Scaffolding baseline

service/internal/api/router.go

@@ -0,0 +1,29 @@
+package api
+
+import (
+	"net/http"
+)
+
+const defaultAllowedOrigin = "http://localhost:5173"
+
+func withCORS(next http.Handler) http.Handler {
+	return http.HandlerFunc(func(writer http.ResponseWriter, request *http.Request) {
+		writer.Header().Set("Access-Control-Allow-Origin", defaultAllowedOrigin)
+		writer.Header().Set("Access-Control-Allow-Methods", "GET, OPTIONS")
+		writer.Header().Set("Access-Control-Allow-Headers", "Content-Type")
+
+		if request.Method == http.MethodOptions {
+			writer.WriteHeader(http.StatusNoContent)
+			return
+		}
+
+		next.ServeHTTP(writer, request)
+	})
+}
+
+func NewRouter() http.Handler {
+	mux := http.NewServeMux()
+	mux.HandleFunc("GET /health", HealthHandler)
+	mux.HandleFunc("GET /api/v1/status", StatusHandler)
+	return withCORS(mux)
+}