Update Docker config and docs

Dockerfile

@@ -1,15 +1,17 @@
 FROM node
 
-RUN npm i -g polymer-cli bower
+RUN npm i -g gulpjs/gulp#4.0
+RUN npm i -g bower
 
-RUN useradd -m node 
+RUN useradd -m node
 
 ADD . /app
 
 USER node
-WORKDIR /app 
+WORKDIR /app
 
+RUN npm install
 RUN bower install
 
-EXPOSE 8080
-CMD polymer serve
+EXPOSE 3000
+CMD gulp serve

README.md

@@ -43,7 +43,7 @@ Build:
 
 and run:
 
-    docker run -it -v "$PWD":/app -p 8080:8080 hoverboard
+    docker run -it -v "$PWD":/app -p 3000:3000 hoverboard
 
 :book: Read more in [docker docs](/docs/tutorials/docker.md).
 
@@ -65,7 +65,7 @@ and [Bower](https://bower.io/):
 
 ##### Start the development server
 
-This command serves the app at `http://localhost:8080` and provides basic URL
+This command serves the app at `http://localhost:3000` and provides basic URL
 routing for the app:
 
     gulp serve
@@ -78,18 +78,13 @@ routing for the app:
 This command performs HTML, CSS, and JS minification on the application
 dependencies, and generates a service-worker.js file with code to pre-cache the
 dependencies based on the entrypoint and fragments specified in `polymer.json`.
-The minified files are output to the `build/unbundled` folder, and are suitable
-for serving from a HTTP/2+Push compatible server.
-
-In addition the command also creates a fallback `build/bundled` folder,
-generated using fragment bundling, suitable for serving from non
-H2/push-compatible servers or to clients that do not support H2/Push.
+The minified files are output to the `build`.
 
     gulp
 
 Or you can build in Docker container:
 
-    docker run -v "$PWD":/app hoverboard gulp build
+    docker run -v "$PWD":/app hoverboard gulp
 
 :book: Read more in [deploy docs](/docs/tutorials/deploy.md).   
 

docs/tutorials/docker.md

@@ -9,10 +9,10 @@ Now you have prepared the local development environment!
 
 Now you can run the project with local sources:
 
-    docker run -it -v "$PWD":/app -p 8080:8080 hoverboard
+    docker run -it -v "$PWD":/app -p 3000:3000 hoverboard
 
 or build the production version:
 
-    docker run -v "$PWD":/app hoverboard polymer build
+    docker run -v "$PWD":/app hoverboard gulp
 
 For the explanation of the commands and their modifications please refer to https://docs.docker.com/engine/reference/run

docs/tutorials/set-up.md

@@ -20,18 +20,20 @@ Or you may use [Docker container for development](docker.md)
         npm -v
         2.15.8
 
-1.  Install Bower.
+1. Install [gulp 4](https://github.com/gulpjs/gulp/tree/4.0):
+
+        npm i -g gulpjs/gulp#4.0 
+
+and Install [Bower](https://bower.io/):
 
         npm install -g bower
 
-    Note: the `-g` flag installs Gulp and Bower globally, so you may need to
-    execute the script with `sudo` privileges. The reason they are installed
-    globally is because some scripts in the Hoverboard expect `bower` to be 
-    available from the command line.
-
-1.  Install [polymer-cli](https://github.com/Polymer/polymer-cli):
+Note: the `-g` flag installs Gulp and Bower globally, so you may need to
+execute the script with `sudo` privileges. The reason they are installed
+globally is because some scripts in the Hoverboard expect `bower` to be 
+available from the command line.
 
-        npm i -g polymer-cli
+
 
 1.  [Fork](https://github.com/gdg-x/hoverboard/fork) this repository
 
@@ -41,7 +43,7 @@ Or you may use [Docker container for development](docker.md)
 
 1.  Install the application dependencies.
 
-        bower install
+        bower install && npm install
 
 ## Directory structure
 
@@ -85,7 +87,7 @@ The diagram below is a brief summary of the directories within the PSK.
 
 The Hoverboard is ready to be built and ran locally.
 
-1. `cd` into the base directory of your PSK project.
+1. `cd` into the base directory of your Hoverboard project.
 
 1.  Serve the app locally.
 
@@ -95,8 +97,6 @@ The Hoverboard is ready to be built and ran locally.
 
         gulp
 
-    More options you can find on [polymer-cli][polymer-cli] repository.
-
 
 ## Next steps