SDLC Guide (GitHub Pages)

Single-page educational site that teaches engineering teams the Software Development Life Cycle (SDLC). Built to run on GitHub Pages with no unsupported plugins.

Run locally

1. Install Ruby and Bundler (GitHub Pages ships with Jekyll).
2. From the repo root:

   bundle exec jekyll serve

3. Open http://localhost:4000 to view.

Publish on GitHub Pages

1. Push this repository to GitHub.
2. In your repo: Settings → Pages.
3. Source: Deploy from a branch.
4. Branch: main, Folder: / (root).
5. Save. GitHub Pages will build automatically.

Print / Export PDF

• Use the “Print / PDF” button in the header or press Cmd/Ctrl + P.
• Print stylesheet forces a light theme, hides navigation and buttons, and avoids page breaks inside cards/tables for clean A4/Letter PDFs.

Dark mode

• Uses CSS variables with prefers-color-scheme as the default.
• Toggle in the header updates data-theme and persists preference in localStorage.
• Print mode always uses the light palette for readability.

Update content

• Edit index.md for page content.
• Update colors, spacing, or typography in assets/css/style.css.
• Adjust theme toggle logic in assets/js/theme.js.