diff --git a/docker-compose.yml b/docker-compose.yml
index 128433d..41d3960 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -2,7 +2,7 @@ version: '3'
 
 services:
   db:
-    image: postgres:16
+    image: postgres:13
     volumes:
       - "./data/db/pgdata:/var/lib/postgresql/data/"
     env_file:
@@ -13,11 +13,11 @@ services:
   pgadmin:
     image: dpage/pgadmin4
     volumes:
-      - "./data/dbadmin:/var/lib/pgadmin"
+      - "./data/dbadmin/pgadmin:/var/lib/pgadmin"
     env_file:
       - ./.env
-    expose:
-      - 5050
+    ports:
+      - 5050:5050
     restart: always
     networks:
       - internal
@@ -28,8 +28,8 @@ services:
       context: ./flask
       dockerfile: Dockerfile
     command: gunicorn --bind 0.0.0.0:5000 manage:app
-    expose:
-      - 5000
+    ports:
+      - 5000:5000
     env_file:
       - ./.env
     networks:
@@ -43,11 +43,11 @@ services:
       - "DOWNLOAD_PBF=https://download.geofabrik.de/europe/bulgaria-latest.osm.pbf"
       - "DOWNLOAD_POLY=https://download.geofabrik.de/europe/bulgaria.poly"
     volumes:
-      - "./data/osmtile:/data/database/"
+      - "./data/osmtile/pgdata:/data/database/"
     command: "run"
     #command: "import"
-    expose:
-      - 8000
+    ports:
+      - 80:8000
     networks:
       - internal
     restart: always
diff --git a/flask/forest/__init__.py b/flask/forest/__init__.py
index c013629..81c5078 100644
--- a/flask/forest/__init__.py
+++ b/flask/forest/__init__.py
@@ -1,6 +1,8 @@
 import os
 import sys
 
+from json import JSONEncoder
+
 from werkzeug.utils import secure_filename
 from flask import (
     Flask,
@@ -11,9 +13,7 @@ from flask import (
     redirect,
     url_for
 )
-from flask_sqlalchemy import SQLAlchemy
-
-from flask.json import JSONEncoder
+#from flask_sqlalchemy import SQLAlchemy
 from flask_bootstrap import Bootstrap
 from flask_mail import Mail
 from flask_login import LoginManager