feat: scaffold files service

internal/handler/health.go

@@ -0,0 +1,27 @@
+package handler
+
+import (
+	"net/http"
+
+	"github.com/jackc/pgx/v5/pgxpool"
+)
+
+type HealthHandler struct {
+	pool *pgxpool.Pool
+}
+
+func NewHealthHandler(pool *pgxpool.Pool) *HealthHandler {
+	return &HealthHandler{pool: pool}
+}
+
+func (h *HealthHandler) Healthz(w http.ResponseWriter, _ *http.Request) {
+	writeJSON(w, http.StatusOK, map[string]string{"status": "ok"})
+}
+
+func (h *HealthHandler) Readyz(w http.ResponseWriter, r *http.Request) {
+	if err := h.pool.Ping(r.Context()); err != nil {
+		writeInternalError(w, r, err, "database unavailable")
+		return
+	}
+	writeJSON(w, http.StatusOK, map[string]string{"status": "ready"})
+}