Context
Teams usually discover production concerns only after the first incident. By then, reliability work becomes reactive and expensive.
Problem
If logs are unstructured, health checks are absent, and rollback paths are undefined, even small failures become long outages.
Approach
- Validate environment variables before app startup.
- Expose health endpoints for dependencies, not just process uptime.
- Define rollback conditions before release begins.
- Instrument request tracing with correlation IDs.
Trade-offs
Initial development feels slower, but release confidence improves and recovery time falls significantly after the first issue.
Lessons
Production-readiness work is compounding infrastructure. The sooner it exists, the cheaper every future release becomes.