Reduce the size of custom Docker image – How to keep it small?
While creating a custom docker image from Dockerfile, follow these steps and best practices to reduce the size of the docker image created
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Passing run-time variable in Dockerfile
Pass any runtime variable while creating Docker image from Dockerfile. When having parameters as an env file or configuration files that need to be selected while running docker image, then you may not require to create different Dockerfile for all different environments. This Article can help you pass those variable on go and you can use one Dockerfile for all environments
Multi Stage Dockerfile
This article discusses about multistage Dockerfile concept, how it works and how to implement with example. Main focus of this article is “to see what can we do to optimize image generation and make it smaller in size”, This article is suitable for optimization purpose of docker images