feat: HTTP panel on :8000 with first admin setup

internal/server/server.go

@@ -0,0 +1,65 @@
+package server
+
+import (
+	"context"
+	"fmt"
+	"log"
+	"net/http"
+	"time"
+
+	"github.com/jackc/pgx/v5/pgxpool"
+	"github.com/panelhosting/panel/internal/handler"
+	"github.com/panelhosting/panel/internal/repository"
+	"github.com/panelhosting/panel/internal/setup"
+)
+
+type Server struct {
+	httpServer *http.Server
+}
+
+func New(pool *pgxpool.Pool, addr string) (*Server, error) {
+	users := repository.NewUserRepository(pool)
+	setupSvc := setup.NewService(users)
+	setupHandler := handler.NewSetupHandler(setupSvc)
+
+	setupRequired, err := setupSvc.Status(context.Background())
+	if err != nil {
+		return nil, fmt.Errorf("check setup status: %w", err)
+	}
+	if setupRequired {
+		log.Println("setup required: open / to create first admin")
+	}
+
+	mux := http.NewServeMux()
+	mux.HandleFunc("GET /health", handler.Health)
+	mux.HandleFunc("GET /api/v1/setup/status", setupHandler.Status)
+	mux.HandleFunc("POST /api/v1/setup/register", setupHandler.Register)
+	mux.HandleFunc("GET /{$}", handler.IndexPage(setupSvc))
+
+	return &Server{
+		httpServer: &http.Server{
+			Addr:         addr,
+			Handler:      loggingMiddleware(mux),
+			ReadTimeout:  15 * time.Second,
+			WriteTimeout: 15 * time.Second,
+			IdleTimeout:  60 * time.Second,
+		},
+	}, nil
+}
+
+func (s *Server) Start() error {
+	log.Printf("panel listening on %s", s.httpServer.Addr)
+	return s.httpServer.ListenAndServe()
+}
+
+func (s *Server) Shutdown(ctx context.Context) error {
+	return s.httpServer.Shutdown(ctx)
+}
+
+func loggingMiddleware(next http.Handler) http.Handler {
+	return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		start := time.Now()
+		next.ServeHTTP(w, r)
+		log.Printf("%s %s %s", r.Method, r.URL.Path, time.Since(start).Round(time.Millisecond))
+	})
+}