akkoma/docker-compose.yml

services:
  db:
    image: postgres:16-alpine
    shm_size: 4gb
    restart: unless-stopped
    environment: {
      # This might seem insecure but is usually not a problem.
      # You should leave this at the "akkoma" default.
      # The DB is only reachable by containers in the same docker network,
      # and is not exposed to the open internet.
      #
      # If you do change this, remember to update "config.exs".
      POSTGRES_DB: akkoma,
      POSTGRES_USER: akkoma,
      POSTGRES_PASSWORD: akkoma,
    }
    volumes:
      - type: bind
        source: ./pgdata
        target: /var/lib/postgresql/data

  akkoma:
    image: akkoma/akkoma:next
    restart: unless-stopped
    links:
      - db
    ports: [
      # Uncomment/Change port mappings below as needed.
      # The left side is your host machine, the right one is the akkoma container.
      # You can prefix the left side with an ip.

      # Webserver (for reverse-proxies outside of docker)
      # If you use a dockerized proxy, you can leave this commented
      # and use a container link instead.
      "127.0.0.1:4000:4000",
    ]
    volumes:
      - ./config/prod.secret.exs:/etc/akkoma/config.exs
      - ./uploads:/opt/akkoma/uploads
      - ./instance:/opt/akkoma/instance

  # Copy this into docker-compose.override.yml and uncomment there if you want to use a reverse proxy
  #proxy:
  #  image: caddy:2-alpine
  #  restart: unless-stopped
  #  links:
  #    - akkoma
  #  ports: [
  #     "443:443",
  #     "80:80"
  #  ]
  #  volumes:
  #    - ./docker-resources/Caddyfile:/etc/caddy/Caddyfile
  #    - ./caddy-data:/data
  #    - ./caddy-config:/config