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Demystifying Serverless Computing: Understanding And Building Serverless Architectures

Paul Balo by Paul Balo
June 28, 2023
in Cloud, Research/How to do it
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Section 2: Getting Started with Serverless Computing

 

2.1 Setting Up the Development Environment

Before diving into serverless computing, let’s set up our development environment. Follow these steps to ensure you have the necessary tools and frameworks:

  • Installing the Necessary Tools and Frameworks: Begin by installing the required tools and frameworks. This typically includes installing Node.js, which will allow us to use JavaScript to write serverless functions. Additionally, we need to install the CLI (Command Line Interface) for the serverless platform of your choice, such as AWS CLI, Azure CLI, or Google Cloud SDK.
  • Configuring Serverless Platforms: After installing the tools, it’s important to configure your serverless platform. This involves authenticating your CLI with your cloud provider’s credentials. Each provider has its own authentication process, so make sure to follow the documentation provided by your chosen platform.

 

2.2 Creating Your First Serverless Function

Now that our development environment is set up, it’s time to create our first serverless function. Follow this step-by-step guide to get started:

  • Step 1: Define the Function: Begin by writing the code for your serverless function. Choose a programming language supported by your serverless platform, such as JavaScript for AWS Lambda or Azure Functions. Write the function logic, keeping in mind the specific event source or trigger that will invoke it.
  • Step 2: Package and Deploy the Function: Once the function is defined, package it along with any necessary dependencies. Use the CLI to deploy the function to your serverless platform. This process will vary depending on the platform you are using, but generally, you will run a command that uploads your code to the cloud.
  • Step 3: Test and Monitor: After deploying the function, it’s crucial to test and monitor its behaviour. Invoke the function using the specified event source or trigger and verify that it performs as expected. Monitor its execution and observe any logs or metrics provided by your serverless platform to ensure everything is functioning correctly.

 

2.3 Serverless Frameworks and Tools

To streamline development and deployment processes, many developers turn to serverless frameworks and tools. These tools provide abstractions and additional features that simplify serverless application development. Here are a few popular options:

  • Serverless Framework: The Serverless Framework is a widely-used open-source tool that helps you develop and deploy serverless applications across different cloud providers. It provides a unified way to define functions, manage resources, and handle deployments.
  • SAM (Serverless Application Model): SAM is a framework specifically designed for AWS Lambda. It extends AWS CloudFormation and simplifies the process of defining serverless applications using a YAML or JSON template.
  • Azure Functions Core Tools: If you’re working with Azure Functions, the Azure Functions Core Tools provide a local development experience. These tools allow you to develop and test functions on your local machine before deploying them to Azure.


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Tags: cloud computinglearningserverless comptuingtutorial
Paul Balo

Paul Balo

Paul Balo is the founder of TechBooky and a highly skilled wireless communications professional with a strong background in cloud computing, offering extensive experience in designing, implementing, and managing wireless communication systems.

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