Update deploy_regru.yml

Author: MartinMeer

.github/workflows/deploy_regru.yml

@@ -20,6 +20,11 @@ jobs:
       - name: Install sshpass
         run: sudo apt-get update && sudo apt-get install -y sshpass
 
+      - name: Add server to known hosts
+        run: |
+          mkdir -p ~/.ssh
+          ssh-keyscan -H ${{ env.SERVER_HOST }} >> ~/.ssh/known_hosts
+
       - name: Copy files to server
         env:
           SSH_PASSWORD: ${{ secrets.SSH_PASSWORD_REGRU }}