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• Dockerfile: bump Gunicorn workers to 4 for concurrent request handling • server.py: - Load SMTP credentials once at startup - Wrap send_confirmation_email in a daemon Thread for “fire-and-forget” delivery - Replace print() with structured app.logger.error() on failure - Add before_request/after_request hooks to log per-request durations - Use context manager for SMTP_SSL connections (auto-close) - Simplify route JSON responses and HTTP methods declarations - Retain existing DB logic but recommend low DB connect_timeouts - Ensure Flask binds on 0.0.0.0 in development These changes eliminate request blocking on email I/O, expose request latencies in logs, and improve overall concurrency. |
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| database.py | ||
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| requirements.txt | ||
| server.py | ||