diff --git a/.gitignore b/.gitignore
index c6d6010..4c45feb 100644
--- a/.gitignore
+++ b/.gitignore
@@ -4,4 +4,5 @@ terraform.tfstate.backup
 .vscode/settings.json
 inventory.yml
 outputs.tf
-variables.yml
\ No newline at end of file
+variables.yml
+terraform.tfvars
\ No newline at end of file
diff --git a/playbook.yml b/playbook.yml
index df0e638..00f3e1c 100644
--- a/playbook.yml
+++ b/playbook.yml
@@ -37,8 +37,8 @@
     - name: Log in to DockerHub
       become_user: ubuntu
       community.docker.docker_login:
-        username: {{ lookup('env', 'DOCKER_USER') }}
-        password: {{ lookup('env', 'DOCKER_KEY') }}
+        username: "{{ lookup('env', 'DOCKER_USER') }}"
+        password: "{{ lookup('env', 'DOCKER_KEY') }}"
     
     - name: Install Docker Watchtower
       community.docker.docker_container: