README: fix the explanation of how it performs updatehub-ce-server

Signed-off-by: Christian Tavares <[email protected]>

README.md

@@ -27,9 +27,8 @@ docker run -d -p 8080:8080 updatehub/updatehub-ce-server:latest
 
 ## Development setup
 
-The `updatehub-ce-server` uses `glide` to manage its dependencies. The
-easiest way to install its latest release on Mac or Linux is with the
-following script:
+The `updatehub-ce-server` uses `glide` to manage its dependencies and `npm` to build the web UI for the server.
+The easiest way to install its latest release on Mac or Linux is with the following script:
 
 ```
 $ curl https://glide.sh/get | sh
@@ -38,23 +37,42 @@ $ curl https://glide.sh/get | sh
 On Mac OS X you can also install the latest release via Homebrew:
 
 ```
-$ brew install glide
+$ brew install glide node
 ```
 
 On Ubuntu Precise (12.04), Trusty (14.04), Wily (15.10) or Xenial (16.04) you can install from our PPA:
 
 ```
-sudo add-apt-repository ppa:masterminds/glide && sudo apt-get update
-sudo apt-get install glide
+$ sudo add-apt-repository ppa:masterminds/glide && sudo apt-get update
+$ sudo apt-get install glide nodejs npm
 ```
 
-After that, you can build `updatehub-ce-server` as:
+After that, need to install `packr` that is a simple solution for bundling static assets inside of Go binaries use
+by `updatehub-ce-server`.
+
+To install Packr utility and the dependencies:
+
+```
+$ go get -u github.com/gobuffalo/packr/packr
+$ go get -u github.com/gobuffalo/packr
+```
+
+
+Finally, you can build `updatehub-ce-server` as:
 
 ```
+$ cd <YOUR-UPDATEHUB-CE-SERVER-PATH>/ui/ && npm install && npm run build && cd ..
+$ packr install
 $ go build
 $ go install
 ```
 
+Now you can run the `updatehub-ce-server` as:
+
+```
+./updatehub-ce-server --http 8080
+```
+
 ## License
 
 Licensed under MIT, ([LICENSE](LICENSE) or https://opensource.org/licenses/MIT).