docker-compose.yml

version: '3.8'

networks:
  pj-network:
    driver: bridge

services:
  web:
    build: .
    # sleep until Postgres is up, run migration, start django development server
    command: >
      bash -c "while !</dev/tcp/db/5432; do sleep 1; done;
      python manage.py migrate;
      python manage.py runserver 0.0.0.0:8000"
    volumes:
      - ".:/app/"
    ports:
      - "8000:8000"
    env_file:
      - .env
    environment:
      - DB_HOST=db
    depends_on:
      - db
    networks:
      - pj-network

  db:
    image: postgres:15-alpine
    volumes:
      - postgres_data:/var/lib/postgresql/data/
    environment:
      - POSTGRES_USER=postgres
      - POSTGRES_PASSWORD=postgres
      - POSTGRES_DB=pythonjunior
    ports:
      - "5432:5432"
    healthcheck:
      test: [ "CMD-SHELL", "pg_isready -U postgres" ]
      interval: 10s
      timeout: 5s
      retries: 3
    networks:
      - pj-network

volumes:
  postgres_data: