CF & The 12-factor App 101: The Secret Decoder Ring for Operations
summary
Argues that success on CF comes from concrete practices not vague principles: everything in revision control, dependencies declared and version-pinned (requirements.txt, Bundler), config kept in the environment and bound services used instead of baked files, clear build/release/run separation, prefer stateless processes with explicit handling for stateful ones, blue‑green deploys and disposability, centralized searchable logs (ELK/Splunk) with a transaction token in logs to trace requests, full monitoring of metrics, and one‑time jobs handled via BOSH errands.
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chapters (14)
- 0:00Introduction to 12-factor apps
- 1:47Version control as foundation
- 3:13Explicit dependencies matter
- 5:01Config vs code separation
- 7:12DevOps perspective on 12-factor
- 10:40Build release run stages
- 11:43Process isolation and statelessness
- 15:52Concurrency and scalability
- 17:00Disposability and cattle vs pets
- 18:49Dev vs prod environment parity
- 20:22Comprehensive logging practices
- 22:32Monitoring and root cause analysis
- 23:36Admin processes in 12-factor
- 25:4512 factors impact on success
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