ci: add deploy workflow for Gitea Actions

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

.gitea/workflows/demo.yaml

@@ -1,19 +0,0 @@
-name: Gitea Actions Demo
-run-name: ${{ gitea.actor }} is testing out Gitea Actions 🚀
-on: [push]
-
-jobs:
-  Explore-Gitea-Actions:
-    runs-on: aliyun
-    steps:
-      - run: echo "🎉 The job was automatically triggered by a ${{ gitea.event_name }} event."
-      - run: echo "🐧 This job is now running on a ${{ runner.os }} server hosted by Gitea!"
-      - run: echo "🔎 The name of your branch is ${{ gitea.ref }} and your repository is ${{ gitea.repository }}."
-      # - name: Check out repository code
-      #   uses: actions/checkout@v4
-      # - run: echo "💡 The ${{ gitea.repository }} repository has been cloned to the runner."
-      # - run: echo "🖥️ The workflow is now ready to test your code on the runner."
-      # - name: List files in the repository
-      #   run: |
-      #     ls ${{ gitea.workspace }}
-      - run: echo "🍏 This job's status is ${{ job.status }}."

.gitea/workflows/deploy.yaml

@@ -0,0 +1,37 @@
+name: Deploy Slides
+run-name: ${{ gitea.actor }} deployed slides
+
+on:
+  push:
+    branches: [main]
+
+jobs:
+  build-and-deploy:
+    runs-on: aliyun
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Setup Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version: 22
+
+      - name: Install pnpm
+        run: npm install -g pnpm
+
+      - name: Install dependencies
+        run: pnpm install --frozen-lockfile
+
+      - name: Build all decks
+        run: pnpm run build
+
+      - name: Deploy to nginx
+        run: |
+          docker rm -f slides-nginx 2>/dev/null || true
+          docker run -d \
+            --name slides-nginx \
+            --restart unless-stopped \
+            -p 8080:80 \
+            -v ${{ github.workspace }}/dist:/usr/share/nginx/html:ro \
+            nginx:alpine