fix the upload issue and add driver license upload

DOCKER.md

@@ -43,6 +43,8 @@ Notes:
 
 On startup, Docker now waits for Postgres to become healthy, runs a one-shot `migrate` service, and only then starts the selected app container. For development, that bootstrap runs `db:generate` every time, but `db:deploy` and `db:seed` only the first time for a persisted dev database, so your local data survives rebuilds and normal restarts.
 
+Uploaded assets handled by the API, including vehicle photos and company branding images, are stored in the named Docker volume `api_uploads_dev` at `/var/lib/rentaldrivego/storage` inside the container. They stay available across normal container rebuilds and restarts.
+
 Default dev platform administrator:
 
 - email: `admin@rentaldrivego.com`
@@ -188,6 +190,8 @@ Docker will:
 
 Traefik automatically picks up the containers and provisions TLS certificates. Services are live at their `https://` URLs within ~30 seconds.
 
+Uploaded assets handled by the API, including vehicle photos and company branding images, are persisted in the named Docker volume `api_uploads`, mounted inside the API container at `/var/lib/rentaldrivego/storage`. Rebuilding or redeploying the API no longer clears those files as long as that volume is kept.
+
 #### Updating after a code change
 
 Pull the latest code and rebuild only the changed service: