docker-compose.yml

version: '2.1'
services:
  persons_db:
    container_name: persons_db
    restart: always
    image: postgres:9.2
    environment:
      - POSTGRES_USER=postgres
      - POSTGRES_PASSWORD=postgres
      - POSTGRES_DB=persons
    ports:
      - "5433:5432"
    healthcheck:
      test: ["CMD-SHELL", "pg_isready -U postgres"]
      interval: 5s
      timeout: 20s
      retries: 4