Create build_site.yml

Author: Saransh-cpp

.github/workflows/build_site.yml

@@ -0,0 +1,82 @@
+name: Build and deploy website
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+    branches:
+      - main
+  workflow_dispatch:
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      # Adds keys to work with other repositories used in this lesson (e.g., UCL/github-example)
+      # - uses: webfactory/ssh-agent@v0.9.0
+      #   with:
+      #     ssh-private-key: ${{ secrets.SSH_PRIVATE_KEY }}
+      - uses: actions/cache@v4 # FIXME: add apt(latex)
+        with:
+          path: vendor/bundle
+          key: ${{ runner.os }}-gems-${{ hashFiles('**/Gemfile') }}
+          restore-keys: |
+            ${{ runner.os }}-gems-
+      - uses: actions/cache@v4
+        with:
+          path: ~/.cache/pip
+          key: ${{ runner.os }}-pip-${{ hashFiles('**/requirements.txt', '.github/python/requirements.txt') }}
+          restore-keys: |
+            ${{ runner.os }}-pip-
+      - name: Install TeXLive
+        uses: DanySK/setup-texlive-action@0.1.1
+      - id: setup-python
+        name: Setup Python
+        uses: actions/setup-python@v5
+        with:
+          python-version: 3.12
+      - name: Install dependencies
+        run: |
+          sudo apt-get update
+          sudo apt-get install python3-pydot graphviz
+          python -m pip install -r .github/python/requirements.txt
+      - name: Building notes
+        run: make ready
+      - uses: ruby/setup-ruby@v1
+        with:
+          ruby-version: '3.3'
+      - name: Install bundler and dependencies
+        run: |
+          gem install bundler
+          bundle install
+      - name: Build website
+        run: bundle exec jekyll build
+      - name: Build the JupyterLite site
+        run: |
+          find . -type d -name .pytest_cache -o -name .ruff_cache -o -name .doctrees | xargs rm -rf
+          mkdir contents
+          mkdir _site/jupyter-lite
+          find ch*/ -type f -name '*.ipynb' ! -name '*.nbconvert.ipynb' -exec rsync -R {} contents/ \;
+          jupyter lite build --contents contents --output-dir _site/jupyter-lite
+      - name: Upload artifact
+        uses: actions/upload-pages-artifact@v3
+        with:
+          path: _site
+
+  deploy:
+    if: >
+      github.ref == 'refs/heads/main'
+      && github.repository == 'UCL/rsd-engineeringcourse'
+    needs: build
+    permissions:
+      pages: write
+      id-token: write
+    environment:
+      name: github-pages
+      url: ${{ steps.deployment.outputs.page_url }}
+    runs-on: ubuntu-latest
+    steps:
+      - name: Deploy to GitHub Pages
+        id: deployment
+        uses: actions/deploy-pages@v4