📦🚀 semantic-release

Fully automated version management and package publishing

semantic-release automates the whole package release workflow including: determining the next version number, generating the release notes, and publishing the package.

This removes the immediate connection between human emotions and version numbers, strictly following the Semantic Versioning specification and communicating the impact of changes to consumers.

Trust us, this will change your workflow for the better. – egghead.io

Highlights

Fully automated release
Enforce Semantic Versioning specification
New features and fixes are immediately available to users
Notify maintainers and users of new releases
Use formalized commit message convention to document changes in the codebase
Publish on different distribution channels (such as npm dist-tags) based on git merges
Integrate with your continuous integration workflow
Avoid potential errors associated with manual releases
Support any package managers and languages via plugins
Simple and reusable configuration via shareable configurations
Support for npm package provenance that promotes increased supply-chain security via signed attestations on GitHub Actions

How does it work?

Commit message format

semantic-release uses the commit messages to determine the consumer impact of changes in the codebase. Following formalized conventions for commit messages, semantic-release automatically determines the next semantic version number, generates a changelog and publishes the release.

By default, semantic-release uses Angular Commit Message Conventions. The commit message format can be changed with the preset or config options of the @semantic-release/commit-analyzer and @semantic-release/release-notes-generator plugins.

Tools such as commitizen or commitlint can be used to help contributors and enforce valid commit messages.

The table below shows which commit message gets you which release type when semantic-release runs (using the default configuration):

Commit message	Release type
`fix(pencil): stop graphite breaking when too much pressure applied`	~~Patch~~ Fix Release
`feat(pencil): add 'graphiteWidth' option`	~~Minor~~ Feature Release
`perf(pencil): remove graphiteWidth option` `BREAKING CHANGE: The graphiteWidth option has been removed.` `The default graphite width of 10mm is always used for performance reasons.`	~~Major~~ Breaking Release (Note that the `BREAKING CHANGE:` token must be in the footer of the commit)

Automation with CI

semantic-release is meant to be executed on the CI environment after every successful build on the release branch. This way no human is directly involved in the release process and the releases are guaranteed to be unromantic and unsentimental.

Triggering a release

For each new commit added to one of the release branches (for example: master, main, next, beta), with git push or by merging a pull request or merging from another branch, a CI build is triggered and runs the semantic-release command to make a release if there are codebase changes since the last release that affect the package functionalities.

semantic-release offers various ways to control the timing, the content and the audience of published releases. See example workflows in the following recipes:

Using distribution channels
Maintenance releases
Pre-releases

Release steps

After running the tests, the command semantic-release will execute the following steps:

Step	Description
Verify Conditions	Verify all the conditions to proceed with the release.
Get last release	Obtain the commit corresponding to the last release by analyzing Git tags.
Analyze commits	Determine the type of release based on the commits added since the last release.
Verify release	Verify the release conformity.
Generate notes	Generate release notes for the commits added since the last release.
Create Git tag	Create a Git tag corresponding to the new release version.
Prepare	Prepare the release.
Publish	Publish the release.
Notify	Notify of new releases or errors.

Requirements

In order to use semantic-release you need:

To host your code in a Git repository
Use a Continuous Integration service that allows you to securely set up credentials
A Git CLI version that meets our version requirement installed in your Continuous Integration environment
A Node.js version that meets our version requirement installed in your Continuous Integration environment

Documentation

Usage
Extending
- Plugins
- Shareable configuration
Recipes
Developer guide
Support

Get help

GitHub Discussions
Stack Overflow
Twitter

Badge

Let people know that your package is published using semantic-release and which commit-convention is followed by including this badge in your readme.

[![semantic-release: angular](https://img.shields.io/badge/semantic--release-angular-e10079?logo=semantic-release)](https://github.com/semantic-release/semantic-release)

Team


Gregor Martynus	Pierre Vanduynslager	Matt Travi

Alumni


Stephan Bönnemann	Rolf Erik Lekang	Johannes Jörg Schmidt	Finn Pauls	Christoph Witzko

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