add deployment workflow

.forgejo/workflows/deploy.yml

@@ -0,0 +1,103 @@
+# Forgejo Actions Workflow for Hugo Blog Auto-Deployment                                                                                                            
+#                                                                                                                                                                   
+# This workflow automatically builds and deploys your Hugo site when you push to main                                                                               
+                                                                                                                                                                    
+name: Build and Deploy Hugo Site                                                                                                                                    
+                                                                                                                                                                    
+on:                                                                                                                                                                 
+  push:                                                                                                                                                             
+    branches:
+      - main
+  workflow_dispatch:  # Allow manual triggering
+
+jobs:
+  deploy:
+    runs-on: docker
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+        with:
+          submodules: recursive  # Required for Hugo themes
+          fetch-depth: 0         # Fetch full history for .GitInfo and .Lastmod
+
+      - name: Generate timestamp
+        id: timestamp
+        run: echo "BUILD_TIME=$(date +%Y%m%d-%H%M%S)" >> $GITHUB_OUTPUT
+
+      - name: Set up Go
+        uses: actions/setup-go@v5
+        with:
+          go-version: '1.24'
+          cache: true
+
+      - name: Install Hugo
+        run: |
+          go install -tags extended github.com/gohugoio/hugo@latest
+          echo "$(go env GOPATH)/bin" >> $GITHUB_PATH
+
+      - name: Verify Hugo installation
+        run: hugo version
+
+      - name: Build Hugo site
+        run: hugo --minify
+
+      - name: Set up SSH
+        run: |
+          mkdir -p ~/.ssh
+          echo "${{ secrets.SSH_PRIVATE_KEY }}" > ~/.ssh/deploy_key
+          chmod 600 ~/.ssh/deploy_key
+          echo "${{ vars.SSH_KNOWN_HOSTS }}" > ~/.ssh/known_hosts
+
+      - name: Create deployment directory 
+        env:
+          SSH_HOST: ${{ vars.SSH_HOST }}
+          SSH_USER: ${{ vars.SSH_USER }}
+          SSH_PORT: ${{ vars.SSH_PORT }}
+          DEPLOY_PATH: ${{ vars.DEPLOY_PATH }}
+          BUILD_TIME: ${{ steps.timestamp.outputs.BUILD_TIME }}
+        run: |
+          ssh -i ~/.ssh/deploy_key -p ${SSH_PORT} ${SSH_USER}@${SSH_HOST} \
+            "mkdir -p ${DEPLOY_PATH}-${BUILD_TIME}"
+
+      - name: Deploy via SCP
+        env:
+          SSH_HOST: ${{ vars.SSH_HOST }}
+          SSH_USER: ${{ vars.SSH_USER }}
+          SSH_PORT: ${{ vars.SSH_PORT }}
+          DEPLOY_PATH: ${{ vars.DEPLOY_PATH }}
+          BUILD_TIME: ${{ steps.timestamp.outputs.BUILD_TIME }}
+        run: |
+          scp -i ~/.ssh/deploy_key -P ${SSH_PORT} -r public/* \
+            ${SSH_USER}@${SSH_HOST}:${DEPLOY_PATH}-${BUILD_TIME}/
+
+
+      - name: Update symlink
+        env:
+          SSH_HOST: ${{ vars.SSH_HOST }}
+          SSH_USER: ${{ vars.SSH_USER }}
+          SSH_PORT: ${{ vars.SSH_PORT }}
+          DEPLOY_PATH: ${{ vars.DEPLOY_PATH }}
+          BUILD_TIME: ${{ steps.timestamp.outputs.BUILD_TIME }}
+        run: |
+          ssh -i ~/.ssh/deploy_key -p ${SSH_PORT} ${SSH_USER}@${SSH_HOST} \
+            "ln -sfn ${DEPLOY_PATH}-${BUILD_TIME} ${DEPLOY_PATH}"
+
+      - name: Clean up old deployments
+        env:
+          SSH_HOST: ${{ vars.SSH_HOST }}
+          SSH_USER: ${{ vars.SSH_USER }}
+          SSH_PORT: ${{ vars.SSH_PORT }}
+          DEPLOY_PATH: ${{ vars.DEPLOY_PATH }}
+        run: |
+          ssh -i ~/.ssh/deploy_key -p ${SSH_PORT} ${SSH_USER}@${SSH_HOST} \
+            "cd $(dirname ${DEPLOY_PATH}) && ls -dt public-* | tail -n +6 | xargs rm -rf"
+        continue-on-error: true  # Don't fail if cleanup fails
+
+      - name: Deployment summary
+        run: |
+          echo "✅ Hugo site deployed successfully!"
+          echo "Build time: ${{ steps.timestamp.outputs.BUILD_TIME }}"
+          echo "Deployed to: ${{ vars.SSH_HOST }}"
+
+