Update Workflow

Author: WhisperN

.github/workflows/docker-backend.yml

@@ -45,13 +45,14 @@ jobs:
           oauth-secret: $TS_OAUTH_SECRET
           tags: tag:whispern-ci
 
+      - name: Save the SSH key
+        uses: webfactory/ssh-agent@v0.9.0
+        with:
+          ssh-private-key: ${{ secrets.SSH_KEY }}
+
       - name: Execute SSH command on remote
         run: |
-          cat > key.pem <<EOF
-          ${SSH_KEY}
-          EOF
-          chmod 600 key.pem
-          ssh -i key.pem -o StrictHostKeyChecking=no nilsj@nilss-mac-mini.tailed622e.ts.net
+          ssh nilsj@nilss-mac-mini.tailed622e.ts.net
           cd ~/Projects/iot-home/deployment/backend
           gunzip -f iot-backend.tar.gz
           docker load < iot-backend.tar