Python

54 articles tagged with “Python”

Jan 8, 20269 min read

Build Open Source Software Developers Want to Use

Guide to building high-impact open-source projects with production-grade quality, strong DevEx, CI/CD, and community engagement.

Sep 8, 20255 min read

Secrets Manager vs Parameter Store: Which to Use?

AWS Secrets Manager vs SSM Parameter Store compared: cost, rotation, encryption, versioning, and IaC support to help you choose.

Jul 16, 202517 min read

Serverless MCP: Lambda vs Fargate for Agentic AI

Compare three ways to deploy MCP servers on AWS: Lambda with Web Adapter, Pure Lambda, and Fargate. Includes CDK templates.

Jul 9, 202511 min read

14 AWS Lambda Security Best Practices

14 real-world AWS Lambda security best practices: input validation, IAM least privilege, secrets management, and tenant isolation.

May 19, 202511 min read

Observability with CloudWatch Synthetics

Use AWS CloudWatch Synthetics to catch production issues before users do. Learn to implement and schedule synthetic canaries.

May 10, 20256 min read

Running an MCP Server on AWS Lambda: What Happened

Running an MCP server on AWS Lambda with FastAPI and FastMCP. It works, but cold starts and observability make it rough.

May 5, 202510 min read

Serverless WebSockets with AppSync Events & Lambda

Use AWS Lambda with AppSync Events for serverless WebSockets. Covers CDK setup, real-time events, and Powertools integration.

Mar 31, 20259 min read

Stop Building Internal Tools Nobody Wants

Stop building internal tools nobody wants. Platform engineering tips to boost adoption, DevX, feedback, and internal open-source mindset

Mar 3, 20259 min read

AWS Service Catalog: A Game Changer for Platform Engineering

Discover how AWS Service Catalog helps Platform Engineers balance flexibility, security, and governance—transforming delivery at scale

Feb 10, 20259 min read

5 Serverless Patterns You Should Stop Using

Avoid common AWS Serverless architecture pitfalls! Learn 5 outdated patterns & the best practices to replace them for better services

Dec 16, 20245 min read

Protect Your API Gateway with AWS WAF using CDK

learn about AWS Web Application Firewall (WAF) and use CDK code to protect an REST API served by an API Gateway and enable metrics and logs

Sep 10, 20249 min read

AWS Lambda Extensions: Pros, Cons, and Use Cases

In this VERY opinionated post, I will share my thoughts about AWS Lambda extensions, the good and the bad, and when you should use or should not use them.

Aug 13, 20248 min read

Build a Serverless App on Fargate ECS with AWS CDK

Build a secure Fargate ECS cluster with an application load balancer and a Streamlit web application using Python CDK and OpenAI.

Jul 8, 202410 min read

Build a Chatbot with Amazon Bedrock and Powertools

Build a chatbot with Amazon Bedrock agents using Powertools for AWS. Learn to automate Lambda API calls via OpenAPI with bedrock agents.

Jun 18, 202414 min read

CloudFormation Custom Resources Best Practices with CDK

Learn of CloudFormation custom resources, their types, and best practices using AWS CDK, Powertools for AWS, Pydantic, and crhelper.

Jun 3, 202418 min read

AWS IAM Best Practices for Service-to-Service Auth

AWS security best practices for service to service authentication, authorization and cross-account access with IAM policies and python code.

May 20, 202410 min read

Optimize AWS Lambda with Dynamic Provisioned Concurrency

Reduce AWS Lambda cold starts and optimize costs with dynamic provisioned concurrency. Master it with our AWS CDK Python guide.

Apr 29, 20249 min read

AWS Serverless: Multi-Language Strategies

Learn from my experience developing a performance-oriented serverless service. I'll share insights on multi-language strategies.

Mar 4, 202410 min read

Auto-Generate OpenAPI Docs & CI/CD Protections

Generate OpenAPI documentation for serverless APIs automatically, keep it in sync with code, and safeguard against API breaking changes

Feb 19, 202411 min read

Serverless API Documentation with Powertools for AWS

Generate OpenAPI documentation for Python Lambda APIs using Powertools for AWS Lambda and Pydantic. Automate your API spec with CDK.

Feb 7, 20247 min read

Boost App Engagement with CloudWatch & Powertools

Learn to use CloudWatch metrics for mobile alerts, enhancing app engagement with AWS Lambda Powertools. Ideal for developers and engineers

Nov 13, 202311 min read

Export CloudWatch Logs to Third-Party Tools

Export CloudWatch logs to DataDog, Grafana, or other observability tools using serverless architecture for simpler management.

Oct 28, 20238 min read

Build CloudWatch Dashboards with AWS CDK

Build CloudWatch dashboards with AWS CDK to monitor serverless services using metrics, custom metrics, log insights, and alarms.

Sep 18, 20234 min read

Deploy AWS AppConfig with the New L2 CDK Constructs

Deploy AWS AppConfig feature flags using CDK L2 constructs. Manage feature toggles for serverless apps with type-safe configurations.

Aug 15, 20237 min read

SQS Dead Letter Queues: Failures Handling Best Practices

In this article you will learn about dead letter queue best practices and how to handle failures in a correct and automated manner.

Aug 7, 20238 min read

Mastering Retries: Best Practices for Amazon SQS

Learn how to handle Amazon SQS batch processing failures and master automatic retries with AWS Lambda Powertools for Python.

Jul 24, 20236 min read

SQS Batch Handling with AWS Lambda Powertools

Handle Amazon SQS batches in a safe manner that encourages retries with AWS Lambda Powertools for Python and AWS CDK code examples.

Jun 26, 202313 min read

Serverless API Idempotency with Lambda Powertools

Discover serverless API idempotency's significance and implementation using AWS Lambda, AWS CDK, and Lambda Powertools for Python.

Jun 12, 20238 min read

Python Cookiecutter: Streamline Template Projects

In this post, you will learn how to generate Python templates with cookiecutter and build new template projects from scratch.

May 22, 202310 min read

Serverless Scheduled Tasks with EventBridge & CDK

This blog post will teach you to leverage Amazon EventBridge to create serverless scheduled tasks using AWS CDK in Python.

May 8, 20239 min read

Convert Text to Speech with Amazon Polly Serverless

Learn to automate TTS, text to speech, with Amazon Polly in minutes using the provided GitHub Serverless service to improve accessibility.

Apr 24, 202312 min read

AWS Lambda Functions with Architecture Layers

Learn to structure AWS Lambda functions with three architectural layers for clean, testable, and maintainable serverless code in Python.

Mar 27, 20239 min read

Serverless & Lambda Testing - Part 3 - Async Flows

Learn AWS Serverless testing best practices for advanced asynchronous flows that may or may not contain Lambda functions.

Mar 13, 202318 min read

Serverless & Lambda Testing - Part 2 - Pyramid

Learn AWS Serverless & Lambda testing best practices using the testing pyramid: unit, infrastructure, integration and end to end tests.

Feb 27, 202313 min read

Serverless & Lambda Testing Best Practices - Part 1

Serverless and Lambda testing challenges, how they differ from traditional testing, and best practices for overcoming them.

Feb 13, 20237 min read

AWS Lambda Layers Best Practices

AWS Lambda layers explained: when to use them, the pros and cons, packaging tips, and best practices for Python serverless projects.

Jan 31, 20234 min read

AWS Lambda Feature Flags with Time Based Conditions

Learn how to define time-based feature flags that will change the behavior of your AWS service at different times, hours and weekdays.

Jan 16, 20237 min read

Build AWS Lambda Container Image with AWS CDK

Build and deploy AWS Lambda custom container images with AWS CDK in Python. Covers Docker setup, ECR, and deployment best practices.

Jan 2, 20235 min read

Build AWS Lambda Layers with AWS CDK

Build and deploy AWS Lambda layers with Docker and AWS CDK in Python. Covers packaging, versioning, and layer management best practices.

Dec 18, 20229 min read

Serverless Production Readiness Checklist

Before going to production, go through this checklist. The checklist spans security, backups, crisis recovery, CI/CD, and support readiness.

Dec 3, 20227 min read

re:Invent 2022: Serverless Takeaways

Now that AWS re:Invent 2022 is officially over, let's go over the exciting new services and features launched from a Serverless perspective.

Oct 24, 20223 min read

Deploy to AWS with GitHub Actions and AWS CDK

Step-by-step guide to deploying AWS infrastructure with GitHub Actions and AWS CDK, including OIDC authentication and CI/CD pipelines.

Oct 3, 202215 min read

AWS CDK Best Practices From The Trenches

Best practices and guidelines for working with AWS CDK, learned from using AWS CDK, from development to production over the past 3 years.

Aug 2, 20228 min read

How One Open-Source Code Donation Got Me Promoted

How one open-source pull request led to a promotion to System Architect and a talk at the AWS TLV Summit. Advance your career with OSS.

Jul 11, 202214 min read

Cloud Platform Engineering - Supercharge Your Development

Creating a cloud platform engineering team in your organization accelerates SaaS development. Learn about the challenges and best practices.

Jun 19, 20227 min read

Start Your AWS Serverless Service With Two Clicks

This blog will help you to start your very own AWS Serverless Python service with a working pipeline and CDK with just two clicks!

Jun 9, 20227 min read

Manage Your AWS Lambda Feature Flags Like a Boss

This blog post will describe a feature flags development process for getting feature flags right in: design, testing, production, retirement

May 15, 202216 min read

AWS Lambda Feature Flags & Configuration Best Practices

AWS Lambda handler best practices series. This blog focuses on AWS Lambda feature flags and configuration best practices.

Apr 7, 202210 min read

AWS Lambda Input Validation Best Practices

AWS Lambda input validation and parsing best practices using Pydantic and Powertools for AWS Lambda to ensure type-safe handlers.

Mar 15, 20228 min read

AWS Lambda Cookbook | Environment Variables

AWS Lambda environment variables best practices for static configuration, type safety, and validation with Pydantic in Python.

Mar 3, 20226 min read

AWS Lambda Metrics KPI Best Practices

AWS Lambda custom metrics best practices: publish CloudWatch metrics and business KPIs with Powertools for AWS Lambda in Python.

Feb 24, 202211 min read

AWS Lambda Observability Best Practices

AWS Lambda observability best practices for distributed tracing, metrics, and monitoring using Powertools for AWS Lambda in Python.

Feb 23, 20226 min read

AWS Lambda Best Logging Practices

Master AWS Lambda logging best practices with structured logs, correlation IDs, and Python Powertools for production-ready observability.

Feb 22, 20222 min read

Reduce Python Code Complexity With This Simple Trick

Reduce Python code complexity using this simple refactoring trick. Write cleaner, more maintainable Lambda handler code with less effort.