Environment Variables
Browse all articles, tutorials, and guides about Environment Variables
Posts
How Can I Use Environment Variables in docker-compose?
Learn the best ways to manage and use environment variables in docker-compose files, including .env files, variable substitution, and secure practices for real-world projects.
Defining Variables with and without Export in Linux Shell
Understand the difference between regular shell variables and exported environment variables, when to use export, and how variable scope affects scripts and processes.
How to Delete Exported Environment Variables in Linux
Learn different methods to remove environment variables from your current shell session and prevent them from persisting in future sessions.
How to Read Environment Variables From a .env File in Terraform
Learn different approaches for loading environment variables from .env files into Terraform, from shell scripts to external data sources.
How Do I Pass Environment Variables to Docker Containers?
Environment variables are a clean way to configure your Docker containers without hardcoding values. This guide shows different methods and when to use each.
How to Permanently Set $PATH on Linux and Unix
Learn how to permanently modify your PATH environment variable on Linux and Unix systems so your custom directories persist across shell sessions and reboots.