gohttpserver/internal/server/handlehealthcheck.go

package server

import (
	"net/http"
	"time"
)

func (s *server) handleHealthCheck() http.HandlerFunc {
	type response struct {
		Status        string `json:"status"`
		Now           string `json:"now"`
		UptimeSeconds int64  `json:"uptime_seconds"`
		UptimeHuman   string `json:"uptime_human"`
		Version       string `json:"version"`
		Appname       string `json:"appname"`
		Maintenance   bool   `json:"maintenance_mode"`
	}
	return func(w http.ResponseWriter, req *http.Request) {
		resp := &response{
			Status:        "ok",
			Now:           time.Now().UTC().Format(time.RFC3339Nano),
			UptimeSeconds: int64(s.uptime().Seconds()),
			UptimeHuman:   s.uptime().String(),
			Maintenance:   s.maintenance(),
			Appname:       s.appname,
			Version:       s.version,
		}
		s.respondJSON(w, req, resp, 200)
	}
}