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main.go
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main.go
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package main
import (
"context"
"github.com/gin-gonic/gin"
"goevent/api"
"goevent/database"
"goevent/errors"
"log"
"net/http"
"os"
"os/signal"
"syscall"
"time"
)
func main() {
gin.ForceConsoleColor()
_ = database.Connect()
router := gin.Default()
router.Use(errors.HandlerError())
api.ApplyRoutes(router)
srv := &http.Server{
Addr: ":8080",
Handler: router,
}
// Initializing the server in a goroutine so that
// it won't block the graceful shutdown handling below
go func() {
if err := srv.ListenAndServe(); err != nil && err != http.ErrServerClosed {
log.Fatalf("listen: %s\n", err)
}
}()
// Wait for interrupt signal to gracefully shutdown the server with
// a timeout of 5 seconds.
quit := make(chan os.Signal)
// kill (no param) default send syscall.SIGTERM
// kill -2 is syscall.SIGINT
// kill -9 is syscall.SIGKILL but can't be catch, so don't need add it
signal.Notify(quit, syscall.SIGINT, syscall.SIGTERM)
<-quit
log.Println("Shutting down server...")
// The context is used to inform the server it has 5 seconds to finish
// the request it is currently handling
ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
defer cancel()
if err := srv.Shutdown(ctx); err != nil {
log.Fatal("Server forced to shutdown:", err)
}
log.Println("Server exiting")
}