PostgreSQLサービスコンテナの作成

name: PostgreSQL service 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
      postgres:
        # Docker Hub image
        image: postgres
        # Provide the password for postgres
        env:
          POSTGRES_PASSWORD: postgres
        # Set health checks to wait until postgres has started
        options: >-
          --health-cmd pg_isready
          --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 PostgreSQL
        # Runs a script that creates a PostgreSQL table, populates
        # the table with data, and then retrieves the data.
        run: node client.js
        # `client.js` スクリプトが新しいPostgreSQLクライアントの作成に使う環境変数。
        env:
          # PostgreSQLサービスコンテナとの通信に使われるホスト名
          POSTGRES_HOST: postgres
          # デフォルトのPostgreSQLポート
          POSTGRES_PORT: 5432

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
      postgres:
        # Docker Hubのイメージ
        image: postgres
        # postgresのパスワードを提供
        env:
          POSTGRES_PASSWORD: postgres
        # postgresが起動するまで待つヘルスチェックの設定
        options: >-
          --health-cmd pg_isready
          --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 PostgreSQL
    # Runs a script that creates a PostgreSQL table, populates
    # the table with data, and then retrieves the data.
    run: node client.js
    # 新しい PostgreSQL クライアントを作成するために
    # `client.js` スクリプトによって使用される環境変数。
    env:
      # PostgreSQLサービスコンテナとの通信に使われるホスト名
      POSTGRES_HOST: postgres
      # デフォルトのPostgreSQLポート
      POSTGRES_PORT: 5432

name: PostgreSQL Service 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
      postgres:
        # Docker Hub image
        image: postgres
        # Provide the password for postgres
        env:
          POSTGRES_PASSWORD: postgres
        # Set health checks to wait until postgres has started
        options: >-
          --health-cmd pg_isready
          --health-interval 10s
          --health-timeout 5s
          --health-retries 5
        ports:
          # Maps tcp port 5432 on service container to the host
          - 5432:5432

    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 PostgreSQL
        # Runs a script that creates a PostgreSQL table, populates
        # the table with data, and then retrieves the data
        run: node client.js
        # Environment variables used by the `client.js` script to create
        # a new PostgreSQL table.
        env:
          # PostgreSQLサービスコンテナとの通信に使われるホスト名
          POSTGRES_HOST: localhost
          # デフォルトのPostgreSQLポート
          POSTGRES_PORT: 5432

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� �合には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
      postgres:
        # Docker Hubのイメージ
        image: postgres
        # postgresにパスワードを提供
        env:
          POSTGRES_PASSWORD: postgres
        # postgresが起動するまで待つヘルスチェックの設定
        options: >-
          --health-cmd pg_isready
          --health-interval 10s
          --health-timeout 5s
          --health-retries 5
        ports:
          # サービスコンテナ上のTCPポート5432をホストにマップ
          - 5432:5432

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 PostgreSQL
    # Runs a script that creates a PostgreSQL table, populates
    # the table with data, and then retrieves the data
    run: node client.js
    # Environment variables used by the `client.js` script to create
    # a new PostgreSQL table.
    env:
      # PostgreSQLサービスコンテナとの通信に使われるホスト名
      POSTGRES_HOST: localhost
      # デフォルトのPostgreSQLポート
      POSTGRES_PORT: 5432

const { Client } = require('pg');

const pgclient = new Client({
    host: process.env.POSTGRES_HOST,
    port: process.env.POSTGRES_PORT,
    user: 'postgres',
    password: 'postgres',
    database: 'postgres'
});

pgclient.connect();

const table = 'CREATE TABLE student(id SERIAL PRIMARY KEY, firstName VARCHAR(40) NOT NULL, lastName VARCHAR(40) NOT NULL, age INT, address VARCHAR(80), email VARCHAR(40))'
const text = 'INSERT INTO student(firstname, lastname, age, address, email) VALUES($1, $2, $3, $4, $5) RETURNING *'
const values = ['Mona the', 'Octocat', 9, '88 Colin P Kelly Jr St, San Francisco, CA 94107, United States', 'octocat@github.com']

pgclient.query(table, (err, res) => {
    if (err) throw err
});

pgclient.query(text, values, (err, res) => {
    if (err) throw err
});

pgclient.query('SELECT * FROM student', (err, res) => {
    if (err) throw err
    console.log(err, res.rows) // Print the data in student table
    pgclient.end()
});