Update Dockerfile

Dockerfile

@@ -29,7 +29,7 @@ RUN chmod -R 777 /app/data
 # Copy Custom Endpoints Config
 user root
 RUN apk add curl
-RUN --mount=type=secret,id=CONFIG_PATH,mode=0444,required=true && RUN curl -o /app/librechat.yaml $(cat /secrets/CONFIG_PATH)
+RUN --mount=type=secret,id=CONFIG_PATH,mode=0444,required=true && curl -o /app/librechat.yaml $(cat /secrets/CONFIG_PATH) && chmod 777 /app/librechat.yaml
 user node
 # Install dependencies
 RUN cd /app/api && npm install