version: '3.5'

services:
  db:
    build: dbDocker
    ports:
      - "5432:5432"
    volumes:
      - postgres:/var/lib/postgresql/data
    environment:
      - POSTGRES_USER=${POSTGRES_USER}
      - POSTGRES_PASSWORD=${POSTGRES_PASSWORD}
      - POSTGRES_DB=${POSTGRES_DB}
volumes:
  postgres: