Serverless 101

Welcome to the Serverless 101 series! This comprehensive guide will take you from serverless fundamentals to building production-ready AWS Lambda functions using Python.

Series Overview

This series is based on my personal experience building and deploying serverless applications in production environments. Each part builds upon the previous one, providing practical knowledge and real-world examples.

What You'll Learn

• Part 1: Introduction to Serverless Computing

  • Understanding the serverless paradigm

  • Benefits and trade-offs

  • When to use serverless

• Part 2: AWS Lambda Fundamentals

  • Lambda execution model

  • Python runtime environments

  • Handler functions and context

• Part 3: Building Your First Lambda Function

  • Creating a Python Lambda function

  • Testing locally and in AWS

  • Environment variables and configuration

• Part 4: Event-Driven Architecture with Lambda

  • Event sources and triggers

  • API Gateway integration

  • S3, DynamoDB, and SQS events

• Part 5: Deployment and Best Practices

  • CI/CD pipelines for Lambda

  • Monitoring and logging

  • Cost optimization strategies

Prerequisites

• Basic Python knowledge

• AWS account (free tier is sufficient)

• Familiarity with cloud computing concepts

Technology Stack

Throughout this series, we'll use:

• Python 3.12 as our programming language

• AWS Lambda as our serverless platform

• AWS CLI and SAM CLI for deployment

• boto3 for AWS SDK interactions

Let's begin your serverless journey!