Mount db to volume (#6616)

- Do not bind externally

.devcontainer/docker-compose.yml

@@ -7,7 +7,7 @@ services:
     expose:
       - 5432/tcp
     volumes:
-      - ../dev/database:/var/lib/postgresql/data:z
+      - inventreedatabase:/var/lib/postgresql/data:z
     environment:
       POSTGRES_DB: inventree
       POSTGRES_USER: inventree_user
@@ -19,7 +19,6 @@ services:
       target: dev
       args:
         base_image: "mcr.microsoft.com/vscode/devcontainers/base:alpine-3.18"
-        workspace: "${containerWorkspaceFolder}"
         data_dir: "dev"
     volumes:
       - ../:/home/inventree:z
@@ -36,3 +35,6 @@ services:
 
     depends_on:
       - db
+
+volumes:
+  inventreedatabase: