Rework app setup

server/internal/app/server.go

@@ -0,0 +1,40 @@
+package app
+
+import (
+	"log"
+	"net/http"
+
+	"github.com/go-chi/chi/v5"
+)
+
+// Server represents the HTTP server and its dependencies
+type Server struct {
+	router  *chi.Mux
+	options *Options
+}
+
+// NewServer creates a new server instance with the given options
+func NewServer(options *Options) *Server {
+	return &Server{
+		router:  setupRouter(*options),
+		options: options,
+	}
+}
+
+// Start configures and starts the HTTP server
+func (s *Server) Start() error {
+	// Start server
+	addr := ":" + s.options.Config.Port
+	log.Printf("Server starting on port %s", s.options.Config.Port)
+	return http.ListenAndServe(addr, s.router)
+}
+
+// Close handles graceful shutdown of server dependencies
+func (s *Server) Close() error {
+	return s.options.Database.Close()
+}
+
+// Router returns the chi router for testing
+func (s *Server) Router() chi.Router {
+	return s.router
+}