Example docker file with postgres sql service, mail server (mailhog) and redis

docker-compose.yml

version: "1"
services:
  example-db:
    image: postgres:12
    ports:
      - "35432:5432"
    volumes:
      - /docker/postgres/:/docker-entrypoint-initdb.d
    container_name: docker-example
    environment:
      - "POSTGRES_USER=postgres"
      - "POSTGRES_PASSWORD=postgres"
      - "TZ:Asia/Tokyo"
      - "spring.profiles.active:docker"
  smtp:
    image: mailhog/mailhog
    container_name: 'mailhog'
    ports:
      - "1025:1025"
      - "8025:8025"
    restart: always