What s the best approach for managing different environments dev staging prod with Docker

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What’s the best approach for managing different environments (dev, staging, prod) with Docker?

This question talks about how to manage a whole lot of different application environments for development, staging, and production is difficult with various configurations and resources. Best practices for using Docker manage different environments. More especially, how can one manage a lot of different settings and dependencies using Docker Compose, Dockerfiles, and environment-specific configuration files? How can one avoid probable errors in these environments while ensuring consistency?
Nov 5 in DevOps Tools by Anila
• 4,440 points
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1 answer to this question.

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Manage Different Environments (dev, staging, prod) With Docker:

Environment Specific Docker Compose Files: This makes use of different files: docker-compose.dev.yml or docker-compose.prod.yml where you may have defined settings depending on the environment.

Use environment variables: Instead of including your environment's specific files, keep all the variables modular and safe using files like.env for your environments.

Docker Build with Multi Stage: optimize images with multiple stages according to different environments (eg dev vs. prod).

Multiple Networks, And Use Secrets: Keep the environment totally isolated into separate networks, while at the same time use docker secrets.

CI/CD Pipeline for Automated Deployments: Create CI/CD pipelines that build, test, and deploy images to any environment in a predictable manner.

Logging and Monitoring Implementation: Use logging and monitoring tools to track container health and performance per environment.

The Docker environments are managed seamlessly, consistently, and securely throughout the entire lifecycle of the software through such an approach.

answered Nov 6 by Gagana
• 5,810 points

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