larra/.devcontainer/docker-compose.yml

services:
  devcontainer:
    build:
      context: .
      dockerfile: Dockerfile

    # Required for ptrace-based debuggers like C++, Go, and Rust
    cap_add:
    - SYS_PTRACE
    security_opt:
    - seccomp:unconfined

    volumes:
      - ../..:/workspaces/:cached
      - /var/run/docker.sock:/var/run/docker.sock:ro
    network_mode: service:ejabberd_server # To access ejabberd inside a devcontainer
    command: sleep infinity # To keep container alive
    depends_on:
      - ejabberd_server

  ejabberd_server:
    image: ghcr.io/processone/ejabberd
    container_name: ejabberd
    #
    # For some reasons below environment variables doesn't work inside vs code dev container
    # Please, use devcontainer.json 'postStartCommand' for configuring ejabberd_server
    #
    environment:
      - CTL_ON_CREATE=register admin localhost "admin" ; 
                      register test1 localhost "test1"
      - CTL_ON_START=registered_users localhost ;
                     status
    ports:
      - "5222:5222"
      - "5269:5269"
      - "5280:5280"
      - "5443:5443"
    volumes:
      - ./ejabberd.yml:/opt/ejabberd/conf/ejabberd.yml:ro