verify-templates workflow (Shpota/goxygen)

The verify-templates workflow from Shpota/goxygen, explained and optimized by Latchkey.

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Source: Shpota/goxygen.github/workflows/verify-templates.ymlLicense Apache-2.0View source

What it does

This is the verify-templates workflow from the Shpota/goxygen repository, a real project running GitHub Actions. It is shown here with attribution under its Apache-2.0 license.

Below, Latchkey shows a faster, safer version produced by its optimization engine.

The workflow

workflow (.yml)

name: verify-templates
on:
  push:
  pull_request:
  schedule:
    - cron: '0 14 * * *'
jobs:

  build:
    name: Test generated project
    runs-on: ubuntu-latest
    strategy:
      fail-fast: false
      matrix:
        db: [mongo, mysql, postgres]
        frontend: [angular, vue, react]
    steps:
      - name: Checkout project
        uses: actions/checkout@v4
      - name: Set up Go
        uses: actions/setup-go@v5
        with:
          go-version: '1.22'
      - name: Generate application
        run: go run main.go init --db ${{ matrix.db }} --frontend ${{ matrix.frontend }} app
      - name: Start the application
        run: cd app && docker compose up -d
      - name: Check availability of backend
        run: timeout 60 bash -c 'until curl -s localhost:8080/api/technologies | grep Go > /dev/null; do sleep 1; done'
      - name: Check availability of frontend
        run: |
          npm i puppeteer
          cat > index.js << EOF
          const puppeteer = require('puppeteer');
          (async () => {
            try {
              const browser = await puppeteer.launch({
                headless: "new",
                args: ['--no-sandbox', '--disable-setuid-sandbox']
              });
              const page = await browser.newPage();
              await page.goto('http://localhost:8080');
              page.on('console', (message) => { 
                console.log('Console ' + message.type().toUpperCase() + ': ' + message.text());
              });
              await page.waitForSelector('.technologies', { timeout: 60000 });
              const content = await page.content();
              console.log(content);
              await browser.close();
            } catch (error) {
              console.error('Error:', error);
              throw error;
            }
          })();
          EOF
          node index.js
      - name: Stop application
        run: cd app && docker compose down
        if: always()

The same workflow, on Latchkey

Removes redundant runs and caps runaway jobs. Added and changed lines are highlighted.

name: verify-templates
on:
  push:
  pull_request:
  schedule:
    - cron: '0 14 * * *'
concurrency:
  group: ${{ github.workflow }}-${{ github.ref }}
  cancel-in-progress: true
 
jobs:
 
  build:
    timeout-minutes: 30
    name: Test generated project
    runs-on: latchkey-small
    strategy:
      fail-fast: false
      matrix:
        db: [mongo, mysql, postgres]
        frontend: [angular, vue, react]
    steps:
      - name: Checkout project
        uses: actions/checkout@v4
      - name: Set up Go
        uses: actions/setup-go@v5
        with:
          go-version: '1.22'
      - name: Generate application
        run: go run main.go init --db ${{ matrix.db }} --frontend ${{ matrix.frontend }} app
      - name: Start the application
        run: cd app && docker compose up -d
      - name: Check availability of backend
        run: timeout 60 bash -c 'until curl -s localhost:8080/api/technologies | grep Go > /dev/null; do sleep 1; done'
      - name: Check availability of frontend
        run: |
          npm i puppeteer
          cat > index.js << EOF
          const puppeteer = require('puppeteer');
          (async () => {
            try {
              const browser = await puppeteer.launch({
                headless: "new",
                args: ['--no-sandbox', '--disable-setuid-sandbox']
              });
              const page = await browser.newPage();
              await page.goto('http://localhost:8080');
              page.on('console', (message) => { 
                console.log('Console ' + message.type().toUpperCase() + ': ' + message.text());
              });
              await page.waitForSelector('.technologies', { timeout: 60000 });
              const content = await page.content();
              console.log(content);
              await browser.close();
            } catch (error) {
              console.error('Error:', error);
              throw error;
            }
          })();
          EOF
          node index.js
      - name: Stop application
        run: cd app && docker compose down
        if: always()

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 uses latchkey-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
Network fetches

This workflow runs 1 job (9 with the matrix expanded) per trigger. On Latchkey the same minutes cost up to 58% less than GitHub-hosted, with zero queue time.

Actions used in this workflow

actions/checkout actions/setup-go