GitHub Action制作镜像并推送到DockerHub

添加账号（设置当前仓库的秘密环境变量）

• USERNAME：用户名
• PASSWORD：密码

运行Action（设置仓库与镜像名）

• 目标仓库，示例：wgp-2020/push_docker_image
• 镜像名称，示例：username/demo:latest

name: Build and Push Docker Image
on: 
  workflow_dispatch: #手动触发工作流
   inputs:
    repository:
        description: '目标仓库'
        required: true
        type: string
    name:
        description: '镜像名称'
        required: true
        type: string

jobs:
  build:
    runs-on: ubuntu-latest
steps:
- name: 签出目标仓库
  uses: actions/checkout@v3
  with:
     repository: ${{ inputs.repository }}
     
- name: 登录DockerHub
  uses: docker/login-action@v2
  with:
    username: ${{ secrets.USERNAME }}
    password: ${{ secrets.PASSWORD }}
    
- name: 制作镜像并上传
  uses: docker/build-push-action@v2
  with:
    context: .
    push: true
    tags: ${{ inputs.name }}