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Add an environment variable for disabling compression on the proxy server #13205

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Add an environment variable for disabling compression on the proxy server #13205

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8 changes: 8 additions & 0 deletions docusaurus/docs/proxying-api-requests-in-development.md
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Expand Up @@ -66,6 +66,14 @@ DANGEROUSLY_DISABLE_HOST_CHECK=true

We don’t recommend this approach.

## Server Sent Events (SSE) not being received by client

This may be caused due to the fact that compression is enabled on the development server. You can try disabling compression by adding the following line to `.env.development` in the root of your project:

```
WDS_COMPRESSION=false
```

## Configuring the Proxy Manually

> Note: this feature is available with `[email protected]` and higher.
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3 changes: 2 additions & 1 deletion packages/react-scripts/config/webpackDevServer.config.js
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Expand Up @@ -20,6 +20,7 @@ const host = process.env.HOST || '0.0.0.0';
const sockHost = process.env.WDS_SOCKET_HOST;
const sockPath = process.env.WDS_SOCKET_PATH; // default: '/ws'
const sockPort = process.env.WDS_SOCKET_PORT;
const compress = process.env.WDS_COMPRESSION !== 'false';

module.exports = function (proxy, allowedHost) {
const disableFirewall =
Expand Down Expand Up @@ -50,7 +51,7 @@ module.exports = function (proxy, allowedHost) {
'Access-Control-Allow-Headers': '*',
},
// Enable gzip compression of generated files.
compress: true,
compress,
static: {
// By default WebpackDevServer serves physical files from current directory
// in addition to all the virtual build products that it serves from memory.
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