Add more information on importing repositories

README.md

@@ -58,6 +58,7 @@
     - [Automated Backups](#automated-backups)
     - [Amazon Web Services (AWS) Remote Backups](#amazon-web-services-aws-remote-backups)
     - [Rake Tasks](#rake-tasks)
+    - [Import Repositories](#import-repositories)
     - [Upgrading](#upgrading)
     - [Shell Access](#shell-access)
 - [References](#references)
@@ -1019,6 +1020,26 @@ For a complete list of available rake tasks please refer https://github.com/gitl
 
 *P.S. Please avoid running the rake tasks for backup and restore operations on a running gitlab instance.*
 
+## Import Repositories
+
+By default the `docker-compose.yml` places GitLab repos in `/srv/docker/gitlab/gitlab/repositories` on the host, they are in `/home/git/data` inside the container.
+Copy all the **bare** repos (by rsync or scp, rsync is faster) to that folder on the host so that they are visible inside the container.
+Before you run the next command, make sure the DB container (`postgresql` by default) and the `redis` container are running. The easiest way is to start all the containers with `docker-compose up -d` and then stop the GitLab container.
+
+To import all the repositories into GitLab execute this `rake` command in a terminal.
+```
+docker run --name gitlab -it --rm \
+    --link redis:NAME_OF_REDIS_CONTAINER \
+    --link postgresql:NAME_OF_POSTGRES_CONTAINER \
+    --e "GITLAB_SECRETS_DB_KEY_BASE=dslkjfskjdfwlekjflskdjflskdjfalskdhflaksdjagjdl"
+    -v "/srv/docker/gitlab/gitlab:/home/git/data"
+    [OTHER OPTIONS] \
+    sameersbn/gitlab:8.4.3 app:rake gitlab:import:repos
+```
+Watch the logs and your repos should be available into your new gitlab container.
+Most commands can be executed with `rake`.
+See [Rake Tasks](#rake-tasks)
+
 ## Upgrading
 
 GitLabHQ releases new versions on the 22nd of every month, bugfix releases immediately follow. I update this project almost immediately when a release is made (at least it has been the case so far). If you are using the image in production environments I recommend that you delay updates by a couple of days after the gitlab release, allowing some time for the dust to settle down.