Add healthckeck for plausible.

services/plausible.hcl

@@ -35,6 +35,13 @@ job "plausible" {
       service {
         name = "plausible"
         port = "http"
+        check {
+          type = "http"
+          port = "http"
+          path = "/api/health"
+          interval = "30s"
+          timeout = "5s"
+        }
         tags = [
           "traefik.enable=true",
           "traefik.http.routers.plausible.entryPoints=websecure",