use .cluster.env instead of .env to prevent clashing

.gitlab-ci.yml

@@ -71,7 +71,7 @@ create-vps:
     when: always
     reports:
       dotenv:
-        $CLUSTER_DIR/.env
+        $CLUSTER_DIR/.cluster.env
   only:
     changes:
       - .gitlab-ci.yml

openappstack/cluster.py

@@ -171,6 +171,7 @@ IP_ADDRESS={ip_address}
 HOSTNAME={hostname}
 DOMAIN={domain}
 LOCAL_FLUX={local_flux}
+KUBECONFIG={secret_dir}/kube_config_cluster.yml
 """
 
         with open(self.dotenv_file, 'w') as stream:
@@ -181,6 +182,7 @@ LOCAL_FLUX={local_flux}
                 hostname=self.hostname,
                 domain=self.domain,
                 local_flux=self.local_flux
+                secret_dir=self.secret_dir
             ))
             log.info("Created %s", self.dotenv_file)
 
@@ -205,8 +207,8 @@ LOCAL_FLUX={local_flux}
 
     @property
     def dotenv_file(self):
-        """Path to the .env file with relevant environment variables"""
-        return os.path.join(self.cluster_dir, '.env')
+        """Path to the .cluster.env file with relevant environment variables"""
+        return os.path.join(self.cluster_dir, '.cluster.env')
 
 
     @property