Update Postgres image and explicitly set timezone

docker-compose.yml

@@ -20,7 +20,7 @@ services:
       - POSTGRES_PASSWORD=aura
 
   postgres:
-    image: postgres:13.6-bullseye
+    image: postgres:13.7-bullseye
     container_name: steering-postgres
     volumes:
       - postgres_data:/var/lib/postgresql/data
@@ -28,6 +28,7 @@ services:
       - POSTGRES_USER=steering
       - POSTGRES_PASSWORD=aura
       - POSTGRES_DB=steering
+      - TZ=Europe/Vienna
     expose:
       - "5432"