How to Build a CI/CD Pipeline Using GitHub Actions and Docker

说明与用途

使用 GitHub Actions 和 Docker 的自动化 CI/CD 流水线加速测试、构建和发布容器，降低错误风险并加速发布。

问题

Developers manually run tests, build, and package code, leading to skipped steps, outdated dependencies, and bugs reaching users.

结果

Automated pipeline reduces manual effort, ensures consistent builds, catches errors early, and enables optional image publishing and deployment.

工作流

• Push code to GitHub
• GitHub Actions triggers workflow
• Run automated tests and checks
• If tests pass, build Docker image
• Publish image to container registry
• Optional: deploy application to server or cloud

证据

Imagine a developer who finishes a small feature on Friday afternoon. Before releasing it, they run the tests by hand, build the application, package it, and prepare the release. It takes twenty minutes.

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Automation reduces this repetitive work and catches errors earlier, when they're cheaper to fix.

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GitHub Actions automates tasks when something happens in your repository, such as a push or a pull request.

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Docker packages an application together with everything it needs to run, such as its runtime and libraries, into a container image.

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A Dockerfile is a short text recipe describing how to build your image: which base image to start from, which files to copy in, which dependencies to install, and which command starts the app.

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