stack.yml

version: '3'

services:
  web:
    image: fmer/docker-rails-example:latest
    environment:
      DATABASE_URL: mysql2://root:example@mysql/example_application
      REDIS_URL: redis://redis:6379/1
      SECRET_KEY_BASE: >
        f1e691c4fb158fcc8fca8256685cb9b8de22b1922e582ff563da88a2789e29706968f042
        f7959dfa5fdff9415b8fefb70fc7000ee3c640a7c8930612709f7174
    ports:
      - 3000:3000
    healthcheck:
      test: ["CMD", "wget", "-qO-", "http://localhost:3000/health"]
      interval: 30s
      timeout: 30s
      retries: 3
    deploy:
      restart_policy:
        condition: on-failure
        delay: 5s
        max_attempts: 3
        window: 120s
  mysql:
    image: mysql:8
    environment:
      MYSQL_ROOT_PASSWORD: example
  redis:
    image: redis:4