Hey, I'm Sabin Joshi
DevOps Engineer with 3 years of getting my hands dirty with AWS, infrastructure, and automation — currently Managing Director at Quantum Bits. This is where I write down everything I learn — so future me (and maybe you) don't have to figure it out the hard way.
What's New with AWS — July 2026: The Month in Review
A themed roundup of every headline launch AWS shipped in July 2026 — back-to-back Anthropic model drops (Claude Sonnet 5 then Claude Opus 5), OpenAI's GPT-5.6 family on Bedrock, Graviton5 compute-optimized instances, up to 60% lower GPU management fees, and a wave of serverless and security releases. Every item links back to the original announcement.
What's New with AWS — June 2026: The Month in Review
A themed roundup of every headline launch AWS shipped in June 2026 — the AWS Summit New York City keynote and its stack of agent launches, Graviton5-powered EC2, Claude Opus 4.8 and a wave of new Bedrock models, plus AgentCore's harness reaching GA and a batch of price cuts. Every item links back to the original announcement.
You Can Now Keep Your AWS Cert Without Retaking the Exam
AWS just shipped a new way to recertify — work through curated training and hands-on labs on Skill Builder instead of sitting a full exam, and your certification extends by a year. Here's how it works and whether it's actually worth it.
What's New with AWS — May 2026: The Month in Review
A themed roundup of every headline launch AWS shipped in May 2026 — the What's Next with AWS event, agents that can pay for things, the Agent Toolkit and AWS MCP Server, Claude Platform on AWS reaching GA, and a run of compute, database, and security releases. Every item links back to the original announcement.
What's New with AWS — April 2026: The Month in Review
A themed roundup of every headline launch AWS shipped in April 2026 — the GA of AWS's first frontier agents, a deep wave of Anthropic/Claude milestones, AWS Interconnect reaching general availability, and a run of serverless, storage, and security releases. Every item links back to the original announcement.
AWS DevOps Agent is Generally Available — and It's a Big Deal
AWS just shipped an autonomous SRE that investigates incidents, learns your runbooks, indexes your code, and integrates with your entire observability stack — let's break down what actually changed from Preview to GA.
What's New with AWS — March 2026: The Month in Review
A themed roundup of every headline launch AWS shipped in March 2026 — Amazon S3's 20th birthday, the general availability of Route 53 Global Resolver, a deep wave of agentic-AI and Bedrock releases, faster Aurora and Lambda serverless, and the return of the AWS AI & ML Scholars program. Every item links back to the original announcement.
What's New with AWS — February 2026: The Month in Review
A themed roundup of every headline launch AWS shipped in February 2026 — new EC2 families, database and security defaults, a wave of Bedrock/agentic AI releases, and a landmark Amazon–OpenAI partnership. Every item links back to the original announcement.
What's New with AWS — January 2026: The Month in Review
AWS opened 2026 by shipping the year's first wave of launches — new Blackwell and Intel Xeon 6 EC2 families, the general availability of the AWS European Sovereign Cloud, .NET 10 on Lambda, and a batch of container, database, and agentic-AI updates. Here's the themed roundup, with every item linked back to source.
Monitoring & Alerting a Web App on AWS: The Minimal Setup That Actually Works
Stop drowning in CloudWatch noise. Here's the lean, opinionated monitoring stack — ALB, RDS, SQS, and budget alerts — that keeps your team sane and your customers happy.
Stop Paying for Idle EC2: Automate Underutilization Reports with Bash & CloudWatch
A Bash script that queries CloudWatch for 7-day CPU and memory averages across every running EC2 instance, flags the underutilized ones, emails an HTML report with a CSV attachment, and runs itself every morning via cron — so you never miss a wasteful instance again.
Kill Your EC2 Cron Jobs: Serverless Scheduling with Lambda, EventBridge & Terraform
That EC2 instance running your cron jobs costs $45/year, needs OS patches, and is a single point of failure. Here's the complete Terraform-based migration to Lambda + EventBridge — with 99.8% cost savings and zero server management.
Real-Time AWS Resource Notifications to Discord Using Terraform
Your AWS account changes silently — instances spin up, VPCs get deleted, RDS clusters get created — and nobody knows until something breaks. Here's how I built a fully event-driven notification pipeline with CloudTrail, EventBridge, SNS, and Lambda that fires a rich Discord message the moment anything changes in your infrastructure.
AWS VPC Deep Dive: Advanced Networking Patterns for Production
CIDR planning, NAT Gateway HA per AZ, VPC PrivateLink for service isolation, Transit Gateway, and Flow Logs for forensics.
Production Observability Stack: Logs, Metrics, Traces on AWS
Unified observability with OpenTelemetry, CloudWatch, Prometheus + Grafana, X-Ray tracing, and SLO-based alerting.
AWS IAM Mastery: Least Privilege at Scale with Permission Boundaries
Permission boundaries for safe delegation, ABAC with tags, SCPs as guardrails, Access Analyzer, and eliminating static credentials.
Aurora PostgreSQL at Scale: Replication, Failover & Performance Tuning
Deep dive into Aurora architecture — RDS Proxy connection pooling, read replica auto-scaling, parameter tuning, and failover under 30s.
From Docker Compose to Kubernetes: A Production Migration Guide
Mapping Compose concepts to K8s objects — Deployments, ConfigMaps, Ingress, health probes, resource limits, and HPA.
Container Security Hardening: Docker, Kubernetes & Supply Chain
Dockerfile hardening, Trivy scanning in CI, Pod Security Standards, Falco runtime detection, and cosign supply chain security.
CloudFront & S3: Building a Global CDN for High-Traffic Web Apps
From 42% to 96% cache hit rate — multi-origin CloudFront, Lambda@Edge for auth and security headers, WAF, and OAC.
Platform Engineering: Building an Internal Developer Platform on AWS
IDP with Backstage, golden path Terraform modules, and DORA metrics — cut deployment lead time from 3 days to 47 minutes.
Serverless at Scale: AWS Lambda, API Gateway & Event-Driven Patterns
Production serverless at 150M+ invocations/month — cold start optimization, concurrency management, SQS/SNS patterns, and Powertools.
Designing a PCI-DSS Compliant Platform on AWS
Architecting a PCI-DSS Level 1 compliant platform on AWS — featuring network segmentation, encryption everywhere, comprehensive audit logging, and continuous compliance monitoring.
Multi-Region AWS Infrastructure for Resilience: A Terraform Deep Dive
Learn how to architect highly available, multi-region AWS infrastructure using Terraform, Transit Gateway, Network Load Balancers, and intelligent routing strategies for enterprise-grade applications.
Automating Mobile App Releases with Fastlane: iOS & Android CI/CD
A comprehensive guide to setting up Fastlane for automated iOS TestFlight and Android Play Store deployments with GitHub Actions, including code signing, version management, and release automation.
Cloud FinOps Framework: AWS Cost Intelligence Dashboard and Cost Anomaly Detection
Architecting a FinOps framework that reduced cloud costs by 30% — featuring Cost Intelligence Dashboard, automated anomaly detection, chargeback mechanisms, and executive-level cost visibility.
Unifying GitOps for AWS: ArgoCD, Terraform, and Crossplane
Crafting a GitOps-driven infrastructure platform combining ArgoCD for application delivery, Terraform for foundational infrastructure, and Crossplane for Kubernetes-native AWS resource management.
Zero-Downtime EKS Upgrades in Production
Implementing a blue-green node group strategy for EKS cluster upgrades with automated rollback, PodDisruptionBudgets, and Terraform orchestration — achieving zero customer impact.