#1 · 1:39
Amazon Cognito: User Pools vs. Identity Pools
Authentication & Authorization Architecture
#2 · 1:26
Amazon DynamoDB Accelerator (DAX) vs. ElastiCache
In-Memory Caching for Ultra-Low Latency
#3 · 1:26
AWS Lambda: Provisioned vs. Reserved Concurrency
Serverless Scaling & Cold Start Mitigation
#4 · 1:33
API Gateway: Caching, Throttling & Canary Deployments
API Performance, Protection & Safe Releases
#5 · 1:34
AWS Step Functions: Standard vs. Express Workflows
Serverless Workflow Orchestration
#6 · 1:41
DynamoDB Indexes: GSI vs. LSI
Secondary Index Architecture & Capacity
#7 · 1:29
DynamoDB Optimistic Locking & Conditional Writes
Concurrency Control & Race Condition Prevention
#8 · 1:32
Lambda Execution Context Reuse & /tmp Ephemeral Storage
Serverless Performance Optimization & State
#9 · 1:39
Lambda Aliases & Traffic Shifting: Canary & Linear
Safe Deployments & Gradual Rollouts
#10 · 1:40
AWS SAM: Transform Macro, Build & Local Testing
Serverless Application Model & CLI Workflow
#11 · 1:35
AWS X-Ray: Subsegments, Annotations vs. Metadata
Distributed Tracing & Filter Expressions
#12 · 1:32
Amazon SQS: Long Polling vs. Short Polling
Queue Polling Economics & Latency
#13 · 1:37
SQS Visibility Timeout & Dead-Letter Queues (DLQ)
Message Processing Lifecycles & Error Handling
#14 · 1:41
SNS Message Filtering & Fan-Out Architectures
Pub/Sub Attribute Filtering & Decoupling
#15 · 1:33
AWS KMS Encryption Context: Additional Authenticated Data
Cryptographic Integrity & CloudTrail Auditing
#16 · 1:28
ElastiCache Redis: Cluster Mode Enabled vs. Disabled
In-Memory Sharding & Horizontal Scalability
#17 · 1:40
AWS CodeDeploy: AppSpec Lifecycle Event Hooks
CI/CD Deployment Pipelines & Health Checks
#18 · 1:54
AWS CodeBuild: buildspec.yml Phases & Artifact Caching
Build Automation & S3 Dependency Caching
#19 · 1:42
API Gateway Authentication: Cognito vs. Lambda Authorizers
API Security & Token Validation
#20 · 1:43
Kinesis Data Streams: Sharding Limits & KCL Checkpointing
Streaming Data Architecture & Consumer Tracking
#21 · 1:43
Secrets Manager Automatic Rotation Lifecycle
Security Automation & Lambda Secret Rotation
#22 · 1:52
SSM Parameter Store: Hierarchies, Tiers & Decryption
Configuration Management & Secure Strings
#23 · 1:45
DynamoDB Batch Operations & Unprocessed Items
High-Throughput Batching & Exponential Backoff
#24 · 1:42
DynamoDB Query vs. Scan: FilterExpression vs. KeyCondition
Data Retrieval Efficiency, Read Units & Pagination
#25 · 1:43
DynamoDB Transactions: TransactWriteItems & Idempotency
ACID Guarantees Across Multiple DynamoDB Tables
#26 · 1:48
Amazon DynamoDB Time to Live (TTL) Mechanics
Zero-Cost Item Expiration & Lifecycle Cleanup
#27 · 1:45
DynamoDB Streams & Lambda Event Source Mapping
Change Data Capture, Shard Iterators & Error Handling
#28 · 1:45
AWS Lambda Layers: Code Sharing & Package Size Limits
Dependency Management, Custom Runtimes & Uncompressed Quotas
#29 · 1:47
Lambda Destinations vs. Dead Letter Queues (DLQ)
Asynchronous Invocation Routing & Execution Metadata
#30 · 1:49
Lambda Environment Variables & KMS Encryption Helpers
Configuration Injection & Client-Side Decryption SDKs
#31 · 1:47
Lambda Function URLs: Auth Types & CORS Configuration
Direct HTTP Endpoints Without API Gateway
#32 · 1:50
Amazon API Gateway: REST APIs vs. HTTP APIs
Cost Optimization vs. Feature-Rich API Proxies
#33 · 1:48
API Gateway WebSocket APIs & ConnectionId Management
Bidirectional Real-Time Communication & Route Selection
#34 · 1:53
API Gateway Stage Variables & Lambda Aliases
Environment Routing Across Dev, Staging & Production
#35 · 1:51
API Gateway Request Validation & JSON Schema Models
Offloading Input Validation & Eliminating Wasteful Invocations
#36 · 1:47
Cognito Custom Authentication Challenges
Passwordless Login, SMS OTP & Custom Auth Triggers
#37 · 2:10
Amazon Cognito JWT Token Verification
Validating ID Tokens, Access Tokens & JWKS Public Keys
#38 · 1:55
AWS X-Ray Daemon: UDP Port 2000 & Sampling Rules
Distributed Tracing Architecture & Sampling Efficiency
#39 · 1:53
AWS AppConfig: Feature Flags, Rollout & Validators
Runtime Configuration Deployment & Automated Rollback
#40 · 1:50
AWS CodePipeline: Stages, Artifacts & Manual Approvals
Continuous Delivery Orchestration & Governance Gates
#41 · 1:54
AWS CodeArtifact: Private Package Management
Secure Software Dependency Repositories & Upstream Caching
#42 · 1:47
Amazon ECR Lifecycle Policies & Cross-Region Replication
Container Image Governance & Registry Lifecycle Management
#43 · 1:52
Elastic Beanstalk Deployment Policies Trade-Offs
Deployment Strategies: All at Once, Rolling, Immutable & Blue/Green
#44 · 1:53
Elastic Beanstalk Configuration with .ebextensions
Customizing Environment Resources & Operating System Packages
#45 · 1:41
Amazon SQS Dead-Letter Queue (DLQ) Redrive
Poison Pill Isolation & Automated Message Recovery
#46 · 1:39
Amazon SQS Delay Queues vs. Message Timers
Postponing Message Delivery & Visibility Delays
#47 · 1:51
Amazon SNS Message Data Protection & PII Masking
Data Governance, In-Flight Masking & Compliance
#48 · 1:47
Amazon Kinesis Resharding: Shard Splitting & Merging
Stream Capacity Scaling, Hot Shards & Cost Optimization
#49 · 1:48
AWS SAM CLI: Local Testing, Debugging & Emulation
Local Serverless Development & Docker Emulation
#50 · 1:54
AWS Cloud Development Kit (CDK): Constructs & Stacks
Infrastructure as Code in TypeScript, Python & Java