docker-compose.yml

version: '3'
volumes: 
    postgres_data:
services: 
    db:
        image: postgres:12.0-alpine
        volumes: 
            - postgres_data:/var/lib/postgresql/data/
        env_file: 
            - .env.dev
        environment: 
            - POSTGRES_DB=dna_tree
            - POSTGRES_USER=lakshan
            - POSTGRES_PASSWORD=lakshan
        ports: 
            - 5432:5432
    python: &python
        build: 
            context: .
            dockerfile: Dockerfile
        ports: 
            - 8000:8000
        env_file: 
            - .env.dev
        command: python manage.py runserver 0.0.0.0:8000            
        depends_on: 
            - db
            - rabbitmq
            - celery_worker
    # messaging queue for celery
    rabbitmq:
        image: rabbitmq:3.7-alpine
    celery_worker:
        <<: *python
        env_file: 
            - .env.dev
        command: celery -A app --concurrency=1 worker -l info
        ports: []

        depends_on: 
            - db
            - rabbitmq