What does a typical CI pipeline include?

A typical CI pipeline is an automatic sequence of steps that runs on every commit or pull request to check that the code works correctly and safely. It combines build, testing, and project analysis into a single process.

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#Main stages of a CI pipeline

1. Checkout / Clone

• the system pulls fresh code from the repository (usually from the PR branch).

2. Build

• the project is compiled or dependencies are installed (npm install, gradle build, etc.);
• it is checked that the code builds without errors.

3. Static analysis / Lint

• an automatic check of code style and quality: linters, formatters, SonarQube, ESLint, and others.
• potential bugs and vulnerabilities are identified.

4. Run Tests

• unit, integration, and e2e tests are run;
• test coverage is analyzed.

5. Security checks

• dependencies are scanned (npm audit, Snyk, etc.) to look for vulnerabilities.

6. Build artifacts

• if all checks pass, artifacts are created (binaries, containers, packages) for the following deployment.

7. Notifications

• the system notifies the team (in Slack, Telegram, or by email) whether the build failed or succeeded.

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#Additional steps (depending on the project)

• Database migrations - checking migrations and data schemas.
• Code coverage threshold - a minimum required level of test coverage.
• Auto merge / Deploy trigger - on a successful CI run, CD (deployment) starts automatically.

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#Conclusion

A typical CI pipeline is an "automated health check for the project": every commit goes through build, tests, analysis, and validation, which guarantees code stability and reliable releases.