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Mock CI/CD Pipeline Config Generator

Starting a CI/CD config from scratch means looking up YAML structure, getting job block syntax right, and wiring correct commands for your language. A mock CI/CD pipeline config generator handles this in one step — pick a platform and project type, and get a copy-paste-ready YAML file with install, test, and build stages wired using each platform's real conventions. The `platform` input determines the YAML schema. GitHub Actions uses `on` triggers, jobs with steps, and language setup actions (setup-node, setup-python, setup-java, docker/login). GitLab CI uses stages, script blocks, cache, and artifacts. CircleCI uses 2.1 orb structure with docker executor. Bitbucket Pipelines uses image/pipelines/step. The `projectType` input sets commands — Node.js uses npm ci, npm test, npm run build; Python uses pip install, pytest --cov; Docker uses docker build/push; Java uses ./mvnw.

Read the complete guide — 4 min read

How to use

  1. Choose your options above
  2. Click Generate
  3. Copy your result

Detailed instructions

  1. Select your CI/CD platform from the Platform dropdown — GitHub Actions, GitLab CI, CircleCI, or Bitbucket Pipelines.
  2. Choose your project type from the Project Type dropdown to get the correct package manager and test runner commands.
  3. Click Generate to produce the complete YAML configuration file in the output panel.
  4. Copy the output and save it to the correct config path for your platform (e.g., `.github/workflows/ci.yml` for GitHub Actions).
  5. Adjust branch triggers, environment variable names, and artifact paths to match your actual project before committing.

Use Cases

  • •Scaffolding a GitHub Actions workflow for a new Node.js monorepo before the first commit
  • •Generating a GitLab CI template for a Docker-based microservice to review syntax offline
  • •Feeding structurally valid YAML fixtures into actionlint or a custom CI config parser
  • •Giving bootcamp students a real CircleCI config to dissect during a DevOps module
  • •Drafting a Bitbucket Pipelines config for a Java project to share in a Confluence runbook

Tips

  • →Match the project type to your actual package manager — selecting Node.js generates `npm ci`, so switch commands if you use Yarn or pnpm.
  • →Use the GitLab CI output as a base even if you're targeting a self-hosted runner; the stage structure stays valid, just add `tags` to target your runner.
  • →Generate configs for multiple platforms side-by-side to compare YAML structures — useful when migrating a pipeline from one platform to another.
  • →For Docker projects, the generated config assumes a standard `Dockerfile` in the repo root; rename the build context path if yours differs.
  • →Run the GitHub Actions output through `actionlint` before committing — it catches type errors in expressions that a basic YAML linter would miss.
  • →Treat the generated caching step as a starting point: update the cache key hash to use your exact lock file name to avoid stale dependency cache hits.

FAQ

where do I put the generated github actions config in my repo

Save it as a .yml file inside .github/workflows/ — for example .github/workflows/ci.yml. GitHub automatically detects any workflow file in that directory and runs it on the triggers defined in the on block. Create the directory first if it doesn't exist. For GitLab CI, the file goes at the repo root as .gitlab-ci.yml.

are the generated pipeline configs close enough to use in a real project

They are realistic, syntactically correct starting points covering install, test, and build steps using each platform's actual schema and the correct commands for your chosen project type. Before going live, add environment variable secrets, adjust runner versions, tighten branch trigger rules, and append any deployment stages your infrastructure needs.

what is the difference between the github actions and gitlab ci output

Each output follows that platform's own YAML structure entirely — GitHub Actions uses an on triggers block, a jobs block with steps arrays, and uses: lines for actions. GitLab CI uses a stages list, script arrays inside job definitions, cache paths, and artifacts blocks. The generator does not share a template between them; it applies each platform's specific keys and conventions throughout.

does the node.js output work with yarn or pnpm instead of npm

The Node.js project type generates npm ci, npm test, and npm run build commands. If you use Yarn or pnpm, replace npm ci with yarn install --frozen-lockfile or pnpm install --frozen-lockfile, and update the test and build commands accordingly. Also update the cache key in the setup-node action from npm to yarn or pnpm.

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