Tag: #migration
Writing on GPUs, LLMs, MLOps, Kubernetes — and mindset · 32 posts
From Ingress to Gateway API — Why, What, and How It Changes
Starts from the limits of Ingress (annotation hell, no role separation), then lays out the Gateway API resource model in a mapping table. Covers the ingress2gateway migration tool, per-controller support status, a gradua
2026-06-14 · 8 min read #ingress#gateway-api#kubernetes#networking#migrationCore Banking Modernization Strategy — From Mainframe to Cloud Native
A comparative analysis of strategies for modernizing legacy core banking. We cover big-bang rebuilds versus incremental strangler patterns, core decomposition, the cloud-native core banking wave, the Korean regulatory en
2026-06-13 · 23 min read #core-banking#modernization#cloud#mainframe#migrationFrom SiteMinder to Keycloak — A Legacy SSO Migration Strategy and Practical Roadmap
A practical roadmap for migrating a SiteMinder estate to Keycloak: application inventory classification, an object mapping table, SAML brokering coexistence architecture, oauth2-proxy header translation, gradual password
2026-06-12 · 16 min read #keycloak#siteminder#sso#iam#migrationDB Migration Tools 2026 — Atlas / Flyway / Liquibase / Bytebase / pgroll / Squawk / gh-ost Deep Dive
The 2026 landscape of database schema migration tools. Atlas declarative model, the Flyway 11 vs Liquibase 4.30 camps, Sqitch dependency graphs, Bytebase 3 DevOps workflow, pgroll zero-downtime expand-contract, Squawk li
2026-05-16 · 25 min read #database#migration#schema-management#atlas#flywayTailwind CSS 4 Deep Dive — Oxide Engine, Vite-First Architecture, CSS-First Config, and a Real v3 Migration Story for 2026
Tailwind CSS 4 is not a point release. It is a rewrite — the engine is in Rust, the JS config file is gone, the content array is gone, and the entire toolkit of modern CSS is now wired straight into the framework. A year
2026-05-14 · 18 min read #tailwind-css#tailwind-v4#oxide#vite#cssThe Complete Guide to Flyway -- Automating Database Migrations
A comprehensive guide to automating database migrations with Flyway. Covers installation, configuration, version control, CI/CD integration, and team collaboration strategies.
2026-04-12 · 14 min read #database#flyway#migration#sql#devopsEviction, Drain, Migration Failure Modes: How KubeVirt Handles Failures
Analyzes how KubeVirt handles node drain, eviction, live migration failures, post-copy irrecoverable states, and non-migratable conditions through status fields and code paths.
2026-03-20 · 6 min read #architecture#kubevirt#migration#eviction#drainThree Thousand Kilometers: What the Monarch Butterfly Teaches Developers About Legacy
No single monarch butterfly completes the round trip from Canada to Mexico. The migration takes four generations — yet each generation carries knowledge it has never personally experienced. Developers carry the same kind
2026-03-18 · 15 min read #monarch-butterfly#migration#collective-knowledge#purpose#natureKubernetes Velero Backup and Disaster Recovery Strategy
A comprehensive guide to Kubernetes backup and disaster recovery using Velero, covering backup policies, restore procedures, and cross-cluster migration.
2026-03-08 · 21 min read #kubernetes#velero#backup#disaster-recovery#migrationComplete Guide to the Strangler Fig Pattern: Zero-downtime Migration from Monolith to Microservices
Strategy for safely migrating from monolith to microservices using the Strangler Fig pattern. Covers Anti-Corruption Layer design, traffic routing, Feature Flag integration, data synchronization, rollback strategies, and
2026-03-08 · 29 min read #architecture#strangler-fig#microservices#migration#monolithKubernetes Gateway API Hands-On Migration — From Ingress to Gateway
A practical guide to migrating from Kubernetes Ingress to Gateway API. Covers concepts of GatewayClass, Gateway, and HTTPRoute, leveraging the ingress2gateway tool, and gradual transition strategies — all with code examp
2026-03-02 · 6 min read #kubernetes#gateway-api#ingress#networking#migrationThe Death and Resurrection of Kubernetes Networking: 5 Changes You Must Know Before March 2026
From the March 2026 EOL of Ingress NGINX, the transition to Gateway API, eliminating annotation technical debt, role-based resource separation, vendor portability, to the adoption of HTTP/3 and QUIC -- an in-depth analys
2026-03-01 · 34 min read #kubernetes#networking#gateway-api#ingress-nginx#http3