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BACKEND-DEVELOPMENT5 MIN READ

Move Config Out of Code

Separate backend config from code so a release artifact can move safely across environments.

Config is a runtime contract The useful test is not whether a value is small. The test is whether the value would change between deploys while the behavior should remain the same. A queue URL, S3 bucket, auth issuer, rate limit, or vendor endpoint is not business logic. It is a runtime binding. Make failure early and visible Moving config out of code only helps if the service refuses bad config. Parse it once at boot, validate required keys, reject unsafe combinations, and show a safe startup summary. The goal is a single artifact that can be promoted with confidence…

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