diff --git a/backend/server/vercel.json b/backend/server/vercel.json
deleted file mode 100644
index c45b78c..0000000
--- a/backend/server/vercel.json
+++ /dev/null
@@ -1,15 +0,0 @@
-{
-  "builds": [
-    {
-      "src": "demo/wsgi.py",
-      "use": "@vercel/python",
-      "config": { "maxLambdaSize": "15mb", "runtime": "python3.9" }
-    }
-  ],
-  "routes": [
-    {
-      "src": "/(.*)",
-      "dest": "demo/wsgi.py"
-    }
-  ]
-}
diff --git a/docker-compose-traefik.yaml b/docker-compose-traefik.yaml
index 2ea0d0d..0e88f19 100644
--- a/docker-compose-traefik.yaml
+++ b/docker-compose-traefik.yaml
@@ -21,7 +21,7 @@ services:
       - "traefik.enable=true"
 
   db:
-    image: postgres:latest
+    image: postgis/postgis:15-3.3
     restart: unless-stopped
     environment:
       POSTGRES_DB: database