Add SSH deployment workflow

.github/workflows/deploy-homelab.yml

@@ -0,0 +1,54 @@
+name: "Deploy to Homelab"
+
+on:
+  push:
+    branches:
+      - main
+  workflow_dispatch:
+
+jobs:
+  deploy:
+    runs-on: ubuntu-latest
+
+    steps:
+    - name: Check out repository
+      uses: actions/checkout@v3
+
+    # See documentation: https://github.com/tailscale/github-action?tab=readme-ov-file
+    - name: Connect to Tailscale
+      uses: tailscale/github-action@v4
+      with:
+        oauth-client-id: ${{ secrets.TS_OAUTH_CLIENT_ID }}
+        oauth-secret: ${{ secrets.TS_OAUTH_CLIENT_SECRET }}
+        tags: tag:ci
+
+
+    - name: Set up SSH key
+      run: |
+        mkdir -p ~/.ssh
+        echo "${{ secrets.SSH_PRIVATE_KEY }}" > ~/.ssh/id_ed25519
+        chmod 600 ~/.ssh/id_ed25519
+        ssh-keyscan ${{ vars.HOST }} >> ~/.ssh/known_hosts
+
+    - name: Remove directory from server
+      run: |
+        ssh -i ~/.ssh/id_ed25519 ${{ vars.USERNAME }}@${{ vars.HOST }} << 'EOF'
+          rm -rf ~/${{ vars.DIRECTORY_NAME }}
+        EOF
+
+    # Avoid needing to set up SSH access to GitHub for this user
+    - name: Transfer repository files to server
+      run: |
+        scp -i ~/.ssh/id_ed25519 -r ./* ${{ vars.USERNAME }}@${{ vars.HOST }}:~/${{ vars.DIRECTORY_NAME }}
+
+    - name: Deploy on server with Docker
+      run: |
+        ssh -i ~/.ssh/id_ed25519 ${{ vars.USERNAME }}@${{ vars.HOST }} << 'EOF'
+          cd ~/${{ vars.DIRECTORY_NAME }}
+          export TRUST_PROXY=true
+          export COOKIE_SECURE=true
+          export JWT_SECRET=${{ secrets.JWT_SECRET }}
+          docker compose -f docker-compose.yml down
+          docker compose -f docker-compose.yml up -d --build
+        EOF
+