feat: Add default value for DB_MAX_OVERFLOW

[shaohuzhang1]

feat: Add default value for DB_MAX_OVERFLOW

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[shaohuzhang1]

The code snippet appears to be configuring database settings (PostgreSQL) for an application using Django's connection pooling backend. Several comments suggest that this is part of a configuration file.

In terms of potential issues and optimization suggestions:

Potential Issues:

1. Sensitive Information: The DB_PASSWORD value contains plain text, which can expose sensitive information if included in logs or shared files. It would be better practices to store it in environment variables.
2. Default Max Overflow Value: Setting DB_MAX_OVERFLOW=80 might not be optimal based on the expected traffic load. You'd need more context to determine a suitable overflow threshold.

Optimization Suggestions:

1. Encryption or Encapsulation: Since passwords should never be stored in plaintext, consider encrypting them before they are saved into the configuration file. If encrypted, you can decrypt them at runtime when needed.
2. Environment Variables: Use Python’s os.environ.get() to retrieve these values securely and avoid hardcoding credentials directly in your configuration files.
3. Logging Configuration: Ensure there are proper logging configurations to minimize exposure of sensitive information in logs.

Overall the provided code looks well-structured and follows typical patterns used in Django projects for PostgreSQL setup. For production environments, consider enhancing security measures such as encryption.