Initial commit

internal/handlers/health.go

@@ -0,0 +1,30 @@
+package handlers
+
+import (
+	"database/sql"
+	"net/http"
+)
+
+type HealthResponse struct {
+	Status      string `json:"status"`
+	DBConnected bool   `json:"db_connected"`
+}
+
+type HealthcheckService struct {
+	db *sql.DB
+}
+
+func NewHealthcheckService(db *sql.DB) *HealthcheckService {
+	return &HealthcheckService{db: db}
+}
+
+func (h *HealthcheckService) Health(w http.ResponseWriter, r *http.Request) {
+	response := HealthResponse{
+		Status: "ok",
+	}
+
+	err := h.db.Ping()
+	response.DBConnected = err == nil
+
+	JSON(w, http.StatusOK, response)
+}

internal/handlers/responses.go

@@ -0,0 +1,16 @@
+package handlers
+
+import (
+	"encoding/json"
+	"net/http"
+)
+
+func JSON(w http.ResponseWriter, status int, data any) {
+	w.Header().Set("Content-Type", "application/json")
+	w.WriteHeader(status)
+	json.NewEncoder(w).Encode(data)
+}
+
+func Error(w http.ResponseWriter, status int, message string) {
+	JSON(w, status, map[string]string{"error": message})
+}