参考

https://icloudnative.io/posts/docker-registry-proxy/

准备自定义镜像

构建docker镜像

docker build -t iatneh1900/docker-proxy .

推送到docker hub

## 如果未登录先登录
docker login

docker push iatneh1900/docker-proxy

docker-compose运行

version: '3.8'
services:
  registry-dockerhub:
    restart: always
    image: iatneh1900/docker-proxy
    hostname: registry-dockerhub
    container_name: registry-dockerhub
    network_mode: bridge
    environment:
      - PROXY_REMOTE_URL=https://registry-1.docker.io
    ports:
      - 5000:5000
    volumes:
      - ./data/dh:/var/lib/registry
  registry-gcr:
    restart: always
    image: iatneh1900/docker-proxy
    hostname: registry-gcr
    container_name: registry-gcr
    network_mode: bridge
    environment:
      - PROXY_REMOTE_URL=https://gcr.io
    ports:
      - 5001:5000
    volumes:
      - ./data/gcr:/var/lib/registry
  registry-quay:
    restart: always
    image: iatneh1900/docker-proxy
    hostname: registry-quay
    container_name: registry-quay
    network_mode: bridge
    environment:
      - PROXY_REMOTE_URL=https://quay.io
    ports:
      - 5002:5000
    volumes:
      - ./data/quay:/var/lib/registry
  registry-k8s:
    restart: always
    image: iatneh1900/docker-proxy
    hostname: registry-k8s
    container_name: registry-k8s
    network_mode: bridge
    environment:
      - PROXY_REMOTE_URL=https://registry.k8s.io
    ports:
      - 5003:5000
    volumes:
      - ./data/mcr:/var/lib/registry
  registry-mcr:
    restart: always
    image: iatneh1900/docker-proxy
    hostname: registry-mcr
    container_name: registry-mcr
    network_mode: bridge
    environment:
      - PROXY_REMOTE_URL=https://mcr.microsoft.com
    ports:
      - 5004:5000
    volumes:
      - ./data/mcr:/var/lib/registry

配置github Actions自动构建推送到Docker Hub

准备

准备DockerHub的AccessToken

1. 登录DockerHub
2. My Account -> Security -> New Access Token

在GitHub对应的repository配置DockerHub账号、AccessToken

1. 进入对应的配置页面 例如：https://github.com/{username}/{repository}/settings/secrets/actions
2. 新建两个密钥 DOCKERHUB_USERNAME DOCKERHUB_TOKEN 分别对应DockerHub的 AccountID和AccessToken

配置action

name: Docker Image CI

on:
  push:
    branches: [ "master" ]
  pull_request:
    branches: [ "master" ]
jobs:
  docker:
    runs-on: ubuntu-latest
    steps:
      -
        name: Set up QEMU
        uses: docker/setup-qemu-action@v3
      -
        name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v3
      -
        name: Login to Docker Hub
        uses: docker/login-action@v3
        with:
          username: ${{ secrets.DOCKERHUB_USERNAME }}
          password: ${{ secrets.DOCKERHUB_TOKEN }}
      -
        name: Build and push
        uses: docker/build-push-action@v5
        with:
          push: true
          tags: iatneh1900/docker-proxy:latest