Developing Serverless Solutions on AWS

Introduction

• Introduction to the application you will build
• Access to course resources (Student Guide, Lab Guide, and Online Course Supplement)

Thinking Serverless

• Best practices for building modern serverless applications
• Event-driven design
• AWS services that support event-driven serverless applications

API-Driven Development and Synchronous Event Sources

• Characteristics of standard request/response API-based web applications
• How Amazon API Gateway fits into serverless applications
• Try-it-out exercise: Set up an HTTP API endpoint integrated with a Lambda function
• High-level comparison of API types (REST/HTTP, WebSocket, GraphQL)

Introduction to Authentication, Authorization, and Access Control

• Authentication vs. Authorization
• Options for authenticating to APIs using API Gateway
• Amazon Cognito in serverless applications
• Amazon Cognito user pools vs. federated identities

Serverless Deployment Frameworks

• Overview of imperative vs. declarative programming for infrastructure as code
• Comparison of CloudFormation, AWS CDK, Amplify, and AWS SAM frameworks
• Features of AWS SAM and the AWS SAM CLI for local emulation and testing

Using Amazon EventBridge and Amazon SNS to Decouple Components

• Development considerations when using asynchronous event sources
• Features and use cases of Amazon EventBridge
• Try-it-out exercise: Build a custom EventBridge bus and rule
• Comparison of use cases for Amazon Simple Notification Service (Amazon SNS) vs. EventBridge
• Try-it-out exercise: Configure an Amazon SNS topic with filtering

Event-Driven Development Using Queues and Streams

• Development considerations when using polling event sources to trigger Lambda functions
• Distinctions between queues and streams as event sources for Lambda
• Selecting appropriate configurations when using Amazon Simple Queue Service (Amazon SQS) or Amazon Kinesis Data Streams as an event source for Lambda
• Try-it-out exercise: Configure an Amazon SQS queue with a dead-letter queue as a Lambda event source

Writing Good Lambda Functions

• How the Lambda lifecycle influences your function code
• Best practices for your Lambda functions
• Configuring a function
• Function code, versions and aliases
• Try-it-out exercise: Configure and test a Lambda function
• Lambda error handling
• Handling partial failures with queues and streams

Step Functions for Orchestration

• AWS Step Functions in serverless architectures
• Try-it-out exercise: Step Functions states
• The callback pattern
• Standard vs. Express Workflows
• Step Functions direct integrations
• Try-it-out exercise: Troubleshooting a Standard Step Functions workflow

Observability and Monitoring

• The three pillars of observability
• Amazon CloudWatch Logs and Logs Insights
• Writing effective log files
• Try-it-out exercise: Interpreting logs
• Using AWS X-Ray for observability
• Try-it-out exercise: Enable X-Ray and interpret X-Ray traces
• CloudWatch metrics and embedded metrics format
• Try-it-out exercise: Metrics and alarms
• Try-it-out exercise: ServiceLens

Serverless Application Security

• Security best practices for serverless applications
• Applying security at all layers
• API Gateway and application security
• Lambda and application security
• Protecting data in your serverless data stores
• Auditing and traceability

Handling Scale in Serverless Applications

• Scaling considerations for serverless applications
• Using API Gateway to manage scale
• Lambda concurrency scaling
• How different event sources scale with Lambda

Automating the Deployment Pipeline

• The importance of CI/CD in serverless applications
• Tools in a serverless pipeline
• AWS SAM features for serverless deployments
• Best practices for automation
• Course wrap-up