Tutorial: Create API with loopback IBM
For this tutorial we will use Node.js and some concepts os JavaScrip an REST
First step is open Node.js command prompt, change the directory and type the following command to install LoopBack 4 CLI:
npm i -g @loopback/cli
Then Run the command to select and clone the todo repository:
lb4 example todo
Switch to the directory.
cd loopback4-example-todo
And finally test the aplication:
npm start
The next Step is to create our app scaffolding begin to write the command:
lb4 app
And Complete the questions with the following answer:
The next step is to add a model,.
To do this just type:
lb4 model
And then answer the following questions an press enter:
The next step is to add Datasource.
Begin to type the following command:
lb4 datasource
And then answer the following questions an press enter:
After that create a .json file with rhe following code:
The next step is to create a repository.
Just type this command:
lb4 repository
And then answer the following questions an press enter:
And the its time to add a controller.
Begin to type:
lb4 controller
And then answer the following questions an press enter:
And finnaly type this code:
npm start
And teste your API on the browser, the output should look like this:
You can test post method like this: