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#370Beginner
2.0/5
Containerization
15 min

Configure Environment Variables in Docker

Pass environment variables to Docker containers for configuration.

Tools & Technologies
DockerEnvironment VariablesConfigurationContainers
Objective

Use environment variables to configure containerized applications.

Requirements
  • Pass env vars with -e flag
  • Use env file
  • Access in container
  • Use in Dockerfile
  • Override defaults
Tips

Don't commit .env files. Use for configuration not secrets. List with docker inspect. Use ARG for build-time variables.

Solution
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Difficulty & Effort Breakdown
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Beginner(Approachable)

15 min

Est. Time

5

Requirements

4

Technologies

Containerization

Category

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External References
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