services:
  db:
    build: ./db
    volumes:
      - pgdata:/var/lib/postgresql/data
    environment:
      POSTGRES_USER: ${POSTGRES_USER}
      POSTGRES_PASSWORD: ${POSTGRES_PASSWORD}
      POSTGRES_DB: ${POSTGRES_DB}
    networks:
      - internal
    restart: unless-stopped
    healthcheck:
      test: ["CMD-SHELL", "pg_isready -U ${POSTGRES_USER}"]
      interval: 5s
      timeout: 5s
      retries: 5

  app:
    build: .
    ports:
      - "${PORT:-4000}:${PORT:-4000}"
    environment:
      DATABASE_URL: "ecto://${POSTGRES_USER}:${POSTGRES_PASSWORD}@db/${POSTGRES_DB}"
      SECRET_KEY_BASE: ${SECRET_KEY_BASE}
      PHX_HOST: ${PHX_HOST}
      PORT: ${PORT:-4000}
    depends_on:
      db:
        condition: service_healthy
    networks:
      - internal
    restart: unless-stopped

volumes:
  pgdata:

networks:
  internal:
    driver: bridge