docker-compose.yml

version: "3.7"
            
services:
  postgres:
    container_name: postgres
    image: postgres
    environment:
      POSTGRES_USER: ${DB_USER:-postgres}
      POSTGRES_PASSWORD: ${DB_PASSWORD:-password}
    ports:
      - ${DB_PORT:-5432:5432}
    volumes:
      - postgres-db:/var/lib/postgresql/data

  express-api:
    container_name: express-api
    build:
      context: ./api
    environment:
      DB_SCHEMA: postgres
      DB_USER: ${DB_USER:-postgres}
      DB_PASSWORD: ${DB_PASSWORD}
      DB_HOST: postgres
    depends_on:
      - postgres
    ports:
      - "5000:5000"
    volumes:
      - ./api:/api
      - /api/node_modules

  react-ui:
    container_name: react-ui
    stdin_open: true
    build:
      context: ./client
    environment:
        CHOKIDAR_USEPOLLING: "true"
    ports:
      - "3000:3000"
    volumes:
      - ./client:/client
      - /client/node_modules

volumes:
  postgres-db:
# docker-compose run express-api npm run migrate (run migrations within container to build image, create persistent data volume and create table)
# docker-compose up