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 The Role of Docker in DevOps – Visualpath

Docker is a platform that turns out to be a perfect fit for the DevOps ecosystem. It is developed for software companies that are struggling to pace up with the changing technology, business, and customer requirements. The benefits Docker offers to the DevOps environment has made it an irreplaceable tool in the toolchain.

The reason for Docker being so good for DevOps is its benefits and use cases of containerizing the applications that support development and quick release. DevOps is primarily used to overcome 'Dev' and 'Ops' problems, and Docker seems to solve most of them, with the main one being that it can work on any machine. Thus, it allows all the teams to collaborate and work effectively and efficiently.

Best practices for creating Docker images

• Begin with an appropriate base image
• Use multi-stage builds. If you want to use a Docker version that does not include multi-stage builds, try reducing the number of layers in your image.
• If you have multiple images that have a lot in common, you can create your own base image with shared components and then base your unique images on them.
• Use production image as the base image to keep production image lean but enable it for debugging
• When you build images, consider tagging them with useful tags that codify intended destination, version information, and stability.

How Docker improves the DevOps approach?

One of the biggest benefits of using Docker with DevOps is that developers, testers, and system admins all use it. For instance, developers can use Docker files to create Docker images on local computers and run them. The system administrators can use the same Docker images to make updates and stage the production environments.

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