50 lines
1.3 KiB
Go
50 lines
1.3 KiB
Go
package main
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import (
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"flag"
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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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// Define a command-line flag for the port
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port := flag.String("port", "8080", "port to listen on")
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// Define a command-line flag for the response message
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responseMessage := flag.String("respond", "hi", "message to respond with")
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flag.Parse() // Parse the command-line flags
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// Set up the handler function using the provided response message
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http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
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// Set the header to text/plain
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w.Header().Set("Content-Type", "text/plain")
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fmt.Fprintln(w, *responseMessage)
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// Get environment variables
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envVars := os.Environ()
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// Write each environment variable to the response
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for _, envVar := range envVars {
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fmt.Fprintln(w, envVar)
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}
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})
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// Set up the /health endpoint handler function
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http.HandleFunc("/health", func(w http.ResponseWriter, r *http.Request) {
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w.Header().Set("Content-Type", "application/json")
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response := `{"status": "ok"}`
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w.Write([]byte(response))
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})
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address := "127.0.0.1:" + *port // Address with the specified port
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fmt.Printf("Server is listening on port %s\n", *port)
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// Start the server and log any error if it occurs
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if err := http.ListenAndServe(address, nil); err != nil {
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fmt.Printf("Error starting server: %s\n", err)
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}
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}
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