fix database volume path for PG 18

docker-compose.prod.yml

@@ -42,7 +42,7 @@ services:
     secrets:
       - db_password
     volumes:
-      - postgres_data_prod:/var/lib/postgresql/data
+      - postgres_data_prod:/var/lib/postgresql
     ports:
       - "5001:5432"
     restart: unless-stopped

docker-compose.yml

@@ -10,7 +10,7 @@ services:
       POSTGRES_PASSWORD: postgres
       POSTGRES_DB: mv_dev
     volumes:
-      - postgres-data:/var/lib/postgresql/data
+      - postgres-data:/var/lib/postgresql
     ports:
       - "5000:5432"
     networks: