Limited Time Offer! For Less Than the Cost of a Starbucks Coffee, Access All DevOpsSchool Videos on YouTube Unlimitedly. Master DevOps, SRE, DevSecOps Skills! Enroll Now Source:-techrepublic.com Make your docker-compose.yml composition easier and cleaner by declaring variables in an .env file. The Docker environment variable file (.env) is crucial when you’re creating complex container deployments. As you might expect from the name, this file allows you to declare environment variables for your containers. This comes in quite handy, as the