feat: use cobra to run the app

cmd/howmuch/main.go

@@ -22,25 +22,19 @@
 
 package main
 
+// Use the init of automaxprocs package to get the real max procs in a
+// container, in order to avoid latency caused by too many threads.
 import (
-	"fmt"
-	"net/http"
+	"os"
 
-	"github.com/gin-gonic/gin"
+	"git.vinchent.xyz/vinchent/howmuch/internal/howmuch"
+	_ "go.uber.org/automaxprocs"
 )
 
-const port = 8080
-
 func main() {
-	fmt.Println("How much do I owe you?")
+	command := howmuch.NewHowMuchCommand()
 
-	r := gin.Default()
-
-	r.GET("/", func(ctx *gin.Context) {
-		ctx.JSON(http.StatusOK, gin.H{
-			"message": "how much?",
-		})
-	})
-
-	r.Run(fmt.Sprintf(":%d", port))
+	if err := command.Execute(); err != nil {
+		os.Exit(1)
+	}
 }