diff --git a/.env.local b/.env.local
new file mode 100644
index 0000000..8a0a5e3
--- /dev/null
+++ b/.env.local
@@ -0,0 +1,3 @@
+MONGODB_INTERNAL_PORT=
+APP_INTERNAL_PORT=
+APP_EXPOSED_PORT=
\ No newline at end of file
diff --git a/README.md b/README.md
index d0c5a59..c5c90a8 100755
--- a/README.md
+++ b/README.md
@@ -29,6 +29,7 @@ git clone https://github.com/miloszowi/everyone-mention-telegram-bot.git
 ```
 after that, you need to copy env files and fulfill it with correct values
 ```bash
+cp .env.local .env
 cp docker/config/app.dist.env docker/config/app.env
 cp docker/config/database.dist.env docker/config/app.env
 ```
@@ -44,15 +45,23 @@ docker/logs <container>
 ```
 to check container logs
 ### Env files
-app.env
+`.env`
+- `MONGODB_INTERNAL_PORT` - Mongodb internal port (should be the same as declared in `app.env`)
+- `APP_INTERNAL_PORT` - App internal port (should be the same as declared in `app.env`)
+- `APP_EXPOSED_PORT` - App exposed port (if you are not using any reverse proxy it should be also the same as declared in `app.env`)
+
+
+`app.env`
 - `BOT_TOKEN` - your telegram bot token from [BotFather](https://telegram.me/BotFather)
+- `WEBHOOK_URL` - url for telegram webhooks (withour the bot token)
+- `PORT` - port used for initializing webhook & app
 - `MONGODB_DATABASE` - MongoDB database name
 - `MONGODB_USERNAME` - MongoDB username
 - `MONGODB_PASSWORD` - MongoDB password
 - `MONGODB_HOSTNAME` - MongoDB host (default `database` - container name)
 - `MONGODB_PORT` - MongoDB port (default `27017` - given in docker-compose configuration)
 
-database.env
+`database.env`
 - `MONGO_INITDB_ROOT_USERNAME` - conf from `app.env`
 - `MONGO_INITDB_ROOT_PASSWORD` - conf from `app.env`
 - `MONGO_INITDB_DATABASE` - conf from `app.env`
diff --git a/docker-compose.yml b/docker-compose.yml
index f05f579..1677662 100755
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -4,13 +4,14 @@ services:
 
   database:
     image: mongo:5.0.2
+    command: mongod --port $MONGODB_INTERNAL_PORT
     restart: unless-stopped
     env_file:
       - ./docker/config/database.env
     volumes: 
       - db-data:/data/db
     ports:
-      - 27017:27017
+      - $MONGODB_INTERNAL_PORT
     networks:
       - web
 
@@ -22,12 +23,12 @@ services:
     volumes:
       - ./src:/src
     ports:
-      - 9000:9000
+      - $APP_EXPOSED_PORT:$APP_INTERNAL_PORT
     depends_on:
       - database
     networks:
       - web
-    restart: on-failure
+    restart: unless-stopped
 
 networks:
   web:
diff --git a/docker/config/app.dist.env b/docker/config/app.dist.env
index ad05a23..cc14bd0 100755
--- a/docker/config/app.dist.env
+++ b/docker/config/app.dist.env
@@ -1,4 +1,6 @@
 BOT_TOKEN=
+WEBHOOK_URL=
+PORT=
 
 MONGODB_DATABASE=
 MONGODB_USERNAME=
diff --git a/src/app.py b/src/app.py
index 7c24a4f..d52bb87 100755
--- a/src/app.py
+++ b/src/app.py
@@ -1,7 +1,7 @@
 from telegram.ext import Updater
 from telegram.ext.dispatcher import Dispatcher
 
-from config.credentials import BOT_TOKEN
+from config.credentials import BOT_TOKEN, PORT, WEBHOOK_URL
 from handler.abstractHandler import AbstractHandler
 from handler import (inHandler, mentionHandler, outHandler, silentMentionHandler, groupsHandler)
 
@@ -15,8 +15,8 @@ class App:
 
     def run(self) -> None:
         self.register_handlers()
+        self.register_webhook()
         
-        self.updater.start_polling()
         self.updater.idle()
 
     def register_handlers(self) -> None:
@@ -25,6 +25,13 @@ class App:
                 handler().get_bot_handler()
             )
 
+    def register_webhook(self) -> None:
+        self.updater.start_webhook(
+            listen="0.0.0.0",
+            port=int(PORT),
+            url_path=BOT_TOKEN,
+            webhook_url="/".join([WEBHOOK_URL, BOT_TOKEN])
+        )
 
 if __name__ == "__main__":
     app = App()
diff --git a/src/config/credentials.py b/src/config/credentials.py
index 7a1ffaa..ef89331 100755
--- a/src/config/credentials.py
+++ b/src/config/credentials.py
@@ -5,9 +5,11 @@ from dotenv import load_dotenv
 load_dotenv()
 
 BOT_TOKEN = os.environ['BOT_TOKEN']
+WEBHOOK_URL = os.environ['WEBHOOK_URL']
+PORT = os.environ['PORT']
 
-MONGODB_DATABASE=os.environ['MONGODB_DATABASE']
-MONGODB_USERNAME=os.environ['MONGODB_USERNAME']
-MONGODB_PASSWORD=os.environ['MONGODB_PASSWORD']
-MONGODB_HOSTNAME=os.environ['MONGODB_HOSTNAME']
-MONGODB_PORT=os.environ['MONGODB_PORT']
+MONGODB_DATABASE = os.environ['MONGODB_DATABASE']
+MONGODB_USERNAME = os.environ['MONGODB_USERNAME']
+MONGODB_PASSWORD = os.environ['MONGODB_PASSWORD']
+MONGODB_HOSTNAME = os.environ['MONGODB_HOSTNAME']
+MONGODB_PORT = os.environ['MONGODB_PORT']