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Security and Observability for AWS Developers

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Overview

Secure applications and make them observable. Remove hardcoded secrets by using IAM roles and AWS Secrets Manager, secure API endpoints with a Lambda authorizer, publish custom metrics and dashboards in CloudWatch, and add distributed tracing with X-Ray across API Gateway, Lambda, and DynamoDB.

Syllabus

Unit 1: Secure Credentials Management

Updating Database Connection Details
Parsing JSON Secrets from AWS
Using Constants for Secret Names
Handling Missing Secrets Gracefully
Validating Retrieved Secret Data Integrity

Unit 2: Lambda Authorizer Implementation

Fix the Broken Authorization Header
Complete the Token Validation Logic
Complete the IAM Policy Structure
Enhance API Response with Context Data
Add Error Handling and Edge Cases

Unit 3: CloudWatch Metrics and Dashboards

Complete Your First CloudWatch Metric
Adding Metric Dimensions for Better Organization
Batching Multiple Metrics Efficiently
Fix Broken Dashboard Widget Configuration
Build Complete Monitoring Application

Unit 4: Distributed Tracing with X-Ray

Configure Your X-Ray Service
Enable Automatic AWS SDK Tracing
Add Custom Subsegment Tracing
Trace Multiple Operations with Subsegments
Debug Broken X-Ray Integration

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