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compose-scaler Visits

Start and stop (delete) docker compose projects on demand through traefik. Heavily inspired by sablier.

Getting started

  • Clone the repository
  • Build the container
  • Add to your static traefik config:
experimental:
  localPlugins:
    compose_scaler:
      moduleName: "github.com/t348575/compose-scaler"
  • Mount the repo path to the traefik container:
- /path/to/repo/compose-scaler:/plugins-local/src/github.com/t348575/compose-scaler
  • Sample docker compose config:
version: '3'
services:
  compose-scaler:
    container_name: compose-scaler
    image: compose-scaler
    # port to listen on, config file path
    command: ["-a", "0.0.0.0:10000", "-c", "/config.yaml"]
    volumes:
    # uses docker socket to get container health / status
      - /var/run/docker.sock:/var/run/docker.sock
    # path to public & private key for ssh-ing back to host
      - /home/my_user/.ssh/compose_scaler_key.pub:/compose_scaler_key.pub:ro
      - /home/my_user/.ssh/compose_scaler_key:/compose_scaler_key:ro
    # compose-scaler config file
      - ./compose-scaler.yaml:/config.yaml:ro
  • Sample compose-scaler config:
ssh_host: my_host:22
ssh_username: my_user
projects_dir: /path/on/host/to/compose/projects
public_key: /compose_scaler_key.pub
private_key: /compose_scaler_key
initial_projects:
  - gitea
  - dockge
  - obsidian-zola
  - obsidian-livesync
  - overleaf
  - any_other_project
  • Expected compose projects directory structure:
├── my_project_dir
│   ├── gitea
|   |   ├── docker-compose.yaml
│   ├── dockge
|   |   ├── docker-compose.yaml
│   ├── overleaf
|   |   ├── anything_inside
  • Sample traefik middleware config:
http:
  middlewares:
    dockge_cs:
      plugin:
        compose_scaler:
          name: dockge # this must match the folder name inside your compose projects directory
          displayName: Dockge # displayed on the waiting page
          refreshFrequency: 5s # how often to refresh status, etc.
          theme: ghost # theme for waiting page
          composeScalerUrl: http://compose-scaler:10000 # compose-scaler uri
          sessionDuration: 5m # time before running docker compose down
          # if required, pass a path to a custom docker compose, eg. overleaf uses one
          # the default is "docker compose"
          customCommand: bin/docker-compose