implement base telegram bot (echo)

cmd/app/main.go

@@ -0,0 +1,38 @@
+package main
+
+import (
+	"fmt"
+	"log"
+	"os"
+
+	tgbotapi "github.com/go-telegram-bot-api/telegram-bot-api/v5"
+)
+
+func main() {
+    token := os.Getenv("BOTTOKEN")
+    fmt.Printf("Token value: '%v'\n", token)
+    bot, err := tgbotapi.NewBotAPI(token)
+    if err != nil {
+         log.Panic(err)
+    }
+
+    bot.Debug = true
+
+    log.Printf("Authorized on account %s", bot.Self.UserName)
+
+    u := tgbotapi.NewUpdate(0)
+    u.Timeout = 60
+
+    updates := bot.GetUpdatesChan(u)
+
+    for update := range updates {
+        if update.Message != nil {
+            log.Printf("[%s] %s", update.Message.From.UserName, update.Message.Text)
+
+            msg := tgbotapi.NewMessage(update.Message.Chat.ID, update.Message.Text)
+            msg.ReplyToMessageID = update.Message.MessageID
+
+            bot.Send(msg)
+        }
+    }
+}

go.mod

@@ -0,0 +1,5 @@
+module github.com/akulij/zarabot
+
+go 1.22.2
+
+require github.com/go-telegram-bot-api/telegram-bot-api/v5 v5.5.1 // indirect

go.sum

@@ -0,0 +1,2 @@
+github.com/go-telegram-bot-api/telegram-bot-api/v5 v5.5.1 h1:wG8n/XJQ07TmjbITcGiUaOtXxdrINDz1b0J1w0SzqDc=
+github.com/go-telegram-bot-api/telegram-bot-api/v5 v5.5.1/go.mod h1:A2S0CWkNylc2phvKXWBBdD3K0iGnDBGbzRpISP2zBl8=