Update workflow

.github/workflows/push.yml

@@ -32,17 +32,18 @@ jobs:
       - name: Checkout code
         uses: actions/checkout@v3
 
-      - name: Set up SSH agent
-        uses: webfactory/[email protected]
-        with:
-          ssh-private-key: ${{ secrets.SSH_PRIVATE_KEY }}
-
-      - name: Add server's SSH public key to known_hosts
+      - name: Add server's SSH private key
         run: |
           mkdir -p ~/.ssh
           echo "${{ secrets.SSH_PRIVATE_KEY }}" > ~/.ssh/id_ed25519
           chmod 600 ~/.ssh/id_ed25519
 
+      - name: Add server's SSH public key to known_hosts
+        run: |
+          mkdir -p ~/.ssh
+          ssh-keyscan -H ${{secrets.SERVER_HOST}} >> ~/.ssh/known_hosts
+          chmod 644 ~/.ssh/known_hosts
+
       - name: Deploy application
         run: |
           ssh -i ~/.ssh/id_ed25519 -p ${{secrets.SERVER_SSH_PORT}} ${{secrets.SERVER_SSH_USERNAME}}@${{secrets.SERVER_HOST}} "your deployment commands here"