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Showing posts from January, 2025

Which service provides serverless computing in Azure?

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Serverless computing, often termed Function as a Service (FaaS), is a cloud computing model that enables developers to build and run applications without managing the underlying server infrastructure. In this architecture, servers and infrastructure are abstracted away, allowing developers to focus solely on writing and deploying code. The core idea is to execute small pieces of code, known as functions, which are short-lived and run in stateless containers. Azure Functions Microsoft Azure offers serverless computing through its service called Azure Functions. This service allows developers to execute event-driven code without managing the underlying infrastructure. Developers can write code in various languages, including JavaScript, Python, C#, and Java, responding to events from multiple Azure services. Key features of Azure Functions include pay-as-you-go pricing, automatic scaling, and seamless integration with other Azure services like Azure Event Hubs, Azure Storage, and Azure L...

Exploring AWS Serverless API Development Amazon API Gateway vs. Lambda Function URLs

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  In the evolving landscape of cloud computing and serverless architectures, Amazon Web Services (AWS) provides a suite of tools tailored to diverse project requirements. Among these, two pivotal services for constructing scalable and efficient serverless APIs are Amazon API Gateway and AWS Lambda Function URLs. Each comes with its own set of advantages and limitations. This article delves into their features and capabilities to guide you in selecting the service that best aligns with your development objectives. Amazon API Gateway Overview Amazon API Gateway is a fully managed service within AWS's serverless portfolio, designed to facilitate the publication, maintenance, monitoring, and security of APIs at any scale. It is a preferred choice for many developers due to its comprehensive features that streamline API development, including endpoint creation, route security, and monitoring. API Gateway supports three types of APIs: HTTP API REST API WebSocket API Key Features of Amazo...

Is serverless computing Saas or PaaS?

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Serverless computing is a cloud service model that abstracts the complexities of infrastructure management from developers. In this paradigm, developers write individual functions or services and deploy them directly onto a serverless platform without the need to configure or manage the underlying infrastructure. The cloud provider automatically handles aspects such as scaling, availability, and resource allocation. Billing is typically based on actual usage, meaning users pay only for the compute resources consumed during the execution of their functions. This approach allows developers to focus solely on writing code, leading to a more streamlined and efficient development process.  Platform as a Service (PaaS) is another cloud computing model that provides a comprehensive environment for software development and deployment. PaaS offers a suite of tools and services, including development frameworks, middleware, and database management systems, to facilitate the creation, testing...

Integrating Amazon API Gateway's REST API with AWS Step Functions' Synchronous Express Workflow

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It enables real-time processing of user requests. This setup allows API Gateway to invoke a Step Function synchronously, wait for its completion, and return the result to the user. Part 1: Setting Up the Express Workflow Create a State Machine: Navigate to the AWS Step Functions console. Click on "Create state machine." Choose "Design your workflow visually." Select "Express" as the type. Click "Next." Design the Workflow: Use the Workflow Studio to build your state machine by dragging and dropping elements. Configure each step as needed. After designing, click "Next." Review the Definition: Examine the generated definition for accuracy. Make any necessary adjustments. Click "Next." Configure Settings: Assign a unique name to the state machine. Specify an IAM role that grants the state machine access to required resources. Enable logging and X-Ray tracing if desired. Add tags as needed. Click "Create state machine." ...

Optimizing RLS Performance with Supabase(postgres)

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Implementing Row-Level Security (RLS) in Supabase is essential for maintaining data security in multi-tenant applications. However, RLS can introduce performance challenges, especially with complex queries. To optimize RLS performance, consider the following strategies: 1. Indexing Relevant Columns Ensure that columns used in RLS policies are properly indexed. For instance, if your RLS policy includes a condition like auth.uid() = user_id, creating an index on the user_id column can significantly enhance query performance. This practice helps the database quickly locate relevant rows, reducing query execution time.  2. Wrapping Functions in SELECT Statements When using functions within RLS policies, wrapping them in a SELECT statement can improve performance. This approach allows the database to cache the function's result, preventing it from being recalculated for each row. For example, instead of using is_admin() OR auth.uid() = user_id directly, modify it to (SELECT is_admin()) ...

Journey From Traditional Architecture to Serverless: Moments That Sparked Transformations

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The evolution from traditional infrastructure to serverless architecture mirrors the transformation of a family-run store into a sprawling supermarket. Initially, developers managed every aspect of server setup and network configuration. The advent of cloud computing introduced services like EC2, yet the responsibility of provisioning and maintenance remained. Serverless architecture further alleviates these burdens, enabling developers to concentrate on essential business logic. Overcoming Legacy Mindsets Transitioning to serverless not only streamlines infrastructure management but also reshapes problem-solving approaches. Eric Johnson, an advocate for serverless architecture, recalls his early enthusiasm for Lambda functions, often advising clients on the benefits of a serverless approach. Despite initial resistance due to monetization concerns, his persistence led to his organization adopting serverless solutions, establishing him as a key figure in their implementation. The Turnin...

Serverless (Lambda) vs. Containers (Kubernetes)

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 Serverless computing and containerization are two prominent paradigms in modern cloud computing, each offering distinct advantages. Serverless platforms, such as AWS Lambda, enable developers to deploy code swiftly without the burden of managing underlying infrastructure. In contrast, container orchestration systems like Kubernetes provide enhanced scalability and flexibility, allowing applications to be packaged with their dependencies and run consistently across various environments. Key Differences Between Serverless (Lambda) and Containers (Kubernetes): Technical Definition: Serverless (AWS Lambda): Allows developers to execute functions in the cloud without provisioning servers. Code snippets in languages like Java or Python are executed on-demand and terminate upon completion, with billing based on actual usage. Containers (Kubernetes): Facilitates the deployment and management of containerized applications. Kubernetes automates operational tasks, including rolling out chang...

6 VSCode Extensions that you are not using

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Visual Studio Code (VS Code) offers a vast array of extensions to enhance your coding experience. While many developers are familiar with popular tools, several lesser-known extensions can significantly boost productivity. Here are six such extensions you might not be using: 1. VSCode Counter Monitoring the number of lines in your code can provide insights into its complexity and maintainability. VSCode Counter helps you count lines in your project, aiding in decisions like when to refactor large files. How to use it: Press F1 to open the Command Palette. Search for Vscode counter: count lines in directory. Select the desired directory. Press Enter to view the statistics. 2. Bracket Pair Colorizer Matching brackets, especially in nested code, can be challenging. Bracket Pair Colorizer assigns colors to matching brackets, making it easier to identify pairs and spot mismatches. How to use it: Click before any bracket to see a colored line connecting matching pairs. Easily identify missi...