group "default" { targets = [ "bookworm", "alpine" ] } target "_common" { args = { RUBY_VERSION = "3.4.3" } } target "bookworm" { dockerfile = "./dockerfiles/bookworm.Dockerfile" inherits = [ "_common" ] tags = [ "git.kill0.net/ryanc/kubernaut" ] } target "alpine" { dockerfile = "./dockerfiles/alpine.Dockerfile" inherits = [ "_common" ] tags = [ "git.kill0.net/ryanc/kubernaut:alpine" ] }