update env vars for new deploy

Author: VovaStelmashchuk

.github/workflows/publish.yml

@@ -8,8 +8,9 @@ on:
 env:
     REGISTRY: ghcr.io
     DOCKER_STACK_NAME: mixdrinks
-    DEPLOY_USER: deploy
-    HOST: 167.235.52.168
+    DEPLOY_USER: root
+    HOST: ${{ vars.HOST }}
+    ROOT_SSH_PRIVATE_KEY: ${{ secrets.ROOT_SSH_PRIVATE_KEY }}
 
 jobs:
     build-and-push-image:
@@ -66,5 +67,5 @@ jobs:
                   file: docker-stack.yaml
                   host: ${{ env.HOST }}
                   user: ${{ env.DEPLOY_USER }}
-                  ssh_key: ${{ secrets.DEPLOY_SSH_PRIVATE_KEY }}
+                  ssh_key: ${{ env.ROOT_SSH_PRIVATE_KEY }}
                   env_file: ./envfile