37 lines
855 B
Go
37 lines
855 B
Go
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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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)
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func main() {
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ports := []string{"18081", "18082", "18083"}
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for _, port := range ports {
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go startEchoServer(port)
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}
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// Block main goroutine
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select {}
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}
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func startEchoServer(port string) {
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mux := http.NewServeMux()
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mux.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
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msg := fmt.Sprintf("Response from Backend Server [Port: %s] | Requested Path: %s", port, r.URL.Path)
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// Print to console so we can see which server handled it
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log.Printf("[Port %s] Handled request for %s", port, r.URL.Path)
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w.Header().Set("Content-Type", "text/plain")
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w.WriteHeader(http.StatusOK)
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w.Write([]byte(msg + "\n"))
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})
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log.Printf("Starting Echo Server on :%s", port)
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if err := http.ListenAndServe(":"+port, mux); err != nil {
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log.Fatalf("Server on %s failed: %v", port, err)
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}
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}
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