Build workflow (lutzroeder/netron)
The Build workflow from lutzroeder/netron, explained and optimized by Latchkey.
CI health: D - needs work
Point runs-on at Latchkey and get caching, run de-duplication, job timeouts, self-healing for flaky steps, and up to 58% lower cost, applied automatically.
What it does
This is the Build workflow from the lutzroeder/netron 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: Build
on:
push:
branches: [ '**' ]
tags-ignore: [ '**' ]
pull_request:
branches: [ main ]
jobs:
build:
name: Build
runs-on: ${{ matrix.os }}
timeout-minutes: 30
strategy:
matrix:
os: [ macos-latest, ubuntu-latest, windows-latest ]
steps:
- name: Clone Git repository
uses: actions/checkout@v4
- name: Install Node.js
uses: actions/setup-node@v4
with:
node-version: '24.15'
- name: Install Python
uses: actions/setup-python@v5
with:
python-version: 3.x
- name: Install Packages
run: npm run install
- name: Validate
run: npm run validate
- name: Build Python Server
run: npm run build python
- name: Build Electron
shell: bash
run: |
npx electron-builder install-app-deps
case "${{ matrix.os }}" in
macos*)
npm run build electron mac
;;
ubuntu*)
sudo apt-get install rpm --yes
npm run build electron linux
;;
windows*)
npm run build electron windows
;;
esac
analyze:
name: Analyze
runs-on: ubuntu-latest
permissions:
security-events: write
strategy:
fail-fast: false
matrix:
language: [ 'javascript', 'python' ]
steps:
- name: Clone Git repository
uses: actions/checkout@v4
- name: Initialize CodeQL
uses: github/codeql-action/init@v3
with:
languages: ${{ matrix.language }}
- name: Autobuild
uses: github/codeql-action/autobuild@v3
- name: Perform CodeQL Analysis
uses: github/codeql-action/analyze@v3
The same workflow, on Latchkey
Estimated ~20% faster on cache hits, plus fewer wasted runs and a safer supply chain. Added and changed lines are highlighted.
name: Build on: push: branches: [ '**' ] tags-ignore: [ '**' ] pull_request: branches: [ main ] concurrency: group: ${{ github.workflow }}-${{ github.ref }} cancel-in-progress: true jobs: build: name: Build runs-on: ${{ matrix.os }} timeout-minutes: 30 strategy: matrix: os: [ macos-latest, ubuntu-latest, windows-latest ] steps: - name: Clone Git repository uses: actions/checkout@v4 - name: Install Node.js uses: actions/setup-node@v4 with: cache: 'npm' node-version: '24.15' - name: Install Python uses: actions/setup-python@v5 with: python-version: 3.x - name: Install Packages run: npm run install - name: Validate run: npm run validate - name: Build Python Server run: npm run build python - name: Build Electron shell: bash run: | npx electron-builder install-app-deps case "${{ matrix.os }}" in macos*) npm run build electron mac ;; ubuntu*) sudo apt-get install rpm --yes npm run build electron linux ;; windows*) npm run build electron windows ;; esac analyze: timeout-minutes: 30 name: Analyze runs-on: latchkey-small permissions: security-events: write strategy: fail-fast: false matrix: language: [ 'javascript', 'python' ] steps: - name: Clone Git repository uses: actions/checkout@v4 - name: Initialize CodeQL uses: github/codeql-action/init@v3 with: languages: ${{ matrix.language }} - name: Autobuild uses: github/codeql-action/autobuild@v3 - name: Perform CodeQL Analysis uses: github/codeql-action/analyze@v3
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.
- Cache dependency installs on the setup step so they are served from cache.
- 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
This workflow runs 2 jobs (5 with the matrix expanded) per trigger. On Latchkey the same minutes cost up to 58% less than GitHub-hosted, with zero queue time.