Added example of running serverless on AWS Lambda

Example of using of PyTelegramBotAPI in Amazon AWS Lambda

examples/serverless/lambda_function.py

@@ -0,0 +1,50 @@
+"""
+Example of running PyTelegramBotAPI serverless in Amazon AWS Lambdaю
+You have to set your lambda's url as telegram webhook manually https://core.telegram.org/bots/api#setwebhook
+"""
+
+import logging
+
+import telebot
+import json
+import os
+
+API_TOKEN = os.environ['TELEGRAM_TOKEN']
+
+
+logger = telebot.logger
+telebot.logger.setLevel(logging.INFO)
+
+bot = telebot.TeleBot(API_TOKEN, threaded=False)
+
+
+def process_event(event):
+    # Get telegram webhook json from event
+    request_body_dict = json.loads(event['body'])
+    # Parse updates from json
+    update = telebot.types.Update.de_json(request_body_dict)
+    # Run handlers and etc for updates
+    bot.process_new_updates([update])
+
+
+def lambda_handler(event, context):
+    # Process event from aws and respond
+    process_event(event)
+    return {
+        'statusCode': 200
+    }
+
+
+# Handle '/start' and '/help'
+@bot.message_handler(commands=['help', 'start'])
+def send_welcome(message):
+    bot.reply_to(message,
+                 ("Hi there, I am EchoBot.\n"
+                  "I am here to echo your kind words back to you."))
+
+
+# Handle all other messages
+@bot.message_handler(func=lambda message: True, content_types=['text'])
+def echo_message(message):
+    bot.reply_to(message, message.text)
+