3 months ago
AWS Lambda cold starts were killing our API. Provisioned concurrency fixed it! Went from 2-3 second cold starts to consistent 200ms responses. The cost increase was minimal compared to user experience improvement. Also optimized our function packages - smaller bundles = faster starts. #serverless #lambda #aws #performance
3 months ago
Monitoring stack complete: Prometheus + Grafana + AlertManager. No more surprises in production! Created custom dashboards for each service. Alert fatigue was real at first - tuned thresholds over 2 weeks. Now we get meaningful alerts that actually require action. On-call life improved dramatically! #monitoring #prometheus #grafana #observability
3 months ago
Terraform tip: Always use modules for reusable infrastructure. Our deployment time dropped by 60%! Created modules for common patterns - VPC, EKS cluster, RDS. New environments can be spun up in 15 minutes instead of days. State management with S3 backend and DynamoDB locking is rock solid. #terraform #iac #devops #automation
2 months ago
Implemented blue-green deployment. Zero-downtime releases are now our standard! AWS CodeDeploy handles the traffic shifting automatically. Rollbacks happen in seconds if health checks fail. The team deploys with confidence now - even on Fridays. Well, maybe not Fridays. #deployment #devops #cloud #zerodowntime
22 days ago
Disaster recovery drill successful! RTO of 15 minutes achieved with our backup strategy. Tested full region failover on AWS. Route53 health checks trigger automatic DNS failover. Cross-region RDS replicas were the key. Documented everything and trained the team. Sleep better knowing we're prepared! #disasterrecovery #cloud #backup #businesscontinuity
2 months ago
Just migrated our entire infrastructure to AWS. The cost savings with reserved instances are incredible! Went from $15k/month to $8k/month by right-sizing instances and using Savings Plans. The migration took 3 months but the ROI was achieved in just 6 months. Planning and tagging were crucial! #aws #cloud #infrastructure #costoptimization
2 months ago
Container security scan found 3 critical vulnerabilities. Always scan before deploying! Integrated Trivy into our CI pipeline. Base image updates are now automated with Dependabot. Created a policy that blocks deployments with HIGH or CRITICAL findings. Security is everyone's responsibility! #security #docker #devops #containersecurity
3 months ago
Auto-scaling based on custom metrics. CPU usage alone wasn't enough for our workload! Implemented scaling based on queue depth and request latency. Predictive scaling for known traffic patterns (like daily peaks). The cluster now responds to actual business metrics. Right-sizing finally achieved! #autoscaling #cloud #aws #optimization
3 months ago
Kubernetes secrets management with HashiCorp Vault. No more secrets in environment variables! Dynamic secrets with automatic rotation. AWS IAM authentication for pods. The External Secrets Operator syncs Vault secrets to K8s. Audit logs show who accessed what and when. Security team approved! #vault #security #kubernetes #secrets
