docker.yml

name: dockerbuild
# https://github.com/marketplace/actions/build-and-push-docker-images#path-context
# https://docs.docker.com/build/ci/github-actions/
# https://blog.isayme.org/posts/issues-55/


on:
  push:
    branches:
      - 'main'
  workflow_dispatch:

env:
  APP_NAME: pic_minify
  DOCKERHUB_REPO: sikii/pic_minify

jobs:
  docker:
    runs-on: ubuntu-latest
    steps:
      -
        name: Checkout
        uses: actions/checkout@v3
      -
        name: Set up QEMU
        uses: docker/setup-qemu-action@v2
      -
        name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v2
      -
        name: Login to Docker Hub
        uses: docker/login-action@v2
        with:
          username: ${{ secrets.DOCKERHUB_USERNAME }}
          password: ${{ secrets.DOCKERHUB_TOKEN }}
      # 构建 Docker 并推送到 Docker hub
      - name: Build and push
        id: docker_build
        uses: docker/build-push-action@v2
        with:
          # 是否 docker push
          push: true
          # 生成多平台镜像, see https://github.com/docker-library/bashbrew/blob/v0.1.1/architecture/oci-platform.go
          platforms: |
            linux/amd64
          # platforms: |
          #   linux/amd64
          #   # linux/arm/v6
          #   # linux/arm/v7
          #   # linux/arm64/v8
          # docker build arg, 注入 APP_NAME/APP_VERSION
          build-args: |
            APP_NAME=${{ env.APP_NAME }}
            APP_VERSION=${{ env.APP_VERSION }}
          # 生成两个 docker tag: ${APP_VERSION} 和 latest
          tags: |
            ${{ env.DOCKERHUB_REPO }}:latest