# Bedrock + Sage 9 + Docker. Webpack / Browsersync doesn't catch file changes

**URL:** https://discourse.roots.io/t/bedrock-sage-9-docker-webpack-browsersync-doesnt-catch-file-changes/9063
**Category:** sage
**Tags:** sage9, browsersync, webpack
**Created:** 2017-03-12T19:26:02Z
**Posts:** 7
**Showing post:** 7 of 7

## Post 7 by @falc0nline1 — 2018-11-09T15:20:26Z

> [@kalenjohnson](#):
>
> watch-poll

Sorry, missed your message. Thanks for providing additional info.  
I develop on macOS. Anyway, I found a solution:

1. nginx `sendfile off;`
2. `devServer: { watchOptions: { poll: true, }, },`

> [@BrowserSync Not Watching Changes in Docker for Windows](https://discourse.roots.io/t/browsersync-not-watching-changes-in-docker-for-windows/11275):
>
> Hello, This issue is in regards to sage 9.0.0-beta.4 and Docker for Windows. Up to this point I’ve been using Sage 9 inside Docker for Mac containers and it’s been running well. I’m looking to expand its usage to a few of my team members and in doing so I’ve begun testing different environments, specifically Docker for Windows. File changes are not seen or compiled in Docker for Windows unless they originate from within the container. This suggests a polling issue. I initially added polling …

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