Add GitHub Actions workflow for backend deployment

Author: SWCIITGWeb

.github/workflows/deploy-backend.yml

@@ -0,0 +1,25 @@
+name: Deploy Backend
+
+# Controls when the action will run. Workflow runs when manually triggered using the UI
+# or API.
+on:
+  workflow_dispatch:
+
+
+# A workflow run is made up of one or more jobs that can run sequentially or in parallel
+jobs:
+  build:
+    name: Building and Deploying Backend
+    runs-on: ubuntu-latest
+    steps:
+    - name: Establish ssh connection
+      uses: appleboy/ssh-action@master
+      with:
+        host: ${{ secrets.SSH_HOST }}
+        key: ${{ secrets.SSH_KEY }}
+        passphrase: ${{ secrets.SSH_PASSPHRASE }}
+        port: ${{ secrets.SSH_PORT }}
+        username: ${{ secrets.SSH_USERNAME }}
+        script: |
+            cd /webapps/swc_website/backend
+            docker compose -f docker-compose.yml up -d --build