Lambda & Serverless
14 articles from official documentation
Meet the New AWS Heroes: Champions of Cloud Innovation
AWS Heroes are the unsung champions of the cloud community, driving innovation and knowledge sharing. This September 2026, we celebrate those who excel in serverless technologies and community leadership. Discover how these experts elevate AWS usage and foster collaboration.
- →Recognize AWS Heroes as key resources for mentorship and knowledge sharing.
- →Leverage Serverless Heroes to optimize serverless architectures in your projects.
AWS Lambda Web Functions: Simplifying HTTP App Deployments
AWS Lambda Web Functions are changing the game for deploying HTTP web applications. With the ability to run without rewriting your code into an event handler, this feature streamlines your workflow significantly. Dive in to understand how it works and what you need to know for production.
- →Deploy HTTP applications directly on AWS Lambda without rewriting code.
- →Utilize the `--regions` parameter for latency-based routing across multiple regions.
Mastering Lambda Function URLs: A Guide for Production
Lambda Function URLs provide a dedicated HTTP(S) endpoint for your Lambda functions, simplifying invocation. Learn how to configure CORS and manage access control effectively in your production environment.
- →Create function URLs using the AWS CLI with the command `aws lambda create-function-url-config`.
- →Configure CORS settings directly on the function URL to avoid manual header management.
Mastering AWS Lambda Concurrency: Scaling Your Event Functions
AWS Lambda's scaling capabilities can make or break your serverless applications. Understanding concurrency is crucial; it dictates how many requests your functions can handle simultaneously. Dive into the mechanics of reserved and provisioned concurrency to optimize your Lambda functions effectively.
- →Understand concurrency as the number of in-flight requests your Lambda function handles simultaneously.
- →Use reserved concurrency to allocate a specific portion of your account's concurrency for critical functions.
Supercharge Your Lambda Startup Times with SnapStart
Lambda SnapStart can drastically reduce your cold start times to sub-second levels, making your functions responsive when it matters most. By leveraging Firecracker MicroVM snapshots, you can optimize performance without changing your code.
- →Leverage SnapStart to achieve sub-second cold start times for your Lambda functions.
- →Understand that SnapStart uses Firecracker MicroVM snapshots to optimize startup performance.
Mastering the Lambda Execution Environment Lifecycle
Understanding the Lambda execution environment lifecycle is crucial for optimizing serverless applications. Each phase—Init, Invoke, and Shutdown—plays a pivotal role in performance and resource management. Get ready to dive into the mechanics that can make or break your Lambda functions.
- →Understand the Init phase: Start all extensions, bootstrap the runtime, and run static code.
- →Utilize the Invoke phase effectively by ensuring your function can handle the events sent by Lambda.
Unlocking AWS Lambda Web Functions: A Game Changer for HTTP Services
AWS Lambda Web Functions revolutionize serverless architecture by allowing multi-concurrent execution with active CPU billing. This means you can efficiently handle multiple requests without incurring unnecessary costs. Dive in to learn how to leverage this powerful feature in your applications.
- →Utilize multi-concurrent execution to handle up to 128 requests simultaneously.
- →Leverage active CPU billing to minimize costs during idle wait times.
Amazon Prime Day 2026: The AWS Power Behind the Numbers
Amazon Prime Day 2026 showcased the immense power of AWS, processing over 2.3 trillion Lambda invocations daily. With AWS Graviton driving 49% of EC2 compute, this event highlights the scalability and performance of cloud infrastructure.
- →Leverage AWS Graviton to optimize EC2 workloads, as it powered 49% of compute during Prime Day.
- →Utilize Amazon EBS for high-performance block storage, which peaked at over 24.8 trillion I/O operations.
AWS Local Zones and Lambda Durable Execution: What You Need to Know
AWS has launched a new Local Zone in Athens, enabling low-latency workloads for industries like finance and healthcare. Coupled with the new Lambda durable execution SDK for .NET, you can now build resilient workflows without the hassle of external orchestration.
- →Leverage AWS Local Zones to reduce latency for critical applications in Greece.
- →Utilize Amazon S3 and EBS Local Snapshots in the new Athens Local Zone.
Streamline Your Serverless Setup: One-Click Lambda and GPT-5.6 Insights
AWS has introduced a one-click Lambda setup prompt that embeds serverless best practices right from the start. This feature, along with the latest OpenAI GPT-5.6 models on Bedrock, offers powerful tools for developers looking to enhance their applications.
- →Use the one-click Lambda setup prompt to embed serverless best practices from the start.
- →Fetch setup instructions directly to streamline your serverless configuration.
Unlocking AWS Lambda MicroVMs: Full Lifecycle Control in Isolated Sandboxes
AWS Lambda MicroVMs offer a powerful way to run user-generated code in isolated environments. With stateful execution and rapid launch capabilities, these MicroVMs change how we think about serverless architecture.
- →Leverage Firecracker for lightweight virtualization in AWS Lambda.
- →Configure `maxIdleDurationSeconds` to manage MicroVM resource usage effectively.
Automate AWS Lambda Code Integrity with Terraform and Code Signing
Ensure your AWS Lambda functions run only trusted code with automated code signing. Leverage AWS Signer and Terraform to enforce signature validation and enhance security in your deployments.
- →Implement AWS Signer with SHA384-ECDSA for strong cryptographic security.
- →Automate code signing with Terraform to ensure consistent deployments.
Unlocking AI/ML Potential: AWS's New Tools for Developers
AWS is rolling out powerful tools to streamline AI and ML development. The Agent Plugin for AWS Serverless simplifies building serverless applications with AI coding assistants. Dive in to discover how these innovations can elevate your projects.
- →Leverage the AWS AI & ML Scholars program to enhance your team's AI skills.
- →Utilize the Agent Plugin for AWS Serverless to streamline serverless application development.
Automate AWS Lambda Runtime Upgrades with AWS Transform Custom
Tired of managing deprecated AWS Lambda runtimes manually? AWS Transform custom automates the migration from outdated versions like Python 3.8 to modern ones like Python 3.13. This tool learns from your code and executes upgrades consistently at scale.
- →Automate migration from deprecated runtimes like Python 3.8 to Python 3.13 using AWS Transform custom.
- →Use the `-t` flag to trust all tool executions, but be cautious of the risks involved.
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