CI workflow (jo-inc/camofox-browser)
The CI workflow from jo-inc/camofox-browser, explained and optimized by Latchkey.
CI health: C - fair
Point runs-on at Latchkey and get run de-duplication, job timeouts, self-healing for flaky steps, and up to 58% lower cost, applied automatically.
What it does
This is the CI workflow from the jo-inc/camofox-browser repository, a real project running GitHub Actions. It is shown here with attribution under its MIT license.
Below, Latchkey shows a faster, safer version produced by its optimization engine.
The workflow
name: CI
on:
push:
branches: [master]
pull_request:
branches: [master]
jobs:
unit:
runs-on: ubuntu-latest
strategy:
matrix:
node-version: [24]
steps:
- uses: actions/checkout@v4
- name: Setup Node.js ${{ matrix.node-version }}
uses: actions/setup-node@v4
with:
node-version: ${{ matrix.node-version }}
cache: npm
- name: Install dependencies
run: npm ci
- name: Build plugin (TypeScript → JS)
run: npm run build
- name: Run unit + plugin tests (Jest)
run: |
npm install --no-save jest-junit
node --experimental-vm-modules node_modules/.bin/jest \
--testPathPattern='tests/unit|plugins' \
--testPathIgnorePatterns='security\.test|tabRecycling\.test|cookies\.test' \
--forceExit
env:
CI: true
e2e:
runs-on: ubuntu-latest
strategy:
matrix:
node-version: [24]
steps:
- uses: actions/checkout@v4
- name: Setup Node.js ${{ matrix.node-version }}
uses: actions/setup-node@v4
with:
node-version: ${{ matrix.node-version }}
cache: npm
- name: Install dependencies
run: |
npm ci
npm install --no-save jest-junit
- name: Cache Playwright browsers
id: playwright-cache
uses: actions/cache@v4
with:
path: ~/.cache/ms-playwright
key: playwright-${{ runner.os }}-${{ hashFiles('package-lock.json') }}
- name: Install browser
if: steps.playwright-cache.outputs.cache-hit != 'true'
run: npx playwright install --with-deps firefox
- name: Install browser system deps (cache hit)
if: steps.playwright-cache.outputs.cache-hit == 'true'
run: npx playwright install-deps firefox
- name: Run e2e + browser-dependent unit tests
run: |
xvfb-run --auto-servernum \
node --experimental-vm-modules node_modules/.bin/jest \
--config jest.config.e2e.cjs \
--runInBand --forceExit
env:
CI: true
- name: Run browser-dependent unit tests
run: |
xvfb-run --auto-servernum \
node --experimental-vm-modules node_modules/.bin/jest \
--testPathPattern='tests/unit/(security|tabRecycling|cookies)\.test' \
--runInBand --forceExit
env:
CI: true
The same workflow, on Latchkey
Removes redundant runs and caps runaway jobs. Added and changed lines are highlighted.
name: CI on: push: branches: [master] pull_request: branches: [master] concurrency: group: ${{ github.workflow }}-${{ github.ref }} cancel-in-progress: true jobs: unit: timeout-minutes: 30 runs-on: latchkey-small strategy: matrix: node-version: [24] steps: - uses: actions/checkout@v4 - name: Setup Node.js ${{ matrix.node-version }} uses: actions/setup-node@v4 with: node-version: ${{ matrix.node-version }} cache: npm - name: Install dependencies run: npm ci - name: Build plugin (TypeScript → JS) run: npm run build - name: Run unit + plugin tests (Jest) run: | npm install --no-save jest-junit node --experimental-vm-modules node_modules/.bin/jest \ --testPathPattern='tests/unit|plugins' \ --testPathIgnorePatterns='security\.test|tabRecycling\.test|cookies\.test' \ --forceExit env: CI: true e2e: timeout-minutes: 30 runs-on: latchkey-small strategy: matrix: node-version: [24] steps: - uses: actions/checkout@v4 - name: Setup Node.js ${{ matrix.node-version }} uses: actions/setup-node@v4 with: node-version: ${{ matrix.node-version }} cache: npm - name: Install dependencies run: | npm ci npm install --no-save jest-junit - name: Cache Playwright browsers id: playwright-cache uses: actions/cache@v4 with: path: ~/.cache/ms-playwright key: playwright-${{ runner.os }}-${{ hashFiles('package-lock.json') }} - name: Install browser if: steps.playwright-cache.outputs.cache-hit != 'true' run: npx playwright install --with-deps firefox - name: Install browser system deps (cache hit) if: steps.playwright-cache.outputs.cache-hit == 'true' run: npx playwright install-deps firefox - name: Run e2e + browser-dependent unit tests run: | xvfb-run --auto-servernum \ node --experimental-vm-modules node_modules/.bin/jest \ --config jest.config.e2e.cjs \ --runInBand --forceExit env: CI: true - name: Run browser-dependent unit tests run: | xvfb-run --auto-servernum \ node --experimental-vm-modules node_modules/.bin/jest \ --testPathPattern='tests/unit/(security|tabRecycling|cookies)\.test' \ --runInBand --forceExit env: CI: true
What changed
- Run on Latchkey managed runners with one line (
runs-on), which apply the fixes below automatically and self-heal transient failures. This example useslatchkey-small; pick the runner size that fits the job. - Cancel superseded runs when a branch or PR gets a newer push.
- Add a job timeout so a hung step cannot burn hours of runner time.
What Latchkey heals here
This workflow has steps that commonly fail on transient issues (network, registries, flaky browsers). On Latchkey managed runners they are detected, retried, and self-healed instead of failing your build:
- Dependency installs
- End-to-end and browser tests
This workflow runs 2 jobs per trigger. On Latchkey the same minutes cost up to 58% less than GitHub-hosted, with zero queue time.