- Let consumers to configure the http transport initially and apply or
defaults on top.
- Add function to initialize a new client based on environment
variables, useful for integrators.
Signed-off-by: David Calavera <david.calavera@gmail.com>
Remove dependencies on docker's version packages.
Allow empty version as a fallback to latest version.
Signed-off-by: David Calavera <david.calavera@gmail.com>