Docker cache for maven build

Problem statement : For docker users, use of docker cache will save a lot of development time. Docker works based on layers and these layers are cached as per order of execution. If the docker cache is used smartly it can save a lot of time for docker users. This section only covers the advantages during the docker build as it is applicable till the docker image is created. This topic assumes fair knowledge of docker image and its usage. Following example shows a docker file created for a spring boot application.  Step1:- The base image is created Step2:- Workdir is created Step3:- Copy command is executed Step4:- Run command is executed Step5:- CMD command is recorded as the command for container The actual execution happens as depicted in the diagram below.  Step1:- An intermediate container is created which forms the Layer1 and is cached Step2:- The earlier layer is reused and container c xGraphModel%3E%3Croot%3E%3CmxCell%20id%3D%220%22%2F%3E%3CmxCell%20id%3D%221%22%20paren...