feat: add github actions #11 #1

	# 工作流名称
	name: Build Docker Image

	# push tag 时触发执行
	on:
	push:
	branches:
	- main

	# 定义环境变量, 后面会使用
	# 定义 DOCKERHUB_REPO 标记 docker hub repo 名称
	env:
	APP_VERSION: latest
	DOCKERHUB_REPO: weaigc/bingo

	jobs:
	main:
	# 在 Ubuntu 上运行
	runs-on: ubuntu-latest
	steps:
	# git checkout 代码
	- name: Checkout
	uses: actions/checkout@v2
	# 设置 QEMU, 后面 docker buildx 依赖此.
	- name: Set up QEMU
	uses: docker/setup-qemu-action@v1
	# 设置 Docker buildx, 方便构建 Multi platform 镜像
	- name: Set up Docker Buildx
	uses: docker/setup-buildx-action@v1
	# 登录 docker hub
	- name: Login to DockerHub
	uses: docker/login-action@v1
	with:
	# GitHub Repo => Settings => Secrets 增加 docker hub 登录密钥信息
	# DOCKERHUB_USERNAME 是 docker hub 账号名.
	# DOCKERHUB_TOKEN: docker hub => Account Setting => Security 创建.
	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/386
	linux/amd64
	tags: \|
	${{ env.DOCKERHUB_REPO }}:latest
	${{ env.DOCKERHUB_REPO }}:${{ env.APP_VERSION }}

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