How to Build a Serverless Web Application : Aalpha

How to Build a Serverless Web Application

Developing a serverless application enables you to create and launch apps without having to care about servers. However, it also allows you to concentrate on your application code rather than on provisioning, configuring, and maintaining infrastructure with several advantages.

What is the best way to design a serverless application?

Check: Web application development

1. Choose a web hosting provider :

Bucket name: The bucket name must be unique and has not been used before on Amazon S3 buckets. Thus always attempt to customize the bucket name.

Region selection: Select the area in which you wish to build the bucket from the drop-down menu.

2. Select a serverless backend service :

When it comes to Lambda, Amazon provides numerous alternatives for creating Lambda functions.

3. Choose a RESTful API:

4. Select a Database :

Your infrastructure may be hosted on the cloud at this level, but you must still assure the security of your data and services.

5. Select a service for managing privileged access

6. Choose a user administration service

What you should know before building your first serverless web application.

The longer you have worked with self-hosted services, the more pleasurable the transition to serverless will be.

Plan for observability before you begin developing your first online application. Moreover, determine what you will record and how you will record it. What metrics are you going to track? Where are you going to transmit these metrics? What kind of analytics tools are you going to use?

It is much too typical for users in the early phases of serverless adoption to feel confident about their actions yet be completely unaware of what is happening within their system.

This kind of information is possible with the correct observability platform-ideally one that automates significant instrumentation inside Lambda, such as New Relic. In a single experience, New Relic can help you, monitor, visualize, debug, and alert on your serverless services.

Allow enough time for Lambda and API Gateway setup. For each function, you will need to complete the following tasks:

  • The code is being uploaded.
  • Setting up the function
  • Establishing an API endpoint (for example, identifying the HTTP methods it must obey)
  • Creating the function’s IAM security role
  • Configuration of the HTTP request (for example, how the variables involved in the request are received and converted into Lambda function arguments)
  • Setting up the HTTP response (for example, how the return variables are delivered to the caller and converted into HTTP format)
  • Establishing a staging endpoint
  • Implementing the API

The development methodology for a serverless web application is significantly different from that of a traditional web application. You do not have a local development environment; everything is hosted in the cloud. Additionally, even though each Lambda function exists within the broader context of a unified application, setting and deploying each Lambda function is isolated.

While functions must have access to shared code, there is no one-size-fits-all solution. To overcome these barriers, you must establish an effective development process that everyone on your team understands, adheres to, and, most importantly, understands. It may require some trial and error, but serverless is well worth the initial effort after establishing a foundation.

Wrapping up

Any queries about serverless web application development? Feel free to fill our contact form to get a free consultation.

Originally published at on June 11, 2021.

Aalpha is specialist India based Software Solutions company providing solutions for Web and Mobile development,

Aalpha is specialist India based Software Solutions company providing solutions for Web and Mobile development,