Init: bootstrap go module

cmd/root.go

@@ -0,0 +1,26 @@
+package cmd
+
+import (
+	"strings"
+
+	"gitea.konchin.com/ytshih/inp2025/game/cmd/serve"
+	"github.com/spf13/cobra"
+	"github.com/spf13/viper"
+)
+
+var RootCmd = &cobra.Command{
+	Use:   "game",
+	Short: "Game for Intro. to Network Programming 2025",
+	PersistentPreRun: func(cmd *cobra.Command, args []string) {
+		viper.AutomaticEnv()
+		viper.SetEnvKeyReplacer(strings.NewReplacer("-", "_"))
+		viper.BindPFlags(cmd.PersistentFlags())
+		viper.BindPFlags(cmd.Flags())
+	},
+}
+
+func init() {
+	cobra.EnableTraverseRunHooks = true
+
+	RootCmd.AddCommand(serve.RootCmd)
+}

cmd/serve/backend.go

@@ -0,0 +1,60 @@
+package serve
+
+import (
+	"log"
+	"net/http"
+
+	"github.com/spf13/cobra"
+	"github.com/spf13/viper"
+	httpSwagger "github.com/swaggo/http-swagger"
+	"github.com/uptrace/bunrouter"
+	"go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp"
+	"go.uber.org/zap"
+
+	_ "gitea.konchin.com/ytshih/inp2025/game/backend/docs"
+	"gitea.konchin.com/ytshih/inp2025/game/backend/middlewares"
+	"gitea.konchin.com/ytshih/inp2025/game/tracing"
+)
+
+// @title			NASAOJ v3
+// @version		2.0
+// @license.name	0BSD
+// @BasePath		/
+var backendCmd = &cobra.Command{
+	Use:   "backend",
+	Short: "Game backend",
+	Run: func(cmd *cobra.Command, args []string) {
+		ctx := cmd.Context()
+		tracing.InitTracer("game backend")
+
+		router := bunrouter.New()
+		backend := router.NewGroup("").
+			Use(middlewares.ErrorHandler).
+			Use(middlewares.BunrouterOtel).
+			Use(middlewares.AccessLog)
+
+		tracing.Logger.Ctx(ctx).
+			Debug("nmsl",
+				zap.Bool("swagger", viper.GetBool("swagger")))
+
+		if viper.GetBool("swagger") {
+			backend.GET("/swagger/*any",
+				bunrouter.HTTPHandlerFunc(
+					httpSwagger.Handler()))
+		}
+
+		tracing.Logger.Ctx(ctx).
+			Info("http server up",
+				zap.String("http.port", viper.GetString("port")))
+
+		log.Println(http.ListenAndServe(":"+viper.GetString("port"),
+			otelhttp.NewHandler(router, "")))
+	},
+}
+
+func init() {
+	backendCmd.Flags().
+		String("port", "8080", "Port to listen on")
+	backendCmd.Flags().
+		Bool("swagger", false, "Enable swagger")
+}

cmd/serve/root.go

@@ -0,0 +1,11 @@
+package serve
+
+import "github.com/spf13/cobra"
+
+var RootCmd = &cobra.Command{
+	Use: "serve",
+}
+
+func init() {
+	RootCmd.AddCommand(backendCmd)
+}