vouch#277 log OAuth config

vouch#274 move debug logging of config post LogLevel

add docker alpine build and run

upgrade to go 1.14

1.14 includes testing.Cleanup() which is used in the env var testing

Merge branch 'fix/bad_file'

Revert "print warning for deprecated config items"

This reverts commit ea2ebab.

style and spacing

cleanup debug logging

set Host header in logout test

add gofmt