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Lucía Sánchez
1 month ago
Load balancer configuration matters! Switched to least connections algorithm and improved response times. Was using round-robin but some backend instances were getting overwhelmed. Added health checks with proper thresholds. Also implemented connection draining for graceful deployments. #nginx #loadbalancing #cloud #performance
Lucía Sánchez
2 months ago
Redis cluster for session management. 10x faster than database-backed sessions! Set up Redis Sentinel for high availability. Memory optimization with appropriate eviction policies was key. Also using Redis for rate limiting and caching. The versatility of Redis never ceases to amaze me! #redis #caching #cloud #performance
Lucía Sánchez
2 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
Lucía Sánchez
2 months 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
Lucía Sánchez
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
Lucía Sánchez
2 months ago
Kubernetes cluster is finally production-ready. Auto-scaling handles traffic spikes beautifully! Set up HPA based on custom metrics from our application. During Black Friday, the cluster scaled from 10 to 45 pods seamlessly. Zero downtime despite 10x normal traffic. Worth every hour of setup! #kubernetes #k8s #devops #autoscaling
Lucía Sánchez
17 days 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
Lucía Sánchez
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
Lucía Sánchez
1 month 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
Lucía Sánchez
1 month ago
Docker Compose for local development, Kubernetes for production. Best of both worlds! The key was making the configs as similar as possible. Environment variables bridge the gap. Developers can run the full stack locally with one command. Onboarding new team members is now a breeze! #docker #kubernetes #devops #development