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Lessons (10)

• CloudWatch: Know What Your App Is Doing

  Use logs, metrics, alarms, and audit records to discover a problem before users have to report it. The …

• Clean Error Handling

  … idea A smoke alarm that stays silent during a fire is worse than no alarm, because it makes …

• Containers at Scale: ECS Deep Dive and EKS

  … groups with linear or canary patterns and CloudWatch alarm rollback. - Set a load balancer health check grace period …

• Multi-Account Strategy, Governance and Security Operations

  … GuardDuty, alarms, anomaly in CloudTrail. 2. Contain : revoke sessions (attach an explicit deny with a TokenIssueTime condition), isolate …

• Event-Driven Patterns, Step Functions and Reliable Lambdas

  … Tune it for the workload and alarm on DLQ depth. 3. Enable partial batch response so one bad …

• Safe AWS Deployments with IaC and CI/CD

  … Approved deploy] A -- V[Verify real endpoint and alarms] Infrastructure as code Tool Simple description --- --- Terraform Works across …

• Domains, Load Balancers and HTTPS

  … Use alarms and a deployment readiness gate. Practice: your app serves /health , but the target group checks / . What …

• AWS: Start Here

  … Lambda SQL database RDS Login Cognito Logs and alarms CloudWatch Security and cost, from day one Never use …

• Practical Project: Deploy a Real CRM App on EKS

  … period Metrics Container Insights for CPU, memory, restarts Alarms Pod restarts, ALB 5xx rate, RDS CPU and free …

• Practical Lab: S3 File Upload and CloudFront Delivery with NestJS

  … bytes for important uploads) - [ ] Set a CloudWatch billing alarm and S3 request alerts - [ ] Turn on CloudFront standard logging …