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Dart Environment Variables

Using Environment Variables

Dart environment variables use Platform.environment.

Introduction to Dart Environment Variables

Dart environment variables provide a way to access environment-specific configuration for your applications. They are useful for storing sensitive information like API keys, database URLs, and other configuration details that should not be hardcoded into your application.

Accessing Environment Variables in Dart

In Dart, environment variables can be accessed using the Platform.environment map, which provides a simple interface to read these variables. The keys and values in this map are strings representing the environment variable names and their corresponding values, respectively.

Common Use Cases for Environment Variables

Environment variables are commonly used for:

  • API Keys: Securely storing keys for accessing third-party services.
  • Database Connections: Configuring database endpoints and credentials without embedding them in your codebase.
  • Environment Configuration: Setting different variables for development, testing, and production environments.

Best Practices for Using Environment Variables

When working with environment variables in Dart, consider the following best practices:

  • Use environment variables to store sensitive information that should not be part of your codebase.
  • Ensure that your environment variables are set in the environments where your application is deployed.
  • Use a library or tool for managing environment variables during development, such as dotenv for Dart.

Conclusion

Using environment variables in Dart is an effective way to manage configuration for your applications. They help keep sensitive information secure and allow for flexible application setups across different environments. By following best practices, you can ensure your application is both secure and easy to manage.

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