[postgres] fix variable names (#182)

Author: powerdude

roles/postgres/defaults/main.yml

@@ -58,7 +58,7 @@ postgres_docker_envs_default:
   POSTGRES_DB: "{{ lookup('vars', postgres_name + '_docker_env_db', default=postgres_docker_env_db) }}"
 postgres_docker_envs_custom: {}
 postgres_docker_envs: "{{ lookup('vars', postgres_name + '_docker_envs_default', default=postgres_docker_envs_default)
-                          | combine(lookup('vars', postgres_name + '_dockerenvs_custom', default=postgres_docker_envs_custom)) }}"
+                          | combine(lookup('vars', postgres_name + '_docker_envs_custom', default=postgres_docker_envs_custom)) }}"
 
 # Commands
 postgres_docker_commands_default: []
@@ -72,7 +72,7 @@ postgres_docker_volumes_default:
   - "/etc/passwd:/etc/passwd:ro"
 postgres_docker_volumes_custom: []
 postgres_docker_volumes: "{{ lookup('vars', postgres_name + '_docker_volumes_default', default=postgres_docker_volumes_default)
-                             + lookup('vars', postgres_name + '_dockervolumes_custom', default=postgres_docker_volumes_custom) }}"
+                             + lookup('vars', postgres_name + '_docker_volumes_custom', default=postgres_docker_volumes_custom) }}"
 
 # Devices
 postgres_docker_devices_default: []