docker-compose.yml

version: "3.4"

services:
  db:
    image: library/postgres:13-alpine
    container_name: zero-downtime-postgres
    ports:
      - 5432:5432
    restart: unless-stopped
    volumes:
      - zero-downtime-db:/var/lib/postgresql/data
    environment:
      - POSTGRES_USER=demo
      - POSTGRES_PASSWORD=demo

  pgadmin:
      image: dpage/pgadmin4
      container_name: zero-downtime-pgadmin
      depends_on:
        - db
      ports:
        - "5051:80"
      environment:
        PGADMIN_DEFAULT_EMAIL: pgadmin@example.com
        PGADMIN_DEFAULT_PASSWORD: root
      restart: always

  redis:
    image: library/redis:5.0-alpine
    ports:
      - 6379:6379
    volumes:
      -  zero-downtime:/data

volumes:
  zero-downtime-db:
    driver: local
  zero-downtime:
    driver: local