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ANKUSH CHOUDHARY JOHALApr 29, 2026 • 15 min read
War Story: Saving $200k/Year on AWS by Migrating 50% of Workloads to Graviton4 with Terraform 1.10
In Q3 2024, our 14-person platform engineering team at a mid-sized fintech slashed annual AWS spend....
#story#saving#200kyear#migrating
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ANKUSH CHOUDHARY JOHALMay 1, 2026 • 4 min read
Step-by-Step: Migrating 2026 On-Prem Servers to AWS EC2 Graviton4 Using VMware HCX 4.0
Step-by-Step: Migrating 2026 On-Prem Servers to AWS EC2 Graviton4 Using VMware HCX 4.0 As...
#stepbystep#migrating#2026#onprem
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ANKUSH CHOUDHARY JOHALMay 1, 2026 • 3 min read
Retrospective: Migrating to Next.js 15 App Router Broke 30% of Our User Routes
Retrospective: Migrating to Next.js 15 App Router Broke 30% of Our User Routes Our team...
#retrospective#migrating#nextjs#router
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ANKUSH CHOUDHARY JOHALApr 28, 2026 • 13 min read
Retrospective: Migrating 200 Microservices from Go 1.22 to 1.24: Performance Gains and Pain Points
In Q1 2024, our platform team migrated 214 production Go microservices from 1.22 to 1.24 across 3 AW...
#retrospective#migrating#microservices#performance
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ANKUSH CHOUDHARY JOHALMay 1, 2026 • 10 min read
We Saved 35% on Memory Usage: Migrating from Python 3.12 to 3.13 for FastAPI 0.115 APIs
In Q3 2025, our team cut per-instance memory usage for a high-throughput FastAPI 0.115 API by 35%—no...
#saved#memory#usage#migrating
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ANKUSH CHOUDHARY JOHALApr 30, 2026 • 16 min read
How to Cut 40% of GCP Costs by Migrating 50+ Services from Standard Instances to Tau T2D 2026
In Q3 2025, our 14-person platform team was burning $217k/month on GCP compute for 52 stateless...
#costs#migrating#services#standard
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ANKUSH CHOUDHARY JOHALApr 29, 2026 • 13 min read
Retrospective: Migrating 100 Ingress Rules from HAProxy 3.0 to NGINX 1.25: 25% Lower Cost
When our 4-person platform team was quoted a 40% price hike for HAProxy Enterprise 3.0 licenses to.....
#retrospective#migrating#ingress#rules
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ANKUSH CHOUDHARY JOHALApr 29, 2026 • 20 min read
Retrospective: Migrating from OpenAI to Anthropic API for Code Generation – Lessons Learned
In Q3 2024, our team migrated 14 production code generation pipelines from OpenAI’s GPT-4 API to...
#retrospective#migrating#openai#anthropic
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ANKUSH CHOUDHARY JOHALApr 27, 2026 • 0 min read
Retrospective: Migrating from Supabase to Firebase 2026 Cut Our Backend Costs by 28%
A post by ANKUSH CHOUDHARY JOHAL
#retrospective#migrating#supabase#firebase
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ANKUSH CHOUDHARY JOHAL6d ago • 15 min read
War Story: Migrating 10k Leads from Salesforce to HubSpot 10.0 with Python 3.14
At 3:17 AM on a Tuesday in Q3 2025, our team stared at a 10,000-lead Salesforce export that had just...
#story#migrating#leads#salesforce
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ANKUSH CHOUDHARY JOHALApr 28, 2026 • 14 min read
War Story: Migrating 1000+ IaC Modules from Terraform 1.10 to Pulumi 3.130 with Checkov 3.0
In Q3 2024, our 12-person platform engineering team faced a non-negotiable mandate: migrate 1,042...
#story#migrating#1000#modules
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ANKUSH CHOUDHARY JOHALApr 28, 2026 • 14 min read
Retrospective: Migrating 100 Microservices to Kubernetes 1.32 and Cilium 1.16 – Lessons Learned
In Q3 2024, our team migrated 112 production microservices (yes, 12 more than the headline) from a.....
#retrospective#migrating#microservices#kubernetes
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ANKUSH CHOUDHARY JOHALApr 28, 2026 • 16 min read
War Story: Migrating 500+ Codebases from Checkmarx 10.0 to SonarQube 10.0
In Q3 2023, our 12-person platform engineering team faced a $2.1M annual Checkmarx 10.0 renewal quot...
#story#migrating#codebases#checkmarx
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ANKUSH CHOUDHARY JOHALApr 28, 2026 • 12 min read
War Story: Migrating 1000+ IaC Modules from Terraform 1.10 to Pulumi 3.130 with Checkov 3.0
In Q3 2024, our 14-person platform engineering team stared down a 14-month backlog of IaC tech debt:...
#story#migrating#1000#modules
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