50 lines
776 B
Go
50 lines
776 B
Go
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package main
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import (
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"context"
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"fmt"
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"log"
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"net/http"
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"os"
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"os/signal"
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"syscall"
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"time"
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)
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func main() {
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if err := run(); err != nil {
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log.Fatal(err)
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}
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}
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func run() error {
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handler := func(w http.ResponseWriter, r *http.Request) {
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_, _ = w.Write([]byte("pong"))
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}
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srv := &http.Server{
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Addr: ":8080",
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Handler: http.HandlerFunc(handler),
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}
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serveChan := make(chan error, 1)
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go func() {
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serveChan <- srv.ListenAndServe()
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}()
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stop := make(chan os.Signal, 1)
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signal.Notify(stop, syscall.SIGINT, syscall.SIGTERM)
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select {
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case <-stop:
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fmt.Println("shutting down gracefully")
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ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
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defer cancel()
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return srv.Shutdown(ctx)
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case err := <-serveChan:
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return err
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}
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}
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