fix varname

tasks/main.yml

@@ -13,7 +13,7 @@
     name: "{{keycloak_pg_db}}"
     login_host: "{{keycloak_pg_host}}"
     login_user: "{{postgres_user}}"
-    login_password: "{{postgres_pass}}"
+    login_password: "{{postgres_password}}"
 
 - name: Create driver directory
   file: