github-actions-demo.yml

name: GitHub Actions Demo
run-name: ${{ github.actor }} is testing out GitHub Actions 🚀
on:
  # push:
  #   branches:
  #     - master
  # 手动出发事件
  workflow_dispatch:
env:
    FIRST: my first env
    IMAGE_NAME: test/test
jobs:
  Explore-GitHub-Actions:
    env:
      LAST_COMMIT_MSG: ${{ github.event.head_commit.message }}
    runs-on: ubuntu-latest
    steps:
      - run: echo "🎉 The job was automatically triggered by a ${{ github.event_name }} event."
      - run: echo "🐧 This job is now running on a ${{ runner.os }} server hosted by GitHub!"
      - run: echo "🔎 The name of your branch is ${{ github.ref }} and your repository is ${{ github.repository }}."
      - name: Check out repository code
        uses: actions/checkout@v3
      - run: echo "💡 The ${{ github.repository }} repository has been cloned to the runner."
      - run: echo "🖥️ The workflow is now ready to test your code on the runner."
      - name: List files in the repository
        run: |
          ls ${{ github.workspace }}
      - name: MY TEST
        run: |
          echo test env "$FIRST"
      - uses: actions/checkout@v3
      - name: Login to Docker Hub
        uses: docker/login-action@v2
        with:
          username: ${{ secrets.DOCKERHUB_USERNAME }}
          password: ${{ secrets.DOCKERHUB_PASSWORD }}
      - name: Extract branch name
        shell: bash
        run: echo "##[set-output name=branch;]$(echo ${GITHUB_REF#refs/heads/})"
        id: extract_branch
      - name: Build the Docker image
        run: |
          IMAGE_TAG=${{ steps.extract_branch.outputs.branch }}
          echo ${{ github.ref_name }}
          echo $IMAGE_NAME:$IMAGE_TAG
        
      - run: echo "🍏 This job's status is ${{ job.status }}."
      - run: echo "last commit msg $LAST_COMMIT_MSG"