guestguard/internal/api/health.go

package api

import (
	"context"
	"net/http"
	"time"

	"github.com/jackc/pgx/v5/pgxpool"
)

type healthHandler struct {
	pool *pgxpool.Pool
}

func (h *healthHandler) live(w http.ResponseWriter, _ *http.Request) {
	writeJSON(w, http.StatusOK, map[string]string{"status": "ok"})
}

func (h *healthHandler) ready(w http.ResponseWriter, r *http.Request) {
	ctx, cancel := context.WithTimeout(r.Context(), 2*time.Second)
	defer cancel()
	if err := h.pool.Ping(ctx); err != nil {
		writeJSON(w, http.StatusServiceUnavailable, map[string]string{
			"status": "unavailable",
			"db":     "down",
		})
		return
	}
	writeJSON(w, http.StatusOK, map[string]string{
		"status": "ok",
		"db":     "up",
	})
}