diff --git a/docker-compose.dist.yml b/docker-compose.dist.yml
index b71240a..5c4fd16 100644
--- a/docker-compose.dist.yml
+++ b/docker-compose.dist.yml
@@ -50,7 +50,7 @@ services:
     restart: 'no'
     container_name: pgadmin_${APP_NAME}
     ports:
-      - ${PG_ADMIN_PORT}:80
+      - ${PG_ADMIN_PORT}:${PG_ADMIN_PORT}
     volumes:
       - pgadmin:/var/lib/pgadmin:rw
     environment:
@@ -99,6 +99,14 @@ services:
 
 volumes:
   pgsql:
+    name: pgsql_${APP_NAME}
+    external: false
   mysql:
+    name: mysql_${APP_NAME}
+    external: false
   mysql_legacy:
+    name: mysql_legacy_${APP_NAME}
+    external: false
   pgadmin:
+    name: pgadmin_${APP_NAME}
+    external: false