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Ballerina is an open source programming language that specializes in moving from code to cloud while providing a unique developer experience. Its compiler can be extended to read annotations defined in the source code and generate artifacts to deploy your code into different clouds. Docker helps to package applications and their dependencies in a binary image that can run in various locations, whether on-premises, in a public cloud, or in a private cloud. To create optimized images, developers have to follow a set of best practices, otherwise the image that is built will be large in size.