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package main
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import (
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"fmt"
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"net/http"
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"os"
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)
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func main() {
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port := os.Args[1]
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http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
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fmt.Fprintf(w, "Hello from backend %s", port)
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})
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fmt.Println("Backend listening on port:", port)
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http.ListenAndServe(":"+port, nil)
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}
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