grim/convey

stop messing the with HOME envvar, we don't need to and add back the ${VCS}_* envvars for backwards compatibility
package docker
import (
"errors"
)
var (
errDetachRemoved = errors.New("the detach attribute was removed in convey 0.15.0")
errHealthCheckRemoved = errors.New("the healthcheck attribute was removed in convey 0.15.0")
)