gitpod/contrib/docker/examples/gitpod-3-nodes

Gitpod running in k3s Docker container with 3 nodes

This examples illustrates how to use the gitpod-k3s Docker images with 3 nodes (1 master node, 2 worker nodes). Add MinIO secrets in values/minio-secrets.yaml, your domain in a .env file, your HTTPS certs, and run docker-compose up.

How to add additional nodes on a different server

1. Expose the k3s port 6443 of the main node (gitpod service) in the docker-compose.yaml file.
2. Add external IP address of your server that runs the main node as external address in the docker-compose.yaml file by adding these arguments to the command line of the gitpod service: --node-external-ip 10.0.0.75 --tls-san 10.0.0.75 (replace external server IP accordingly).
3. On the second server create the following files:
   1. Copy node-entrypoint.sh.
   2. Create docker-compose.yaml:

      version: '3'
      services:
        node3:
          image: rancher/k3s:v1.20.0-k3s2
          privileged: true
          volumes:
            - gitpod-workspaces-node3:/var/gitpod/workspaces
            - ./node-entrypoint.sh:/entrypoint
          environment:
            - DOMAIN=${DOMAIN}
            - K3S_URL=https://<host-of-k3s-main-node>:6443
            - K3S_CLUSTER_SECRET=qWo6sn3VWERh3dBBQniPLTqtZzEHURsriJNhTqus
            - K3S_NODE_NAME=node3
          entrypoint: /entrypoint
      volumes:
        gitpod-workspaces-node3:
      

4. Run docker-compose up on both machines.