Review FastAPI code hosted on heroku before launch in production.

Review the codebase for any potential security vulnerabilities or insecure practices.

Ensure that all endpoints are properly authenticated and authorized.

Check for any potential performance bottlenecks or inefficiencies in the code.

Verify that error handling is implemented correctly and gracefully.

Review the use of third-party libraries and packages for any potential vulnerabilities or outdated versions.

Check for any code duplication or unnecessary complexity.

Ensure that the code follows the project's coding style and conventions.

Verify that the code is properly integrated with the Heroku platform.

Check that all required environment variables are correctly set up.

Review the Heroku configuration files for any potential issues or misconfigurations.

Verify that the necessary Heroku add-ons, such as a database or caching service, are properly configured.

Ensure that the application is using the appropriate dyno type and has sufficient resources allocated.

Review the application logs and monitoring setup to ensure proper visibility into the application's behavior.

Review the test coverage and ensure that all critical functionality is adequately tested.

Verify that the test suite is properly designed and follows best practices.

Test the application manually to ensure that all features and functionality are working as expected.

Check for any potential edge cases or input validation issues.

Review the code for any potential memory leaks or resource usage problems.

Ensure that the application is properly handling and reporting any exceptions or errors that occur during runtime.

Review the API documentation to ensure that it is comprehensive, accurate, and up to date.

Verify that the API endpoints and their respective request/response formats are clearly documented.

Test the API documentation for any broken links or inconsistencies.

Review any user-facing documentation, such as user guides or FAQs, to ensure accuracy and clarity.

Check the application's user interface for any potential usability issues or accessibility concerns.

Verify that any user input is properly validated and sanitized to prevent security vulnerabilities.

Review the application for any potential security vulnerabilities, such as SQL injection or cross-site scripting.

Ensure that sensitive data is properly encrypted and protected.

Verify that the application follows best practices for secure authentication and session management.

Check for any potential compliance issues, such as GDPR or HIPAA requirements, and ensure the application meets the necessary standards.

Review any external integrations or third-party APIs for potential security risks.

Test the application under load to ensure that it can handle the expected traffic volume.

Verify that the application is properly optimized for performance, including efficient database queries and caching mechanisms.

Check for any potential scalability issues, such as bottlenecks in the code or limitations in the infrastructure.

Review any background tasks or scheduled jobs for potential performance or scalability concerns.

Ensure that the application has proper monitoring and alerting in place to detect and respond to performance issues in production.

Define a plan for ongoing maintenance and support, including bug fixes and feature enhancements.

Set up proper error tracking and logging to monitor the application's behavior in production.

Ensure that regular backups are scheduled and that disaster recovery plans are in place.

Review the application's response time and performance metrics in production to identify areas for improvement.

Establish a process for handling customer feedback and bug reports.

Schedule regular reviews and updates to ensure the application stays up to date with security patches and library updates.