With Compose, there are two ways you can set environment variables in your containers with your Compose file. Don't use environment variables to pass sensitive information, such as passwords, in …

The latest Docker Compose allows you to access environment variables from your compose file. So you can source your environment variables, then run Compose like so:

Feb 20, 2025 · Learn how to set and use Docker Compose environment variables for better configuration management. Explore .env files, inline variables, and best practices.

Nov 29, 2024 · This tutorial demonstrated how to set and use environment variables in Docker Compose using .env files, direct definitions, runtime overrides, and secrets for sensitive data.

Nov 24, 2025 · Fortunately, Docker Compose provides built-in mechanisms to handle environment variables at runtime without relying on external scripts. In this guide, we’ll explore these native …

Sep 24, 2024 · In this article, we’ll cover several ways to define and use environment variables in Docker Compose. There are several methods to set environment variables in Docker Compose, each suited …

Environment variables are essential for configuring containerized applications. This guide covers various approaches to manage them in Docker Compose. app: image: node:alpine. environment: - …

Apr 3, 2025 · When no --env-file arg is given to compose up then docker uses a .env file located next to compose.yaml, if one is present. In each service in compose.yaml environmental variables need to …

Apr 14, 2024 · In Docker Compose, environment variables can be set in several ways: directly in the docker-compose.yml file, in an external .env file, or passed through the command line.

Explains how to set, use, and manage environment variables in Docker Compose.