Hi! In case you use consul tool here us collection of health checks ready to use for some well known applications , like nginx, MySQL , PostgreSQL, memcached.
Follow google group thread - https://groups.google.com/forum/m/#!topic/consul-tool/08NI1vH4Gjc
or download directly from #SparrowHub - https://sparrowhub.org/search?category=monitoring
Collection of consul health checks for some well known applications | Heykuki News