compose.yml

version: '3'
services:
  db:
    image: postgres:15
    environment:
      POSTGRES_DB: ${POSTGRES_DB}
      POSTGRES_USER: ${POSTGRES_USER}
      POSTGRES_PASSWORD: ${POSTGRES_PASSWORD}
    ports:
      - "5432:5432"
    restart: always

  backend:
    build:
      context: backend
      dockerfile: Dockerfile
    command: flask run
    stop_signal: SIGINT
    environment:
      DATABASE_URL: postgresql://${POSTGRES_USER}:${POSTGRES_PASSWORD}@db:5432/${POSTGRES_DB}
      CELERY_BROKER_URL: redis://redis:6379/0
      CELERY_RESULT_BACKEND: redis://redis:6379/0
      CELERY_TASK_SERIALIZER: ${CELERY_TASK_SERIALIZER}
      CELERY_RESULT_SERIALIZER: ${CELERY_RESULT_SERIALIZER}
      CELERY_ACCEPT_CONTENT: ${CELERY_ACCEPT_CONTENT}
    restart: always
    volumes:
      - type: bind
        source: ./backend
        target: /app
    depends_on:
      - db
      - redis

  proxy:
    image: nginx:alpine
    volumes:
      - type: bind
        source: ./proxy/nginx.conf
        target: /etc/nginx/conf.d/default.conf
        read_only: true
    ports:
      - "80:80"
    depends_on:
      - backend

  redis:
    image: redis:alpine
    ports:
      - "6379:6379"
    restart: always

  celery-worker:
    build:
      context: backend
      dockerfile: Dockerfile
    command: celery -A app worker --loglevel=info
    environment:
      DATABASE_URL: postgresql://${POSTGRES_USER}:${POSTGRES_PASSWORD}@db:5432/${POSTGRES_DB}
      CELERY_BROKER_URL: redis://redis:6379/0
      CELERY_RESULT_BACKEND: redis://redis:6379/0
      CELERY_TASK_SERIALIZER: ${CELERY_TASK_SERIALIZER}
      CELERY_RESULT_SERIALIZER: ${CELERY_RESULT_SERIALIZER}
      CELERY_ACCEPT_CONTENT: ${CELERY_ACCEPT_CONTENT}
      C_FORCE_ROOT: true
    volumes:
      - type: bind
        source: ./backend
        target: /app
    depends_on:
      - db
      - redis

  celery-flower:
    build:
      context: backend
      dockerfile: Dockerfile
    command:
      - 'celery'
      - '-A'
      - 'app'
      - 'flower'
      - '--broker=redis://redis:6379/0'
      - '--port=5555'
      - '--persistent=True'
      - '--db=/data/flower'
      - '--url_prefix=flower'
    expose:
      - 5555
    environment:
      DATABASE_URL: sqlite:// # ?! WTF? Why do I need this?
      CELERY_BROKER_URL: redis://redis:6379/0
      CELERY_RESULT_BACKEND: redis://redis:6379/0
      CELERY_TASK_SERIALIZER: ${CELERY_TASK_SERIALIZER}
      CELERY_RESULT_SERIALIZER: ${CELERY_RESULT_SERIALIZER}
      CELERY_ACCEPT_CONTENT: ${CELERY_ACCEPT_CONTENT}
    depends_on:
      - redis
      - celery-worker
    volumes:
      - flower_data:/data
      - ./backend/app/config.py:/app/config.py
volumes:
  flower_data: