Fix local Docker runner (no rg) and force mounted backend URLs

docs/hf.md

@@ -32,6 +32,8 @@ Run the Docker image locally before pushing to HF:
 
 Then open `http://localhost:7860` and click **Start Conversation**.
 
+Note: the local Docker runner forces `FRONTEND_WEBSOCKET_URL` to use the mounted backend (`/api/ws/conversation`) so you don’t accidentally point at `localhost:8000`.
+
 If `7860` is already in use locally, run:
 
 ```bash

run_docker_local.sh

@@ -13,7 +13,7 @@ docker build -t "${IMAGE_NAME}" "${ROOT_DIR}"
 port_in_use() {
   local port="$1"
   if command -v ss >/dev/null 2>&1; then
-    ss -ltn "sport = :${port}" 2>/dev/null | rg -q ":${port}\\b" && return 0 || return 1
+    ss -ltn "sport = :${port}" 2>/dev/null | grep -q ":${port}\\b" && return 0 || return 1
   fi
   if command -v lsof >/dev/null 2>&1; then
     lsof -nP -iTCP:"${port}" -sTCP:LISTEN >/dev/null 2>&1 && return 0 || return 1
@@ -53,9 +53,16 @@ if [[ -f "${ROOT_DIR}/.env" ]]; then
   ENV_ARGS+=(--env-file "${ROOT_DIR}/.env")
 fi
 
+# The app runs as a single process with the backend mounted at `/api`, so the
+# in-container websocket target must point at the same server, not :8000.
+INTERNAL_WS_URL="ws://127.0.0.1:${CONTAINER_PORT}/api/ws/conversation"
+INTERNAL_API_BASE="http://127.0.0.1:${CONTAINER_PORT}/api"
+
 echo "Running container on http://localhost:${HOST_PORT}"
 exec docker run --rm -it \
   -p "${HOST_PORT}:${CONTAINER_PORT}" \
   -e "PORT=${CONTAINER_PORT}" \
+  -e "FRONTEND_WEBSOCKET_URL=${INTERNAL_WS_URL}" \
+  -e "FRONTEND_BACKEND_BASE_URL=${INTERNAL_API_BASE}" \
   "${ENV_ARGS[@]}" \
   "${IMAGE_NAME}"