4 articles tagged with Migration.
A practical guide to renaming resources, migrating backends, and splitting or merging Terraform state without destroying and recreating infrastructure.
We moved 40 services off the nginx Ingress controller onto Gateway API without a single dropped connection. Here's the routing overlap trick that made it boring.
We inherited 200-odd AWS resources built by hand over four years, with no state file anywhere. Here's how import blocks and a generation workflow got them under Terraform without a rebuild.
A single ALTER TABLE took a lock and stalled every write for 40 seconds during peak traffic. Expand-contract is how we stopped shipping outages.
