Azure Functions is a cloud-based serverless computing service provided by Microsoft Azure that allows developers to run code without having to manage servers. You only pay for the job you complete with the serverless solution. Because it is event driven, you trigger something, it does something, and you pay for the job it accomplishes.
One of the most common ways to trigger an Azure Function is through HTTP requests. In this blog post, we will look at how to develop and test an Azure Function App with an HTTP-triggered function.
Step 1: Create an Azure Function App
To begin sign in to the Azure portal using this link using your Microsoft account credentials.
To create a Function App, type "Function App" into the search field.
In the results, select "Function App" and then press the "Create" button.
On the Function App creation page, fill in the required settings:
Subscription: Choose the subscription that you want to use for the Function App.
Resource group: To host the function App, you need to create a resource group. To do so, click "Create new" next to Resource Group and name it.
Function app name: Give your Function App a unique name.
Runtime stack: We will use the.NET programming language and version 6 to publish. After you've filled out the runtime stack and version options, select a region where you want your Function App to be hosted.
The Windows operating system was chosen as the default base OS for the runtime stack, and the default plan is consumption-based.
After you've completed all of the necessary parameters, click the "Review + create" button.
After reviewing the parameters, click the "Create" button to build the Function App.
Step 2: Create an HTTP-triggered Function
Once the Function App has been set up, we can create a new function. You may access it by clicking on "Go to resources"
Click on Functions in the left-hand menu and then click create
Choose the "HTTP trigger" template
Give the new Function a name and click create
Step 3: Code
Click on "Code + Test" to view the code
This code creates an HTTP trigger that can handle GET and POST requests. The function extracts the "name" parameter from the query string and returns the message "Hello, {name}. This HTTP trigger function executed successfully."
Step 4: Test the Function in a web browser
To test the function in a web browser, navigate to overview. Click on the "Get Function URL" button to get the URL for the function. Copy the URL and open your preferred web browser. Paste the URL into the address bar. Add "&name=YourName" to the end of the URL and hit "Enter". The function should return a message similar to the image below
The procedure of creating a Function App on the Azure portal is simple. You can rapidly create a Function App and begin developing serverless applications by following these instructions.
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