* Removed lumberjack from coremain
As is mentioned in 251, this fix removed lumberjack from coremain.
Signed-off-by: Yong Tang <yong.tang.github@outlook.com>
* Remove lumberjack from log middleware
As mentioned in 251, lumberjack is not suitable for applications like CoreDNS
so it is removed from the log middleware.
Signed-off-by: Yong Tang <yong.tang.github@outlook.com>
* Update log/README.md as lumberjack has been removed
Signed-off-by: Yong Tang <yong.tang.github@outlook.com>
* Adjust default log output from `ioutil.Discard` to `os.Stdout`
Signed-off-by: Yong Tang <yong.tang.github@outlook.com>
953cfc1de4