12 factors 15 December 2020 XI. Logs (The Twelve Factors) XI. LogsTreat logs as event streamsLogs provide visibility into the behavior of a running app. In server-based environments they are commonly written to a file
12 factors 15 December 2020 X. Dev/prod parity (The Twelve Factors) X. Dev/prod parityKeep development, staging, and production as similar as possibleHistorically, there have been substantial gaps between development (a developer making live edits to
12 factors 15 December 2020 IX. Disposability (The Twelve Factors) IX. DisposabilityMaximize robustness with fast startup and graceful shutdownThe twelve-factor app’s processes are disposable, meaning they can be started or stopped at a moment’
12 factors 15 December 2020 VIII. Concurrency (The Twelve Factors) VIII. ConcurrencyScale out via the process modelAny computer program, once run, is represented by one or more processes. Web apps have taken a variety of
