docs(README): Update demo app

- Demo app updated
- New Demo App section to the README file

README.md

@@ -34,6 +34,7 @@ $ npm install -g lighthouse-ci
       - [Option 2.](#option-2)
       - [Option 3.](#option-3)
   - [Codechecks](#codechecks)
+  - [Demo App](#demo-app)
   - [How to](#how-to)
     - [Test a page that requires authentication](#test-a-page-that-requires-authentication)
     - [Wait for post-load JavaScript to execute before ending a trace](#wait-for-post-load-javascript-to-execute-before-ending-a-trace)
@@ -235,6 +236,17 @@ Read more from the official documentation from [https://github.com/codechecks/li
 
 Read more about Codechecks on the [official project website](https://codechecks.io/)
 
+## Demo App
+
+This project contains a demo folder where a project as been created for demo purposes only.
+Once inside the `demo` folder, if you have Docker installed on your machine, you can simply launch the demo app inside a Docker container with `make demo`.
+
+If you just want to run the demo locally, make sure to install the node dependencies first with `npm install`,
+then run the demo with:
+
+```
+$ npm start
+```
 
 ## How to
 

demo/.npmrc

@@ -0,0 +1 @@
+package-lock=false

demo/Dockerfile

@@ -1,19 +1,17 @@
-FROM node:carbon
+FROM node:10
 
 WORKDIR /demo
 
+ENV CHROME_BIN=/usr/bin/google-chrome-stable
+EXPOSE 8080
+
 # Install Chrome
 RUN wget -q -O - https://dl-ssl.google.com/linux/linux_signing_key.pub | apt-key add -
 RUN sh -c 'echo "deb [arch=amd64] http://dl.google.com/linux/chrome/deb/ stable main" >> /etc/apt/sources.list.d/google.list'
 RUN apt-get update && apt-get install -y google-chrome-stable
 
-ENV CHROME_BIN=/usr/bin/google-chrome-stable
-
-COPY package*.json /demo/
-
-# RUN npm install
+COPY package.json .
 
-# Bundle app source
-# COPY . .
+RUN npm install
 
-# EXPOSE 8080
+COPY . .

demo/Makefile

@@ -7,10 +7,7 @@ build:
 run:
 	docker run --rm -it -v ${PWD}:/demo sonny/lighthouse-demo npm start
 
-install:
-	docker run --rm -it sonny/lighthouse-demo npm install
-
 dev:
 	docker run -it --rm -v ${PWD}:/demo sonny/lighthouse-demo /bin/bash
 
-demo: build install run
+demo: build run