For me, a simple build tool/process that can be run locally, and also easily replicated in a CI system (that then gets run on each PR). Note this might mean run

For me, a simple build tool/process that can be run locally, and also easily replicated in a CI system (that then gets run on each PR). Note this might mean running it as a docker container. I believe the quality of the build process greatly affects the quality of the code it produces.