The following diagram shows the solution's architecture:

As we discussed at the start of the chapter, the user will fill in the form and submit the data. Once the data gets submitted, the HTTP trigger of the Azure Function processes the request and puts the data in the database.

In the preceding architecture diagram, the user will fill all the details in the form. Once the user submits the form, HttpRequest will be sent to Azure Function and HttpTrigger gets fired. HttpTrigger executes the code, which stores user details in Cosmos DB.

Now, in the next section, we will start our project.