CI: add deployment pipeline

Author: saral-gupta7

.github/workflows/deploy.yml

@@ -0,0 +1,40 @@
+name: Deploy to VPS
+
+on:
+    push:
+        branches:
+            - main
+
+jobs:
+    deploy:
+        name: Deploy via SSH
+        runs-on: ubuntu-latest
+
+        steps:
+            - name: Checkout Code
+              uses: actions/checkout@v4
+
+            - name: Deploy to VPS
+              uses: appleboy/ssh-action@v1.0.3
+              with:
+                  host: ${{ secrets.VPS_HOST }}
+                  username: ${{ secrets.VPS_USER }}
+                  key: ${{ secrets.VPS_SSH_KEY }}
+                  port: ${{ secrets.VPS_PORT }}
+                  script: |
+                      echo ">>> Navigating to project directory"
+                      cd ${{ secrets.VPS_PROJECT_PATH }}
+
+                      echo ">>> Pulling latest changes from main"
+                      git pull origin main
+
+                      echo ">>> Stopping running containers"
+                      docker compose down
+
+                      echo ">>> Rebuilding and starting containers"
+                      docker compose up -d --build
+
+                      echo ">>> Cleaning up unused Docker resources"
+                      docker image prune -f
+
+                      echo ">>> Deployment complete!"