Logo
Oskar Larsson
1 month ago
CloudFront CDN reduced our bandwidth costs by 40%. Cache invalidation is the only hard part! Set up origin shield to reduce load on our servers. Custom cache policies per content type. The edge locations make a huge difference for global users. Just remember: there are only two hard things in CS... #cdn #cloudfront #aws #performance
Oskar Larsson
3 months ago
Azure DevOps pipelines are surprisingly powerful. Parallel jobs cut our build time in half! Set up a matrix strategy for testing across environments. Artifact caching reduced redundant work. The integration with Azure resources is seamless. Template reuse across projects saves so much time! #azure #cicd #devops #automation
Oskar Larsson
3 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
Oskar Larsson
3 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
Oskar Larsson
3 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
Oskar Larsson
3 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
Oskar Larsson
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
Oskar Larsson
21 days 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
Oskar Larsson
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
Oskar Larsson
3 months 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
Oskar Larsson
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
Oskar Larsson
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
Oskar Larsson
2 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
Oskar Larsson
29 days 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
Oskar Larsson
2 months ago
Azure DevOps pipelines are surprisingly powerful. Parallel jobs cut our build time in half! Set up a matrix strategy for testing across environments. Artifact caching reduced redundant work. The integration with Azure resources is seamless. Template reuse across projects saves so much time! #azure #cicd #devops #automation
Oskar Larsson
2 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
Oskar Larsson
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
Oskar Larsson
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
Oskar Larsson
2 months 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
Oskar Larsson
2 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
Oskar Larsson
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
Oskar Larsson
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
Oskar Larsson
3 months ago
CloudFront CDN reduced our bandwidth costs by 40%. Cache invalidation is the only hard part! Set up origin shield to reduce load on our servers. Custom cache policies per content type. The edge locations make a huge difference for global users. Just remember: there are only two hard things in CS... #cdn #cloudfront #aws #performance
Oskar Larsson
3 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
Oskar Larsson
3 months ago
Azure DevOps pipelines are surprisingly powerful. Parallel jobs cut our build time in half! Set up a matrix strategy for testing across environments. Artifact caching reduced redundant work. The integration with Azure resources is seamless. Template reuse across projects saves so much time! #azure #cicd #devops #automation
Oskar Larsson
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
Oskar Larsson
2 months 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
Oskar Larsson
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