Limit the options in both errors and log middleware, just output to
stdout and let someone else (journald,docker) care about where to route
the logs. This removes syslog and logging to a file.
Fixes#573#602
This still needs cleanup, but this is a first pass the cleans some
cruft and documents our style (in middleware.md) and makes all the
docs match that style.
* 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>
