ci: add specific_host input for multi-server deployment

.github/workflows/deploy-manager.yml

@@ -18,12 +18,18 @@ on:
           - preprod
           - prod
         default: 'dev'
+      specific_host:
+        description: 'Specific Server IP (Optional)'
+        required: false
+        type: string
+        default: ''
       force_restart:
         description: 'Force Service Restart'
         required: true
         type: boolean
         default: true
 
+
 jobs:
   deploy:
     runs-on: ubuntu-latest
@@ -83,7 +89,7 @@ jobs:
         if: steps.context.outputs.ENV != ''
         uses: appleboy/ssh-action@v1.0.0
         with:
-          host: ${{ secrets.HYDRA_HOST }}
+          host: ${{ inputs.specific_host != '' && inputs.specific_host || secrets.HYDRA_HOST }}
           username: ${{ secrets.HYDRA_USER }}
           key: ${{ secrets.HYDRA_SSH_KEY }}
           port: 22