Upload
You can upload a Dockerfile or a tar archive containing a Dockerfile from your computer. When using a tarball, the root folder will be used as the build
context.
Indicate the path to the Dockerfile within the tarball.
URL
Specify the URL to a Dockerfile, a tarball or a public Git repository (suffixed by .git). When using a tarball or a Git repository URL, the root folder
will be used as the build context.
Indicate the path to the Dockerfile within the tarball/repository (ignored when using a Dockerfile).