fix docker build for prisma env

docker-compose.yml

@@ -13,7 +13,10 @@ services:
       - workparking_pgdata:/var/lib/postgresql/data
 
   workparking:
-    build: .
+    build:
+      context: .
+      args:
+        DATABASE_URL: postgresql://workparking:change_me_strong_password@db:5432/workparking?schema=public
     container_name: workparking
     restart: unless-stopped
     environment: