From ba5b42e5168fb5fb7aab905eaeb18c5027f9f18e Mon Sep 17 00:00:00 2001
From: Nattapong Tapachoom <Nattapong_Jonus@outlook.com>
Date: Fri, 27 Mar 2026 09:37:13 +0700
Subject: [PATCH 1/2] Fix GitHub Pages deployment workflow

---
 .github/workflows/deploy.yml | 62 ------------------------------------
 .github/workflows/pages.yml  |  7 ++--
 README.md                    |  2 +-
 3 files changed, 6 insertions(+), 65 deletions(-)
 delete mode 100644 .github/workflows/deploy.yml

diff --git a/.github/workflows/deploy.yml b/.github/workflows/deploy.yml
deleted file mode 100644
index d3d0130..0000000
--- a/.github/workflows/deploy.yml
+++ /dev/null
@@ -1,62 +0,0 @@
-name: Deploy to GitHub Pages
-
-on:
-  push:
-    branches: [main]
-  workflow_dispatch:
-
-permissions:
-  contents: read
-  pages: write
-  id-token: write
-
-concurrency:
-  group: "pages"
-  cancel-in-progress: false
-
-jobs:
-  build:
-    runs-on: ubuntu-latest
-    steps:
-      - name: Checkout
-        uses: actions/checkout@v4
-
-      - name: Install Rust
-        uses: dtolnay/rust-toolchain@stable
-
-      - name: Cache cargo dependencies
-        uses: actions/cache@v4
-        with:
-          path: |
-            ~/.cargo/bin
-            ~/.cargo/registry/index
-            ~/.cargo/registry/cache
-            ~/.cargo/git/db
-            target
-          key: ${{ runner.os }}-cargo-${{ hashFiles('**/Cargo.lock') }}
-          restore-keys: |
-            ${{ runner.os }}-cargo-
-
-      - name: Install mdbook and dependencies
-        run: |
-          cargo install mdbook --force || cargo install mdbook
-          cargo install mdbook-mermaid --force || cargo install mdbook-mermaid
-
-      - name: Build documentation
-        run: cargo xtask deploy
-
-      - name: Upload artifact
-        uses: actions/upload-pages-artifact@v3
-        with:
-          path: ./docs
-
-  deploy:
-    environment:
-      name: github-pages
-      url: ${{ steps.deployment.outputs.page_url }}
-    runs-on: ubuntu-latest
-    needs: build
-    steps:
-      - name: Deploy to GitHub Pages
-        id: deployment
-        uses: actions/deploy-pages@v4
diff --git a/.github/workflows/pages.yml b/.github/workflows/pages.yml
index 231155a..3df6c27 100644
--- a/.github/workflows/pages.yml
+++ b/.github/workflows/pages.yml
@@ -24,6 +24,9 @@ jobs:
       - name: Install Rust
         uses: dtolnay/rust-toolchain@stable
 
+      - name: Configure GitHub Pages
+        uses: actions/configure-pages@v5
+
       - name: Cache cargo dependencies
         uses: actions/cache@v4
         with:
@@ -39,8 +42,8 @@ jobs:
 
       - name: Install mdbook and dependencies
         run: |
-          cargo install mdbook
-          cargo install mdbook-mermaid
+          cargo install mdbook --force || cargo install mdbook
+          cargo install mdbook-mermaid --force || cargo install mdbook-mermaid
 
       - name: Build documentation
         run: cargo xtask deploy
diff --git a/README.md b/README.md
index 7343f85..7ea04f3 100644
--- a/README.md
+++ b/README.md
@@ -98,6 +98,6 @@ cd c-cpp-book && mdbook serve --open    # http://localhost:3000
 
 ### Deployment
 
-The site auto-deploys to GitHub Pages on push to `master` via `.github/workflows/pages.yml`. No manual steps needed.
+The site auto-deploys to GitHub Pages on push to `main` via `.github/workflows/pages.yml`. No manual steps needed.
 
 </details>

From 801357a31558ebf99ade2e33a914a349f8485a96 Mon Sep 17 00:00:00 2001
From: Nattapong Tapachoom <Nattapong_Jonus@outlook.com>
Date: Fri, 27 Mar 2026 09:54:13 +0700
Subject: [PATCH 2/2] Apply suggestions from code review

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>
---
 .github/workflows/pages.yml | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/.github/workflows/pages.yml b/.github/workflows/pages.yml
index 3df6c27..2ee0c35 100644
--- a/.github/workflows/pages.yml
+++ b/.github/workflows/pages.yml
@@ -42,8 +42,8 @@ jobs:
 
       - name: Install mdbook and dependencies
         run: |
-          cargo install mdbook --force || cargo install mdbook
-          cargo install mdbook-mermaid --force || cargo install mdbook-mermaid
+          cargo install mdbook
+          cargo install mdbook-mermaid
 
       - name: Build documentation
         run: cargo xtask deploy