ex_trainer/docker-compose.yml

---
services:
  db:
    image: 'postgres:16.4-alpine'
    hostname: &db_host db
    init: true
    environment:
      POSTGRES_USER: &db_user postgres
      POSTGRES_PASSWORD: &db_pass postgres
      POSTGRES_DB: &db_name postgres
    volumes:
      - './priv/docker/postgres/init.sql:/docker-entrypoint-initdb.d/init.sql'
      - 'db_data:/var/lib/postgresql/data'
    restart: unless-stopped
  app:
    image: &app_image 'joaodubas/ex_trainer:${EX_TRAINER_TAG:-dev}'
    build:
      target: builder
      context: .
      args:
        BUILD_MIX_ENV: dev
    hostname: app
    depends_on:
      - db
    init: true
    develop:
      watch:
        - path: ./
          ignore:
            - ./build/
            - ./deps/
          target: /opt/app
          action: sync
        - path: ./config/
          target: /opt/app
          action: sync+restart
        - path: ./lib/wabanex/application.ex
          target: /opt/app
          action: sync+restart
        - path: ./mix.exs
          target: /opt/app
          action: sync+restart
        - path: ./mix.lock
          action: rebuild
    environment: &app_environment
      DNS_CLUSTER_QUERY: *app_host
      POSTGRES_HOST: *db_host
      POSTGRES_USER: *db_user
      POSTGRES_PASS: *db_pass
      POSTGRES_NAME: wabanex_dev
    working_dir: /opt/app
    restart: unless-stopped
    scale: 2
    entrypoint: sleep
    command: infinity
  db_setup:
    image: *app_image
    depends_on:
      - db
    profiles:
      - setup
    environment: *app_environment
    restart: 'no'
    command: |
      mix ecto.setup \
      && MIX_ENV=test mix ecto.setup
  db_migrate:
    image: *app_image
    depends_on:
      - db
    profiles:
      - migrate
    environment: *app_environment
    restart: 'no'
    command: |
      mix ecto.migrate \
      && MIX_ENV=test mix.ecto.migrate

volumes:
  db_data: {}