Redisサービスコンテナの作成

name: Redis container example
on: push

jobs:
  # Label of the container job
  container-job:
    # Containers must run in Linux based operating systems
    runs-on: ubuntu-latest
    # Docker Hub image that `container-job` executes in
    container: node:10.18-jessie

    # Service containers to run with `container-job`
    services:
      # Label used to access the service container
      redis:
        # Docker Hub image
        image: redis
        # Set health checks to wait until redis has started
        options: >-
          --health-cmd "redis-cli ping"
          --health-interval 10s
          --health-timeout 5s
          --health-retries 5

    steps:
      # Downloads a copy of the code in your repository before running CI tests
      - name: Check out repository code
        uses: actions/checkout@v2

      # Performs a clean installation of all dependencies in the `package.json` file
      # For more information, see https://docs.npmjs.com/cli/ci.html
      - name: Install dependencies
        run: npm ci

      - name: Connect to Redis
        # Runs a script that creates a Redis client, populates
        # the client with data, and retrieves data
        run: node client.js
        # Environment variable used by the `client.js` script to create a new Redis client.
        env:
          # Redisサービスコンテナとの通信に使われるホスト名
          REDIS_HOST: redis
          # デフォルトのRedisポート
          REDIS_PORT: 6379

jobs:
  # コンテナジョブのラベル
  container-job:
    # コンテナはLinuxベースのオペレーティングシステ� 内で実行しなければならない
    runs-on: ubuntu-latest
    # `container-job`が実行されるDocker Hubのイメージ
    container: node:10.18-jessie

    # `container-job`と実行されるサービスコンテナ
    services:
      # サービスコンテナへのアクセスに使われるラベル
      redis:
        # Docker Hubのイメージ
        image: redis
        # redisが起動するまで待つヘルスチェックの設定
        options: >-
          --health-cmd "redis-cli ping"
          --health-interval 10s
          --health-timeout 5s
          --health-retries 5

steps:
  # Downloads a copy of the code in your repository before running CI tests
  - name: Check out repository code
    uses: actions/checkout@v2

  # Performs a clean installation of all dependencies in the `package.json` file
  # For more information, see https://docs.npmjs.com/cli/ci.html
  - name: Install dependencies
    run: npm ci

  - name: Connect to Redis
    # Runs a script that creates a Redis client, populates
    # the client with data, and retrieves data
    run: node client.js
    # Environment variable used by the `client.js` script to create a new Redis client.
    env:
          # Redisサービスコンテナとの通信に使われるホスト名
          REDIS_HOST: redis
          # デフォルトのRedisポート
          REDIS_PORT: 6379

name: Redis runner example
on: push

jobs:
  # Label of the runner job
  runner-job:
    # You must use a Linux environment when using service containers or container jobs
    runs-on: ubuntu-latest

    # Service containers to run with `runner-job`
    services:
      # Label used to access the service container
      redis:
        # Docker Hub image
        image: redis
        # Set health checks to wait until redis has started
        options: >-
          --health-cmd "redis-cli ping"
          --health-interval 10s
          --health-timeout 5s
          --health-retries 5
        ports:
          # Maps port 6379 on service container to the host
          - 6379:6379

    steps:
      # Downloads a copy of the code in your repository before running CI tests
      - name: Check out repository code
        uses: actions/checkout@v2

      # Performs a clean installation of all dependencies in the `package.json` file
      # For more information, see https://docs.npmjs.com/cli/ci.html
      - name: Install dependencies
        run: npm ci

      - name: Connect to Redis
        # Runs a script that creates a Redis client, populates
        # the client with data, and retrieves data
        run: node client.js
        # Environment variable used by the `client.js` script to create
        # a new Redis client.
        env:
          # Redisサービスコンテナとの通信に使われるホスト名
          REDIS_HOST: localhost
          # デフォルトのRedisポート
          REDIS_PORT: 6379

jobs:
  # ランナージョブのラベル
  runner-job:
    # サービスコンテナもしくはコンテナジョブを使う際にはLinux環境を使わなければならない
    runs-on: ubuntu-latest

    # `runner-job`と実行するサービスコンテナ
    services:
      # サービスコンテナへのアクセスに使うラベル
      redis:
        # Docker Hubのイメージ
        image: redis
        # redisが起動するまで待つヘルスチェックの設定
        options: >-
          --health-cmd "redis-cli ping"
          --health-interval 10s
          --health-timeout 5s
          --health-retries 5
        ports:
          # サービスコンテナ上のポート6379をホストにマップ
          - 6379:6379

steps:
  # Downloads a copy of the code in your repository before running CI tests
  - name: Check out repository code
    uses: actions/checkout@v2

  # Performs a clean installation of all dependencies in the `package.json` file
  # For more information, see https://docs.npmjs.com/cli/ci.html
  - name: Install dependencies
    run: npm ci

  - name: Connect to Redis
    # Runs a script that creates a Redis client, populates
    # the client with data, and retrieves data
    run: node client.js
    # Environment variable used by the `client.js` script to create
    # a new Redis client.
    env:
          # Redisサービスコンテナとの通信に使われるホスト名
          REDIS_HOST: localhost
          # デフォルトのRedisポート
          REDIS_PORT: 6379

const redis = require("redis");

// 新しいRedisクライアントの作成
// REDIS_HOSTが設定されていなければ、デフォルトのホストはlocalhost
// REDIS_PORTが設定されていなければ、デフォルトのポートは6379
const redisClient = redis.createClient({
  host: process.env.REDIS_HOST,
  port: process.env.REDIS_PORT  
});

redisClient.on("error", function(err) {
    console.log("Error " + err);
});

// キー"octocat"に"Mona the octocat"という値を設定
redisClient.set("octocat", "Mona the Octocat", redis.print);
// キーを"octocat"、フィールドを"species"、"value"を"Cat and Octopus"に設定
redisClient.hset("species", "octocat", "Cat and Octopus", redis.print);
// キーを"octocat"、フィールドを"species"、"value"を"Dinosaur and Octopus"に設定
redisClient.hset("species", "dinotocat", "Dinosaur and Octopus", redis.print);
// キーを"octocat"、フィールドを"species"、 "value"を"Cat and Robot"に設定
redisClient.hset(["species", "robotocat", "Cat and Robot"], redis.print);
// キー"species"のすべてのフィールドを取得

redisClient.hkeys("species", function (err, replies) {
    console.log(replies.length + " replies:");
    replies.forEach(function (reply, i) {
        console.log("    " + i + ": " + reply);
    });
    redisClient.quit();
});