Add documentation about using development server behind a proxy #603 (#…

…688)

* Add documentation to launch development server behind a proxy #603

* Update getting-started-installation.md

* Update getting-started-installation.md

docs/getting-started-installation.md

@@ -28,18 +28,18 @@ root-of-repo
 │   ├── doc3.md
 │   ├── exampledoc4.md
 │   └── exampledoc5.md
-├── website
-│   ├── blog-examples-from-docusaurus
-│   │   ├── 2016-03-11-blog-post.md
-│   │   └── 2017-04-10-blog-post-two.md
-│   ├── core
-│   │   └── Footer.js
-│   ├── node_modules
-│   ├── package.json
-│   ├── pages
-│   ├── sidebars.json
-│   ├── siteConfig.js
-│   └── static
+└── website
+    ├── blog-examples-from-docusaurus
+    │   ├── 2016-03-11-blog-post.md
+    │   └── 2017-04-10-blog-post-two.md
+    ├── core
+    │   └── Footer.js
+    ├── node_modules
+    ├── package.json
+    ├── pages
+    ├── sidebars.json
+    ├── siteConfig.js
+    └── static
 ```
 
 Running the Docusaurus initialization script, `docusaurus-init`, produces a runnable, example website to base your site upon.
@@ -51,3 +51,12 @@ Running the Docusaurus initialization script, `docusaurus-init`, produces a runn
 1. Load the example site at http://localhost:3000. You should see the example site loaded in your web browser.
 
 ![](/img/getting-started-preparation-verify.png)
+
+### Launching the server behind a proxy
+
+If you are behind a corporate proxy, you need to disable it for the development server requests. It can be done using the `NO_PROXY` environment variable.
+
+```sh
+SET NO_PROXY=localhost
+yarn start (or npm run start)
+```