Production Ready "Hello, World!" Daniela Petruzalek, JPMC

Production readiness goes beyond just working code - it requires considering maintainability, observability, error handling, and user experience

Avoid hard-coded values, magic numbers and strings - make configuration externally modifiable through flags and environment variables

Write tests first - they act as insurance and help guide implementation by being the first client of your code

Keep dependencies minimal - prefer standard library when possible to reduce attack surface and supply chain risks

Add proper logging and observability - include version info, runtime metrics, and enough context to debug issues

Include health checks and proper error handling - give meaningful error messages and status codes

Make code modular and testable - separate concerns like routing, handlers, and business logic

Consider security implications - limit exposed endpoints, validate inputs, handle untrusted data properly

Document the API and error conditions - help users understand how to use and troubleshoot the service

Have proper build/deployment processes - use makefiles, inject build-time variables, handle signals gracefully

Think about maintenance and operation - configure timeouts, add monitoring, plan for debugging

Start simple but be ready to evolve - begin with core functionality but design for future enhancements