Scout, plan, wait
The legacy codebase runs the business. The migration is on every roadmap. Not this one.
Migration
tag:
migration
all tags →2024
2020
The crossover
The first migration had a platform on fire. The second has one that works. That is the harder one.
2017
The first service
Picking the first piece to cut from a Perl monolith, rewriting it in Go, and switching over before you lose your nerve.
2016
Switching to Go
Migrating a payment processing API from Node.js to Go -- what changed, what improved, and what we gave up.
2012
Running two systems at once
Replacing an e-commerce frontend without turning off the old one -- carving over layer by layer while the store takes orders.