Always provide example files with dummy values, e.g., .env-production.example . This documents required variables without exposing secrets.
You can pass build arguments into a Docker image using --build-arg and then generate a .env file inside the image. However, this burns secrets into the image layer – not recommended. Instead, mount secrets at runtime.
Use python-dotenv :
In production, you need:
file is the industry-standard way to keep your configuration private and separate from your codebase. What is a .env file? Always provide example files with dummy values, e
The Power of .env : A Comprehensive Guide to Environment Variables in Modern Development
Remember the golden rules:
env.example template or a for these files? Share public link
The .env file is a simple text file used in web development to store configuration variables and sensitive information, such as API keys, database credentials, and environment-specific settings. However, this burns secrets into the image layer