How do I cache dependencies for faster CI?

Caching dependencies in Continuous Integration (CI) can significantly speed up build times. By storing libraries and other dependencies locally instead of fetching them from remote servers every time, you can reduce the amount of time it takes to complete your CI pipeline.

How to Cache Dependencies in CI

Here are some general steps to implement caching for dependencies:

  1. Identify the dependencies that can be cached.
  2. Modify your CI configuration to save and restore the cache for the identified dependencies.
  3. Test your CI process to ensure that the caching works as expected.

Example: Caching Dependencies using GitHub Actions

Below is an example of how to cache dependencies for a PHP project using GitHub Actions:

name: PHP Composer CI on: [push, pull_request] jobs: build: runs-on: ubuntu-latest steps: - name: Checkout code uses: actions/checkout@v2 - name: Set up PHP uses: shivammathur/setup-php@v2 with: php-version: '7.4' - name: Cache Composer dependencies uses: actions/cache@v2 with: path: vendor key: ${{ runner.os }}-composer-${{ hashFiles('**/composer.lock') }} restore-keys: | ${{ runner.os }}-composer- ${{ runner.os }}- - name: Install dependencies run: composer install - name: Run tests run: vendor/bin/phpunit

caching dependencies CI Continuous Integration build speed GitHub Actions PHP composer performance optimization

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