docker-compose.yml

version: "3.3"

services:
  docker_postgresql:
    image: postgres:11
    container_name: docker_postgresql
    environment:
      POSTGRES_USER: "postgres_user"
      POSTGRES_PASSWORD: "postgres_password"
      POSTGRES_DB: "postgres_db"
    networks:
      - docker_network

  docker_user_code:
    build:
      context: .
      dockerfile: ./Dockerfile_user_code
    container_name: docker_user_code
    image: docker_user_code_image
    restart: always
    environment:
      DAGSTER_POSTGRES_USER: "postgres_user"
      DAGSTER_POSTGRES_PASSWORD: "postgres_password"
      DAGSTER_POSTGRES_DB: "postgres_db"
      DAGSTER_CURRENT_IMAGE: "docker_user_code_image"
    networks:
      - docker_network

  docker_dagit:
    build:
      context: .
      dockerfile: ./Dockerfile_dagster
    entrypoint:
      - dagit
      - -h
      - "0.0.0.0"
      - -p
      - "5555"
      - -w
      - workspace.yaml
    container_name: docker_dagit
    expose:
      - "5555"
    ports:
      - "5555:5555"
    environment:
      DAGSTER_POSTGRES_USER: "postgres_user"
      DAGSTER_POSTGRES_PASSWORD: "postgres_password"
      DAGSTER_POSTGRES_DB: "postgres_db"
    volumes: # Make docker client accessible so we can terminate containers from dagit
      - /var/run/docker.sock:/var/run/docker.sock
    networks:
      - docker_network
    depends_on:
      - docker_postgresql
      - docker_user_code

  docker_daemon:
    build:
      context: .
      dockerfile: ./Dockerfile_dagster
    entrypoint:
      - dagster-daemon
      - run
    container_name: docker_daemon
    restart: on-failure
    environment:
      DAGSTER_POSTGRES_USER: "postgres_user"
      DAGSTER_POSTGRES_PASSWORD: "postgres_password"
      DAGSTER_POSTGRES_DB: "postgres_db"
    volumes: # Make docker client accessible so we can launch containers using host docker
      - /var/run/docker.sock:/var/run/docker.sock
    networks:
      - docker_network
    depends_on:
      - docker_postgresql
      - docker_user_code

networks:
  docker_network:
    driver: bridge