docs: Add browser doc for running dev in custom port (#3675)

Fixes #3674

browser/README.md

@@ -4,34 +4,69 @@
 
 ## Installation
 
-### Install yarn:
+### Install yarn
 ```sh
-$ curl -o- -L https://yarnpkg.com/install.sh | bash
-$ yarn
+curl -o- -L https://yarnpkg.com/install.sh | bash
+yarn
 ```
 
-### Install `go-bindata` and `go-bindata-assetfs`.
+### Install `go-bindata` and `go-bindata-assetfs`
 
 If you do not have a working Golang environment, please follow [Install Golang](https://docs.minio.io/docs/how-to-install-golang)
 
 ```sh
-$ go get github.com/jteeuwen/go-bindata/...
-$ go get github.com/elazarl/go-bindata-assetfs/...
+go get github.com/jteeuwen/go-bindata/...
+go get github.com/elazarl/go-bindata-assetfs/...
 ```
 
-## Generating Assets.
+## Generating Assets
 
 ### Generate ui-assets.go
 
 ```sh
-$ yarn release
+yarn release
 ```
-This generates ui-assets.go in the current direcotry. Now do `make` in the parent directory to build the minio binary with the newly generated ui-assets.go
 
-### Run Minio Browser with live reload.
+This generates ui-assets.go in the current direcotry. Now do `make` in the parent directory to build the minio binary with the newly generated ``ui-assets.go``
+
+### Run Minio Browser with live reload
 
 ```sh
-$ yarn dev
+yarn dev
 ```
 
 Open [http://localhost:8080/minio/](http://localhost:8080/minio/) in your browser to play with the application
+
+### Run Minio Browser with live reload on custom port
+
+Edit `browser/webpack.config.js`
+
+```diff
+diff --git a/browser/webpack.config.js b/browser/webpack.config.js
+index 3ccdaba..9496c56 100644
+--- a/browser/webpack.config.js
++++ b/browser/webpack.config.js
+@@ -58,6 +58,7 @@ var exports = {
+     historyApiFallback: {
+       index: '/minio/'
+     },
++    port: 8888,
+     proxy: {
+       '/minio/webrpc': {
+        target: 'http://localhost:9000',
+@@ -97,7 +98,7 @@ var exports = {
+ if (process.env.NODE_ENV === 'dev') {
+   exports.entry = [
+     'webpack/hot/dev-server',
+-    'webpack-dev-server/client?http://localhost:8080',
++    'webpack-dev-server/client?http://localhost:8888',
+     path.resolve(__dirname, 'app/index.js')
+   ]
+ }
+```
+
+```sh
+yarn dev
+```
+
+Open [http://localhost:8888/minio/](http://localhost:8888/minio/) in your browser to play with the application

browser/webpack.config.js

@@ -58,6 +58,7 @@ var exports = {
     historyApiFallback: {
       index: '/minio/'
     },
+    port: 8888,
     proxy: {
       '/minio/webrpc': {
 	target: 'http://localhost:9000',
@@ -97,7 +98,7 @@ var exports = {
 if (process.env.NODE_ENV === 'dev') {
   exports.entry = [
     'webpack/hot/dev-server',
-    'webpack-dev-server/client?http://localhost:8080',
+    'webpack-dev-server/client?http://localhost:8888',
     path.resolve(__dirname, 'app/index.js')
   ]
 }