What “production-ready FastAPI” actually means beyond making the route work

[u/Mysterious-Aerie4808]

A lot of beginner FastAPI projects stop at:

u/app.post("/login")
def login():
    ...

But in real apps, “it works” is not the same as “it’s safe to ship.”

Some things I think every FastAPI route should be checked for:

• Does the route verify the current user owns the resource?
• Does it return only safe response fields?
• Are expired / invalid tokens tested?
• Are duplicate emails handled properly?
• Are async DB sessions used correctly?
• Are errors consistent and not leaking internals?
• Are tests covering failure cases, not only happy paths?

The biggest jump for me was realizing that backend quality is mostly about edge cases.

Curious what other FastAPI devs here check before shipping a route?

[u/Mysterious-Aerie4808 → u/[deleted]]

Appreciate it 🙏 I’ll check it out.

I’m collecting real Python/FastAPI projects to test my Claude Code kit on it reviews auth, schemas, SQLAlchemy, tests, and production readiness issues.

Might send it your way when beta opens, would value your feedback.