Django / Correctness and production evidence

Django β€” Correctness and production evidence

Transactions, query cost, security, assets, async/cache boundaries, and observability.

6 lessons Β· No account required

What you will learn

  • Transactions, query cost, security, assets, async/cache boundaries, and observability.

  1. Transactions and concurrent writes

    Protect complete business transitions with database-supported constraints, guarded writes, and explicit post-commit effects.

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  2. Query performance and measurement

    Measure bounded representative work, inspect query shape and plans, and preserve business meaning while improving cost.

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  3. Security settings and trust boundaries

    Keep host, origin, transport, input, and permission guarantees separate while applying a reviewed deployment configuration.

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  4. Static assets, media, and deployment

    Separate authored assets from untrusted uploads and coordinate build artifacts, storage, and the production request boundary.

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  5. Async views, caching, and work ownership

    Choose execution and cache boundaries deliberately without treating async syntax or a cache hit as a guarantee of correctness or durability.

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  6. Observability and operational readiness

    Connect safe logs, health signals, release evidence, and recovery procedures without claiming that one successful check proves the whole service.

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