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package main
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import (
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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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"runtime"
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)
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func main() {
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port := os.Getenv("PORT")
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if port == "" {
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port = "8080"
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}
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fmt.Fprintf(os.Stdout, "Listening on :%s\n", port)
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hostname, _ := os.Hostname()
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http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
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fmt.Fprintf(os.Stdout, "I'm %s\n", hostname)
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fmt.Fprintf(w, "I'm %s running on %s/%s\n", hostname, runtime.GOOS, runtime.GOARCH)
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})
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log.Fatal(http.ListenAndServe(":"+port, nil))
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}
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