Takashi Kajinami 1c17ca4382 Enable healthcheck middleware
This change makes healtcheck middleware enabled by default, so that
operators can use the middleware to monitor service availability for
various purpose like healthcheck by load balancers.

Change-Id: I47e65d23ebfe310643896e1de3396cd627a3def3
2021-02-03 14:51:38 -08:00
..
2021-02-03 14:51:38 -08:00