【问题标题】:How To Authenticate with Private Repository in Docker Container如何在 Docker 容器中使用私有存储库进行身份验证
【发布时间】:2022-12-16 05:24:05
【问题描述】:

我有一个 git 存储库,它是一个私有存储库,我需要能够对其进行身份验证并能够在运行时在 container build 透视图中看到它。关于一些背景信息,我有一个 GitHub Workflow,它构建一个容器镜像并将其发布到 ghcr.io 注册表。但是,因为我的包所依赖的存储库是私有的,所以它不起作用。现在它在本地工作,我考虑过更改我存储 GitHub 身份验证的方式以允许我访问它,但想知道是否有人知道我访问私有存储库的更好方法。

这是发布到 ghcr.io 注册表的 GitHub 操作:

name: Docker dataeng_github_metrics

# Run workflow on tags starting with v (eg. v2, v1.2.0)
on:
  push:
    branches: [ "master" ]
    paths:
      - ./data_pipelines/dataeng_github_metrics/*
  pull_request:
    branches: [ "master" ]

jobs:
  Deploy:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout Code
        uses: actions/checkout@v1
        
      - name: Login to GitHub Container Registry
        uses: docker/login-action@v1
        with:
          registry: ghcr.io
          username: ${{ github.repository_owner }}
          password: ${{ secrets.GHCR_REGISTRY_TOKEN }}

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v2

      - name: Build and Push Docker Image
        uses: docker/build-push-action@v3
        with:
          context: ./data_pipelines/dataeng_github_metrics/
          file: ./data_pipelines/dataeng_github_metrics/Dockerfile
          push: true # Will only build if this is not here
          tags: |
            ghcr.io/mirantis/dataeng_github_metrics:latest
          # TODO: I CANNOT USE DATAENG AS PUBLIC AND NEED TO CHANGE THE WAY GITCONFIG IS USED IN THE DOCKERFILE FOR AUTHENTICATION
          secrets: |
            TOKEN=${{ secrets.AUTOMATION_PAT}}

这是Dockerfile

###############
# CACHE IMAGE #
###############
ARG GO_IMAGE=golang:1.17.3-alpine3.14
ARG BASE_IMAGE=alpine:3.14.2

FROM ${GO_IMAGE} AS cache
# Add the keys
ARG GITHUB_ID
ENV GITHUB_ID=$GITHUB_ID
ARG GITHUB_TOKEN
ENV GITHUB_TOKEN=$GITHUB_TOKEN

# Install Git
RUN apk add git

# TODO: ENCRYPT THE GITHUB_ID AND GITHUB_TOKEN
# Make Git Configuration
RUN git config \
    --global \
    url."https://${GITHUB_ID}:${GITHUB_TOKEN}@github.com/".insteadOf \
    "https://github.com/"

WORKDIR /src
COPY go.mod go.sum /src/
RUN go mod download

##############
# BASE IMAGE #
##############
FROM cache AS dataeng_github_metrics
COPY . /bin
WORKDIR /bin

# Setup Git Terminal Prompt & Go Build
RUN go build .

###############
# FINAL IMAGE #
###############
FROM ${BASE_IMAGE}
COPY --from=dataeng_github_metrics /bin/dataeng_github_metrics bin/
ENTRYPOINT [ "bin/dataeng_github_metrics" ]

我认为让我感到困惑的重要部分是这个,但想知道是否有更好的方法来实现它:

# Make Git Configuration
RUN git config \
    --global \
    url."https://${GITHUB_ID}:${GITHUB_TOKEN}@github.com/".insteadOf \
    "https://github.com/"

如何访问私有存储库并避免工作流程中出现以下错误:

#14 9.438   remote: Repository not found.
#14 9.438   fatal: Authentication failed for 'https://github.com/Mirantis/dataeng/'
------
Dockerfile:26
--------------------
  24 |     WORKDIR /src
  25 |     COPY go.mod go.sum /src/
  26 | >>> RUN go mod download
  27 |     
  28 |     ##############
--------------------
ERROR: failed to solve: process "/bin/sh -c go mod download" did not complete successfully: exit code: 1
Error: buildx failed with: ERROR: failed to solve: process "/bin/sh -c go mod download" did not complete successfully: exit code: 1

【问题讨论】:

  • 您尝试构建的代码所在的存储库似乎与在构建时尝试下载代码的存储库相同?为什么不从已经有代码的操作中复制它呢?

标签: git docker go dockerfile github-actions


【解决方案1】:

Dockerfile 中,为了使用操作传递的秘密(称为 TOKEN),您应该按以下方式运行:

RUN --mount=type=secret,id=TOKEN 
    echo "machine github.com login x password $(head -n 1 /run/secrets/TOKEN)" > ~/.netrc && 
git config 
    --global 
    url."https://${GITHUB_ID}:${TOKEN}@github.com/".insteadOf 
    "https://github.com/"

记得也将 GITHUB_ID 传递给 dockerfile

【讨论】:

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