Assuming you have already installed Node...
Install the LoopBack CLI tool.
$ npm install -g loopback-cli
Create a "Hello World" LoopBack application.
$ lb ? What's the name of your application? hello-world ? Enter name of the directory to contain the project: hello-world ? Which version of LoopBack would you like to use? 3.x (Active Long Term Support) ? What kind of application do you have in mind? hello-world (A project containing a controller, including a single vanilla Message and a single remote method) ... I'm all done. Running npm install for you to install the required dependencies. If this fails, try running the command yourself. ...
$ lb model
The generator guides you through creating your model. Enter the values highlighted in green. To accept the default, just press Enter.
[?] Enter the model name: person [?] Select the data-source to attach person to: db (memory) [?] Select model`s base class (PersistedModel) [?] Expose person via the REST API? Yes [?] Custom plural form (used to build REST URL): people [?] Common model or server only? common Let's add some person properties now.
Define a firstname property for the person model
Enter an empty property name when done. [?] Property name: firstname
Hit Enter to accept the default string type:
[?] Property type: (Use arrow keys) ❯ string number boolean object array date buffer geopoint any (other)
Make the property required.
[?] Required? (y/N) y
Repeat these steps for lastname property.
Press Enter when prompted for a property name to finish up and create the model.
Run the application
Run as you would any Node application.
$ node . Browse your REST API at http://0.0.0.0:3000/explorer Web server listening at: http://0.0.0.0:3000/
When you're ready to think about moving to production, give IBM API Connect a try. It enables you to easily deploy your LoopBack app to the cloud or on-premises. It has a built-in API gateway, and it has a visual editor for LoopBack apps!
Explore your REST API
Load http://0.0.0.0:3000/explorer to see the built-in API Explorer.
The API Explorer enables you to exercise all the generated API endpoints. There are create, read, update, and delete (CRUD) endpoints for the people model you just created.