Key Points
- 1..env files store sensitive environment variables securely on local machines.
- 2.There are different types of .env files like .env.example and .env.production for various environments.
- 3.Never share .env files publicly; use placeholders in .env.example instead.
- 4.Environment variables can differ across development, QA, and production settings.
Summary
Understanding .env Files
.env files primarily hold sensitive information like API keys. These files are crucial for maintaining security, as they prevent sensitive information from being exposed in your code base.
Types of .env Files
Multiple types of .env files exist, including .env, .env.example, and .env.production, each serving different purposes. For instance, .env.example provides placeholders for users to input their own keys without revealing actual sensitive data.
Local Storage of .env Files
.env files should only reside on local machines and should not be shared or committed to version control systems like GitHub. This security practice ensures that sensitive data remains protected.
Granularization of API Keys
Developers often use different API keys for various environments such as dev, QA, and production. This approach, known as granularization, helps manage and separate the functionality and billing aspects related to each environment.
Worth watching for
This video is for beginners looking to understand the purpose and functionality of .env files in software development.