docker-compose.yml

version: '2'
services:
    web:
        build: .
        command: python manage.py run -h 0.0.0.0 -p 3000
        ports:
            - 3000:3000
        env_file: .env
        restart: always
        volumes: 
            - ./:/home/app
        depends_on: 
            - "db"
    
    redis:
        image: "redis:alpine"
    
    db:
        image: "postgres:12-alpine"
        volumes: 
            - postgres_data:/var/lib/postgresql/data/
        environment: 
            - POSTGRES_USER=hello_flask
            - POSTGRES_PASSWORD=hello_flask
            - POSTGRES_DB=hello_flask_dev

    worker:
        build:
            context: .
            args:
                - "FLASK_ENV=development"
        command: celery worker -l info -A server.celery --pool=threads --max-tasks-per-child=1 --max-memory-per-child=1024 --autoscale=10,3
        depends_on: 
            - "redis"
            - "web"
        env_file: 
            - ".env"


volumes:
    redis: {}
    postgres_data: