Buildpacks on Cloud Foundry
Historically, through the pioneering efforts of Heroku, the management of Ruby (the programming language) dependencies were merged with the base operation system image, called a stack in the Heroku world. On Cloud Foundry, this is called a stemcell. It was later identified that, by separating the Ruby dependencies into a component called Buildpacks, they were able to iterate quickly on the Ruby dependencies relative to the operating system image. In essence, a buildpack is the runtime and framework support for an application.
For most applications that are built on a framework, dependencies and runtime frameworks are usually required to be shipped with the application, or they are installed on the target platform ...
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