docker compose health check example

gistfile1.txt

version: '2.1'
services:
  php:
    tty: true
    build:
      context: .
      dockerfile: tests/Docker/Dockerfile-PHP
      args:
        version: cli
    volumes:
      - ./src:/var/www/src
      - ./tests:/var/www/tests
      - ./build:/var/www/build
      - ./phpunit.xml.dist:/var/www/phpunit.xml.dist
    depends_on:
      couchbase:
        condition: service_healthy
      memcached:
        condition: service_started
      mysql:
        condition: service_healthy
      postgresql:
        condition: service_healthy
      redis:
        condition: service_healthy
  couchbase:
    build:
      context: .
      dockerfile: tests/Docker/Dockerfile-Couchbase
    healthcheck:
      test: ["CMD", "curl", "-f", "http://Administrator:password@localhost:8091/pools/default/buckets/default"]
      interval: 1s
      timeout: 3s
      retries: 60
  memcached:
    image: memcached
    # not sure how to properly healthcheck
  mysql:
    image: mysql
    environment:
      - MYSQL_ALLOW_EMPTY_PASSWORD=yes
      - MYSQL_ROOT_PASSWORD=
      - MYSQL_DATABASE=cache
    healthcheck:
      test: ["CMD", "mysql" ,"-h", "mysql", "-P", "3306", "-u", "root", "-e", "SELECT 1", "cache"]
      interval: 1s
      timeout: 3s
      retries: 30
  postgresql:
    image: postgres
    environment:
      - POSTGRES_PASSWORD=
      - POSTGRES_DB=cache
    healthcheck:
      test: ["CMD", "pg_isready"]
      interval: 1s
      timeout: 3s
      retries: 30
  redis:
    image: redis
    healthcheck:
      test: ["CMD", "redis-cli", "ping"]
      interval: 1s
      timeout: 3s
      retries: 30

We're literally working with docker health checks, it's too easy to get frustrated with this stuff