61 lines
1.3 KiB
Go
61 lines
1.3 KiB
Go
package main
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import (
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"context"
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"flag"
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"go/weather/internal"
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"go/weather/internal/version"
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"go/weather/internal/web"
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"go/weather/pkg/logger"
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"log"
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"os"
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"os/signal"
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"time"
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"go.uber.org/zap"
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)
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func main() {
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var wait time.Duration
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var configFile string
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flag.DurationVar(&wait, "graceful-timeout", time.Second*15, "the duration for which the server gracefully wait for existing connections to finish - e.g. 15s or 1m")
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flag.StringVar(&configFile, "filename", "config.hcl", "configuration filename")
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flag.Parse()
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//logger
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loggerLevel := zap.NewAtomicLevel()
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defaultLogger := logger.NewLogger("weather", "weather.log", loggerLevel)
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defer defaultLogger.Sync()
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//configuration parsing
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config := internal.ParseConfiguration(defaultLogger.Sugar(), configFile)
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//http
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addr := web.NewListenAddr("0.0.0.0", 8080)
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defaultLogger.Sugar().Infof("Weather server is listening on %s", addr)
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server := web.New(defaultLogger, addr, version.String()).
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WithTLSConfigure().
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WithHandler(config).
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WithHTTPLogging().
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WithErrorLogging()
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go func() {
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if err := server.Serve(); err != nil {
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defaultLogger.Sugar().Info(err)
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}
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}()
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c := make(chan os.Signal, 1)
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signal.Notify(c, os.Interrupt)
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<-c
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ctx, cancel := context.WithTimeout(context.Background(), wait)
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defer cancel()
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server.Shutdown(ctx)
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log.Println("shutting down")
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os.Exit(0)
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}
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