Set if *builds* feature should be enabled by default for new projects. Defaults to `true`. |
+| `GITLAB_PROJECTS_CONTAINER_REGISTRY` | Set if *container_registry* feature should be enabled by default for new projects. Defaults to `true`. |
+| `GITLAB_WEBHOOK_TIMEOUT` | Sets the timeout for webhooks. Defaults to `10` seconds. |
+| `GITLAB_TIMEOUT` | Sets the timeout for git commands. Defaults to `10` seconds. |
+| `GITLAB_MAX_OBJECT_SIZE` | Maximum size (in bytes) of a git object (eg. a commit) in bytes. Defaults to `20971520`, i.e. `20` megabytes. |
+| `GITLAB_NOTIFY_ON_BROKEN_BUILDS` | Enable or disable broken build notification emails. Defaults to `true` |
+| `GITLAB_NOTIFY_PUSHER` | Add pusher to recipients list of broken build notification emails. Defaults to `false` |
+| `GITLAB_REPOS_DIR` | The git repositories folder in the container. Defaults to `/home/git/data/repositories` |
+| `GITLAB_BACKUP_DIR` | The backup folder in the container. Defaults to `/home/git/data/backups` |
+| `GITLAB_BUILDS_DIR` | The build traces directory. Defaults to `/home/git/data/builds` |
+| `GITLAB_DOWNLOADS_DIR` | The repository downloads directory. A temporary zip is created in this directory when users click **Download Zip** on a project. Defaults to `/home/git/data/tmp/downloads`. |
+| `GITLAB_SHARED_DIR` | The directory to store the build artifacts. Defaults to `/home/git/data/shared` |
+| `GITLAB_ARTIFACTS_ENABLED` | Enable/Disable GitLab artifacts support. Defaults to `true`. |
+| `GITLAB_ARTIFACTS_DIR` | Directory to store the artifacts. Defaults to `$GITLAB_SHARED_DIR/artifacts` |
+| `GITLAB_LFS_ENABLED` | Enable/Disable Git LFS support. Defaults to `true`. |
+| `GITLAB_LFS_OBJECTS_DIR` | Directory to store the lfs-objects. Defaults to `$GITLAB_SHARED_DIR/lfs-objects` |
+| `GITLAB_BACKUP_SCHEDULE` | Setup cron job to automatic backups. Possible values `disable`, `daily`, `weekly` or `monthly`. Disabled by default |
+| `GITLAB_BACKUP_EXPIRY` | Configure how long (in seconds) to keep backups before they are deleted. By default when automated backups are disabled backups are kept forever (0 seconds), else the backups expire in 7 days (604800 seconds). |
+| `GITLAB_BACKUP_PG_SCHEMA` | Specify the PostgreSQL schema for the backups. No defaults, which means that all schemas will be backed up. see #524 |
+| `GITLAB_BACKUP_ARCHIVE_PERMISSIONS` | Sets the permissions of the backup archives. Defaults to `0600`. [See](http://doc.gitlab.com/ce/raketasks/backup_restore.html#backup-archive-permissions) |
+| `GITLAB_BACKUP_TIME` | Set a time for the automatic backups in `HH:MM` format. Defaults to `04:00`. |
+| `GITLAB_BACKUP_SKIP` | Specified sections are skipped by the backups. Defaults to empty, i.e. `lfs,uploads`. [See](http://doc.gitlab.com/ce/raketasks/backup_restore.html#create-a-backup-of-the-gitlab-system) |
+| `GITLAB_SSH_HOST` | The ssh host. Defaults to **GITLAB_HOST**. |
+| `GITLAB_SSH_PORT` | The ssh port number. Defaults to `22`. |
+| `GITLAB_RELATIVE_URL_ROOT` | The relative url of the GitLab server, e.g. `/git`. No default. |
+| `GITLAB_TRUSTED_PROXIES` | Add IP address reverse proxy to trusted proxy list, otherwise users will appear signed in from that address. Currently only a single entry is permitted. No defaults. |
+| `GITLAB_REGISTRY_ENABLED` | Enables the GitLab Container Registry. Defaults to `false`. |
+| `GITLAB_REGISTRY_HOST` | Sets the GitLab Registry Host. Defaults to `registry.example.com` |
+| `GITLAB_REGISTRY_PORT` | Sets the GitLab Registry Port. Defaults to `443`. |
+| `GITLAB_REGISTRY_API_URL` | Sets the GitLab Registry API URL. Defaults to `http://localhost:5000` |
+| `GITLAB_REGISTRY_KEY_PATH` | Sets the GitLab Registry Key Path. Defaults to `config/registry.key` |
+| `GITLAB_REGISTRY_DIR` | Directory to store the container images will be shared with registry. Defaults to `$GITLAB_SHARED_DIR/registry` |
+| `GITLAB_REGISTRY_ISSUER` | Sets the GitLab Registry Issuer. Defaults to `gitlab-issuer`. |
+| `GITLAB_HTTPS` | Set to `true` to enable https support, disabled by default. |
+| `SSL_SELF_SIGNED` | Set to `true` when using self signed ssl certificates. `false` by default. |
+| `SSL_CERTIFICATE_PATH` | Location of the ssl certificate. Defaults to `/home/git/data/certs/gitlab.crt` |
+| `SSL_KEY_PATH` | Location of the ssl private key. Defaults to `/home/git/data/certs/gitlab.key` |
+| `SSL_DHPARAM_PATH` | Location of the dhparam file. Defaults to `/home/git/data/certs/dhparam.pem` |
+| `SSL_VERIFY_CLIENT` | Enable verification of client certificates using the `SSL_CA_CERTIFICATES_PATH` file. Defaults to `false` |
+| `SSL_CA_CERTIFICATES_PATH` | List of SSL certificates to trust. Defaults to `/home/git/data/certs/ca.crt`. |
+| `SSL_REGISTRY_KEY_PATH` | Location of the ssl private key for gitlab container registry. Defaults to `/home/git/data/certs/registry.key` |
+| `SSL_REGISTRY_CERT_PATH` | Location of the ssl certificate for the gitlab container registry. Defaults to `/home/git/data/certs/registry.crt` |
+| `SSL_CIPHERS` | List of supported SSL ciphers: Defaults to `ECDHE-RSA-AES256-GCM-SHA384:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-RSA-AES256-SHA384:ECDHE-RSA-AES128-SHA256:ECDHE-RSA-AES256-SHA:ECDHE-RSA-AES128-SHA:ECDHE-RSA-DES-CBC3-SHA:AES256-GCM-SHA384:AES128-GCM-SHA256:AES256-SHA256:AES128-SHA256:AES256-SHA:AES128-SHA:DES-CBC3-SHA:!aNULL:!eNULL:!EXPORT:!DES:!MD5:!PSK:!RC4` |
+| `NGINX_WORKERS` | The number of nginx workers to start. Defaults to `1`. |
+| `NGINX_SERVER_NAMES_HASH_BUCKET_SIZE` | Sets the bucket size for the server names hash tables. This is needed when you have long server_names or your an error message from nginx like *nginx: [emerg] could not build server_names_hash, you should increase server_names_hash_bucket_size:..*. It should be only increment by a power of 2. Defaults to `32`. |
+| `NGINX_HSTS_ENABLED` | Advanced configuration option for turning off the HSTS configuration. Applicable only when SSL is in use. Defaults to `true`. See [#138](https://github.com/sameersbn/docker-gitlab/issues/138) for use case scenario. |
+| `NGINX_HSTS_MAXAGE` | Advanced configuration option for setting the HSTS max-age in the gitlab nginx vHost configuration. Applicable only when SSL is in use. Defaults to `31536000`. |
+| `NGINX_PROXY_BUFFERING` | Enable `proxy_buffering`. Defaults to `off`. |
+| `NGINX_ACCEL_BUFFERING` | Enable `X-Accel-Buffering` header. Default to `no` |
+| `NGINX_X_FORWARDED_PROTO` | Advanced configuration option for the `proxy_set_header X-Forwarded-Proto` setting in the gitlab nginx vHost configuration. Defaults to `https` when `GITLAB_HTTPS` is `true`, else defaults to `$scheme`. |
+| `REDIS_HOST` | The hostname of the redis server. Defaults to `localhost` |
+| `REDIS_PORT` | The connection port of the redis server. Defaults to `6379`. |
+| `REDIS_DB_NUMBER` | The redis database number. Defaults to '0'. |
+| `UNICORN_WORKERS` | The number of unicorn workers to start. Defaults to `3`. |
+| `UNICORN_TIMEOUT` | Sets the timeout of unicorn worker processes. Defaults to `60` seconds. |
+| `SIDEKIQ_CONCURRENCY` | The number of concurrent sidekiq jobs to run. Defaults to `25` |
+| `SIDEKIQ_SHUTDOWN_TIMEOUT` | Timeout for sidekiq shutdown. Defaults to `4` |
+| `SIDEKIQ_MEMORY_KILLER_MAX_RSS` | Non-zero value enables the SidekiqMemoryKiller. Defaults to `1000000`. For additional options refer [Configuring the MemoryKiller](http://doc.gitlab.com/ce/operations/sidekiq_memory_killer.html) |
+| `DB_ADAPTER` | The database type. Possible values: `mysql2`, `postgresql`. Defaults to `postgresql`. |
+| `DB_ENCODING` | The database encoding. For `DB_ADAPTER` values `postresql` and `mysql2`, this parameter defaults to `unicode` and `utf8` respectively. |
+| `DB_HOST` | The database server hostname. Defaults to `localhost`. |
+| `DB_PORT` | The database server port. Defaults to `3306` for mysql and `5432` for postgresql. |
+| `DB_NAME` | The database database name. Defaults to `gitlabhq_production` |
+| `DB_USER` | The database database user. Defaults to `root` |
+| `DB_PASS` | The database database password. Defaults to no password |
+| `DB_POOL` | The database database connection pool count. Defaults to `10`. |
+| `SMTP_ENABLED` | Enable mail delivery via SMTP. Defaults to `true` if `SMTP_USER` is defined, else defaults to `false`. |
+| `SMTP_DOMAIN` | SMTP domain. Defaults to` www.gmail.com` |
+| `SMTP_HOST` | SMTP server host. Defaults to `smtp.gmail.com`. |
+| `SMTP_PORT` | SMTP server port. Defaults to `587`. |
+| `SMTP_USER` | SMTP username. |
+| `SMTP_PASS` | SMTP password. |
+| `SMTP_STARTTLS` | Enable STARTTLS. Defaults to `true`. |
+| `SMTP_TLS` | Enable SSL/TLS. Defaults to `false`. |
+| `SMTP_OPENSSL_VERIFY_MODE` | SMTP openssl verification mode. Accepted values are `none`, `peer`, `client_once` and `fail_if_no_peer_cert`. Defaults to `none`. |
+| `SMTP_AUTHENTICATION` | Specify the SMTP authentication method. Defaults to `login` if `SMTP_USER` is set. |
+| `SMTP_CA_ENABLED` | Enable custom CA certificates for SMTP email configuration. Defaults to `false`. |
+| `SMTP_CA_PATH` | Specify the `ca_path` parameter for SMTP email configuration. Defaults to `/home/git/data/certs`. |
+| `SMTP_CA_FILE` | Specify the `ca_file` parameter for SMTP email configuration. Defaults to `/home/git/data/certs/ca.crt`. |
+| `IMAP_ENABLED` | Enable mail delivery via IMAP. Defaults to `true` if `IMAP_USER` is defined, else defaults to `false`. |
+| `IMAP_HOST` | IMAP server host. Defaults to `imap.gmail.com`. |
+| `IMAP_PORT` | IMAP server port. Defaults to `993`. |
+| `IMAP_USER` | IMAP username. |
+| `IMAP_PASS` | IMAP password. |
+| `IMAP_SSL` | Enable SSL. Defaults to `true`. |
+| `IMAP_STARTTLS` | Enable STARTSSL. Defaults to `false`. |
+| `IMAP_MAILBOX` | The name of the mailbox where incoming mail will end up. Defaults to `inbox`. |
+| `LDAP_ENABLED` | Enable LDAP. Defaults to `false` |
+| `LDAP_LABEL` | Label to show on login tab for LDAP server. Defaults to 'LDAP' |
+| `LDAP_HOST` | LDAP Host |
+| `LDAP_PORT` | LDAP Port. Defaults to `389` |
+| `LDAP_UID` | LDAP UID. Defaults to `sAMAccountName` |
+| `LDAP_METHOD` | LDAP method, Possible values are `ssl`, `tls` and `plain`. Defaults to `plain` |
+| `LDAP_BIND_DN` | No default. |
+| `LDAP_PASS` | LDAP password |
+| `LDAP_TIMEOUT` | Timeout, in seconds, for LDAP queries. Defaults to `10`. |
+| `LDAP_ACTIVE_DIRECTORY` | Specifies if LDAP server is Active Directory LDAP server. If your LDAP server is not AD, set this to `false`. Defaults to `true`, |
+| `LDAP_ALLOW_USERNAME_OR_EMAIL_LOGIN` | If enabled, GitLab will ignore everything after the first '@' in the LDAP username submitted by the user on login. Defaults to `false` if `LDAP_UID` is `userPrincipalName`, else `true`. |
+| `LDAP_BLOCK_AUTO_CREATED_USERS` | Locks down those users until they have been cleared by the admin. Defaults to `false`. |
+| `LDAP_BASE` | Base where we can search for users. No default. |
+| `LDAP_USER_FILTER` | Filter LDAP users. No default. |
+| `OAUTH_ENABLED` | Enable OAuth support. Defaults to `true` if any of the support OAuth providers is configured, else defaults to `false`. |
+| `OAUTH_AUTO_SIGN_IN_WITH_PROVIDER` | Automatically sign in with a specific OAuth provider without showing GitLab sign-in page. Accepted values are `cas3`, `github`, `bitbucket`, `gitlab`, `google_oauth2`, `facebook`, `twitter`, `saml`, `crowd`, `auth0` and `azure_oauth2`. No default. |
+| `OAUTH_ALLOW_SSO` | Comma separated list of oauth providers for single sign-on. This allows users to login without having a user account. The account is created automatically when authentication is successful. Accepted values are `cas3`, `github`, `bitbucket`, `gitlab`, `google_oauth2`, `facebook`, `twitter`, `saml`, `crowd`, `auth0` and `azure_oauth2`. No default. |
+| `OAUTH_BLOCK_AUTO_CREATED_USERS` | Locks down those users until they have been cleared by the admin. Defaults to `true`. |
+| `OAUTH_AUTO_LINK_LDAP_USER` | Look up new users in LDAP servers. If a match is found (same uid), automatically link the omniauth identity with the LDAP account. Defaults to `false`. |
+| `OAUTH_AUTO_LINK_SAML_USER` | Allow users with existing accounts to login and auto link their account via SAML login, without having to do a manual login first and manually add SAML. Defaults to `false`. |
+| `OAUTH_EXTERNAL_PROVIDERS` | Comma separated list if oauth providers to disallow access to `internal` projects. Users creating accounts via these providers will have access internal projects. Accepted values are `cas3`, `github`, `bitbucket`, `gitlab`, `google_oauth2`, `facebook`, `twitter`, `saml`, `crowd`, `auth0` and `azure_oauth2`. No default. |
+| `OAUTH_CAS3_LABEL` | The "Sign in with" button label. Defaults to "cas3". |
+| `OAUTH_CAS3_SERVER` | CAS3 server URL. No defaults. |
+| `OAUTH_CAS3_DISABLE_SSL_VERIFICATION` | Disable CAS3 SSL verification. Defaults to `false`. |
+| `OAUTH_CAS3_LOGIN_URL` | CAS3 login URL. Defaults to `/cas/login` |
+| `OAUTH_CAS3_VALIDATE_URL` | CAS3 validation URL. Defaults to `/cas/p3/serviceValidate` |
+| `OAUTH_CAS3_LOGOUT_URL` | CAS3 logout URL. Defaults to `/cas/logout` |
+| `OAUTH_GOOGLE_API_KEY` | Google App Client ID. No defaults. |
+| `OAUTH_GOOGLE_APP_SECRET` | Google App Client Secret. No defaults. |
+| `OAUTH_GOOGLE_RESTRICT_DOMAIN` | Google App restricted domain. No defaults. |
+| `OAUTH_FACEBOOK_API_KEY` | Facebook App API key. No defaults. |
+| `OAUTH_FACEBOOK_APP_SECRET` | Facebook App API secret. No defaults. |
+| `OAUTH_TWITTER_API_KEY` | Twitter App API key. No defaults. |
+| `OAUTH_TWITTER_APP_SECRET` | Twitter App API secret. No defaults. |
+| `OAUTH_GITHUB_API_KEY` | GitHub App Client ID. No defaults. |
+| `OAUTH_GITHUB_APP_SECRET` | GitHub App Client secret. No defaults. |
+| `OAUTH_GITHUB_URL` | Url to the GitHub Enterprise server. Defaults to https://github.com |
+| `OAUTH_GITHUB_VERIFY_SSL` | Enable SSL verification while communicating with the GitHub server. Defaults to `true`. |
+| `OAUTH_GITLAB_API_KEY` | GitLab App Client ID. No defaults. |
+| `OAUTH_GITLAB_APP_SECRET` | GitLab App Client secret. No defaults. |
+| `OAUTH_BITBUCKET_API_KEY` | BitBucket App Client ID. No defaults. |
+| `OAUTH_BITBUCKET_APP_SECRET` | BitBucket App Client secret. No defaults. |
+| `OAUTH_SAML_ASSERTION_CONSUMER_SERVICE_URL` | The URL at which the SAML assertion should be received. When `GITLAB_HTTPS=true`, defaults to `https://${GITLAB_HOST}/users/auth/saml/callback` else defaults to `http://${GITLAB_HOST}/users/auth/saml/callback`. |
+| `OAUTH_SAML_IDP_CERT_FINGERPRINT` | The SHA1 fingerprint of the certificate. No Defaults. |
+| `OAUTH_SAML_IDP_SSO_TARGET_URL` | The URL to which the authentication request should be sent. No defaults. |
+| `OAUTH_SAML_ISSUER` | The name of your application. When `GITLAB_HTTPS=true`, defaults to `https://${GITLAB_HOST}` else defaults to `http://${GITLAB_HOST}`. |
+| `OAUTH_SAML_LABEL` | The "Sign in with" button label. Defaults to "Our SAML Provider". |
+| `OAUTH_SAML_NAME_IDENTIFIER_FORMAT` | Describes the format of the username required by GitLab, Defaults to `urn:oasis:names:tc:SAML:2.0:nameid-format:transient` |
+| `OAUTH_SAML_GROUPS_ATTRIBUTE` | Map groups attribute in a SAMLResponse to external groups. No defaults. |
+| `OAUTH_SAML_EXTERNAL_GROUPS` | List of external groups in a SAMLResponse. Value is comma separated list of single quoted groups. Example: `'group1','group2'`. No defaults. |
+| `OAUTH_SAML_ATTRIBUTE_STATEMENTS_EMAIL` | Map 'email' attribute name in a SAMLResponse to entries in the OmniAuth info hash, No defaults. See [GitLab documentation](http://doc.gitlab.com/ce/integration/saml.html#attribute_statements) for more details. |
+| `OAUTH_SAML_ATTRIBUTE_STATEMENTS_NAME` | Map 'name' attribute in a SAMLResponse to entries in the OmniAuth info hash, No defaults. See [GitLab documentation](http://doc.gitlab.com/ce/integration/saml.html#attribute_statements) for more details. |
+| `OAUTH_SAML_ATTRIBUTE_STATEMENTS_FIRST_NAME` | Map 'first_name' attribute in a SAMLResponse to entries in the OmniAuth info hash, No defaults. See [GitLab documentation](http://doc.gitlab.com/ce/integration/saml.html#attribute_statements) for more details. |
+| `OAUTH_SAML_ATTRIBUTE_STATEMENTS_LAST_NAME` | Map 'last_name' attribute in a SAMLResponse to entries in the OmniAuth info hash, No defaults. See [GitLab documentation](http://doc.gitlab.com/ce/integration/saml.html#attribute_statements) for more details. |
+| `OAUTH_CROWD_SERVER_URL` | Crowd server url. No defaults. |
+| `OAUTH_CROWD_APP_NAME` | Crowd server application name. No defaults. |
+| `OAUTH_CROWD_APP_PASSWORD` | Crowd server application password. No defaults. |
+| `OAUTH_AUTH0_CLIENT_ID` | Auth0 Client ID. No defaults. |
+| `OAUTH_AUTH0_CLIENT_SECRET` | Auth0 Client secret. No defaults. |
+| `OAUTH_AUTH0_DOMAIN` | Auth0 Domain. No defaults. |
+| `OAUTH_AZURE_API_KEY` | Azure Client ID. No defaults. |
+| `OAUTH_AZURE_API_SECRET` | Azure Client secret. No defaults. |
+| `OAUTH_AZURE_TENANT_ID` | Azure Tenant ID. No defaults. |
+| `GITLAB_GRAVATAR_ENABLED` | Enables gravatar integration. Defaults to `true`. |
+| `GITLAB_GRAVATAR_HTTP_URL` | Sets a custom gravatar url. Defaults to `http://www.gravatar.com/avatar/%{hash}?s=%{size}&d=identicon`. This can be used for [Libravatar integration](http://doc.gitlab.com/ce/customization/libravatar.html). |
+| `GITLAB_GRAVATAR_HTTPS_URL` | Same as above, but for https. Defaults to `https://secure.gravatar.com/avatar/%{hash}?s=%{size}&d=identicon`. |
+| `USERMAP_UID` | Sets the uid for user `git` to the specified uid. Defaults to `1000`. |
+| `USERMAP_GID` | Sets the gid for group `git` to the specified gid. Defaults to `USERMAP_UID` if defined, else defaults to `1000`. |
+| `GOOGLE_ANALYTICS_ID` | Google Analytics ID. No defaults. |
+| `PIWIK_URL` | Sets the Piwik URL. No defaults. |
+| `PIWIK_SITE_ID` | Sets the Piwik site ID. No defaults. |
+| `AWS_BACKUPS` | Enables automatic uploads to an Amazon S3 instance. Defaults to `false`. |
+| `AWS_BACKUP_REGION` | AWS region. No defaults. |
+| `AWS_BACKUP_ACCESS_KEY_ID` | AWS access key id. No defaults. |
+| `AWS_BACKUP_SECRET_ACCESS_KEY` | AWS secret access key. No defaults. |
+| `AWS_BACKUP_BUCKET` | AWS bucket for backup uploads. No defaults. |
+| `AWS_BACKUP_MULTIPART_CHUNK_SIZE` | Enables mulitpart uploads when file size reaches a defined size. See at [AWS S3 Docs](http://docs.aws.amazon.com/AmazonS3/latest/dev/uploadobjusingmpu.html) |
+| `GITLAB_ROBOTS_PATH` | Location of custom `robots.txt`. Uses GitLab's default `robots.txt` configuration by default. See [www.robotstxt.org](http://www.robotstxt.org) for examples. |
+| `RACK_ATTACK_ENABLED` | Enable/disable rack middleware for blocking & throttling abusive requests Defaults to `true`. |
+| `RACK_ATTACK_WHITELIST` | Always allow requests from whitelisted host. Defaults to `127.0.0.1` |
+| `RACK_ATTACK_MAXRETRY` | Number of failed auth attempts before which an IP should be banned. Defaults to `10` |
+| `RACK_ATTACK_FINDTIME` | Number of seconds before resetting the per IP auth attempt counter. Defaults to `60`. |
+| `RACK_ATTACK_BANTIME` | Number of seconds an IP should be banned after too many auth attempts. Defaults to `3600`. |
+| `GITLAB_WORKHORSE_TIMEOUT` | Timeout for gitlab workhorse http proxy. Defaults to `5m0s`. |
 
 # Maintenance