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TEACHING-MATERIALS/00 Setup.md

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The Goorm IDE Cloning the Lab Content Updating NodeJS Running an Express Server
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The Goorm IDE

This is an alternative to using Codeanywhere. You need to sign up for an account on their website, sign in and access the dashboard page. Click on the Create a New Container button.

Create a New Container

You will be presented with a screen where you can name your project and choose a software stack:

Create a New Container

You should see an IDE that displays the files down the left side with an editor in the main view and a terminal window below:

Create a New Container

Cloning the Lab Content

The next step is to clone the repository containing the lab materials into the IDE. Start by opening the GitHub page. Locate the Clone or download button, clicking this pops open a small window as shown. Copy the URL in this window to your clipboard.

Create a New Container

Returning to the IDE, run the following command in the terminal:

git clone https://github.coventry.ac.uk/340CT-1819SEPJAN/TEACHING-MATERIALS.git labs

This creates a labs/ directory containing all the files from the repository.

By default real-time linting is enabled however this currently uses an old linter and is not ECMA6 compatible. You should disable real-time linting from the Project menu.

Updating NodeJS

We can see the current version of NodeJS by running the node -v command. The latest version is 10.11.0 and so we need to upgrade this.

Start by installing the Node Version Manager tool:

curl -o- https://raw.githubusercontent.com/creationix/nvm/v0.33.11/install.sh | bash

Now click on the small blue oval on the terminal tab to reload the shell. There are lots of versions available, use the nvm list-remote command to see these. Install the latest using nvm install 10.11.0 substituting the latest version number. To check the version installed use node -v again.

Running an Express Server

Use the terminal to navigate to the simple_templating directory and try running the index.js script:

$ cd labs/exercises/01_nodejs/01_templates_forms/simple_templating
$ node index.js
  Error: Cannot find module 'express'

Notice you get an error, we need to install the missing module using the Node Package Manager tool. We can then try to run the script again:

$ npm install express
$ node index.js
  Error: Cannot find module 'express-handlebars'

We get a different error explaining that there is another missing module:

$ npm install express-handlebars
$ node index.js
  app listening on port 8080

Now we have the server up and running so the final task is to view the web page using the web browser.

Setting up a URL and port

This will open a window where you will need to register a new URL and port:

Setting up a URL and port

  1. Use your University Username as the URL segment.
  2. Make sure you specify port 8080 (this is the one used by your server).

You need to set this up as your run configuration as shown.

Setting up a URL and port

The final step is to open a new browser window and enter your chosen URL, you don't need to specify the port, this was done through port-forwarding:

Setting up a URL and port

If you make changes to the code or want to quit the IDE you will need to stop the server. To do this, select the terminal window and press ctrl+c.