Exposing data path to support sqlite volume maps

Dockerfile

@@ -20,6 +20,8 @@ RUN uv sync --no-dev
 COPY . .
 RUN chmod +x entrypoint.sh
 
+# If sqlite3 is used
+VOLUME /data
 EXPOSE 8000
 
 # Seeds perms/roles/superuser (idempotent, no-op if already present), then runs the API server.