Docs & Assets workflow (LineIndent/ui)

The Docs & Assets workflow from LineIndent/ui, explained and optimized by Latchkey.

What it does

This is the Docs & Assets workflow from the LineIndent/ui 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: Docs & Assets

on:
  push:
    branches:
      - main
  pull_request:
    branches:
      - main

jobs:
  validate-generated-assets:
    name: Generate & Verify Docs and Social Cards
    runs-on: ubuntu-latest
    steps:
      - name: Checkout code
        uses: actions/checkout@v4

      - name: Set up Python
        uses: actions/setup-python@v4
        with:
          python-version: "3.12"

      - name: Install uv
        run: pip install uv

      - name: Install dependencies
        run: uv sync --group dev

      - name: Generate markdown files
        run: uv run python scripts/generate_markdown.py

      - name: Check for uncommitted changes
        run: git diff --exit-code assets/docs

      - name: Run asset verification tests
        run: uv run pytest tests/test_generated_assets.py

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: Docs & Assets
 
on:
  push:
    branches:
      - main
  pull_request:
    branches:
      - main
 
concurrency:
  group: ${{ github.workflow }}-${{ github.ref }}
  cancel-in-progress: true
 
jobs:
  validate-generated-assets:
    timeout-minutes: 30
    name: Generate & Verify Docs and Social Cards
    runs-on: latchkey-small
    steps:
      - name: Checkout code
        uses: actions/checkout@v4
 
      - name: Set up Python
        uses: actions/setup-python@v4
        with:
          cache: 'pip'
          python-version: "3.12"
 
      - name: Install uv
        run: pip install uv
 
      - name: Install dependencies
        run: uv sync --group dev
 
      - name: Generate markdown files
        run: uv run python scripts/generate_markdown.py
 
      - name: Check for uncommitted changes
        run: git diff --exit-code assets/docs
 
      - name: Run asset verification tests
        run: uv run pytest tests/test_generated_assets.py
 

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.
• 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 1 job per trigger. On Latchkey the same minutes cost up to 58% less than GitHub-hosted, with zero queue time.

Actions used in this workflow