Lessons learned during extraction of a complex service from 1M+ LOC monolith. During this project, we migrated an internal API from REST to GraphQL optimising it heavily. I talk about old patterns in a new setting, incremental changes and broken production.
API Optimisation Tale: Monitor, Fix and Deploy (on Friday)
Delivered at: RailsConf 2021, RubyDay.it 2021, EMEA on Rails 2021, RubyConf.br 2021, BuildStuff Lithuania 2022