diff --git a/.github/workflows/docker.yml b/.github/workflows/docker.yml
index 0ff4470..39577fb 100644
--- a/.github/workflows/docker.yml
+++ b/.github/workflows/docker.yml
@@ -1,78 +1,29 @@
-# This is a basic workflow to help you get started with Actions
-name: Docker Build Action
-
-# Controls when the workflow will run
+name: Build and publish a Docker image to ghcr.io
 on:
-  # Triggers the workflow on push or pull request events but only for the master and develop branch
-  workflow_dispatch:
-  push:
-    branches:
-      - 'master'
-      - 'develop'
-    tags:
-      - 'v*.*.*'
-  pull_request:
-    branches:
-      - 'master'
-      - 'develop'
 
-permissions:
-  contents: read
-  packages: write
+  # publish on releases, e.g. v2.1.13 (image tagged as "2.1.13" - "v" prefix is removed)
+  release:
+    types: [ published ]
 
+  # publish on pushes to the main branch (image tagged as "latest")
+  push:
+    branches:
+      - master
 
 jobs:
-  build:
-    runs-on: ubuntu-latest
-    env:
-      DOCKER_IMAGE_NAME: asfbot
+  docker_publish:
+    runs-on: "ubuntu-20.04"
+
     steps:
-      - name: Checkout
-        uses: actions/checkout@v2
-      - name: Sets env vars for tag latest
-        run: |
-          echo "DOCKER_IMAGE_TAG=:latest" >> $GITHUB_ENV
-        if: github.ref_name == 'master' && github.event_name != 'pull_request'
-      - name: Sets env vars for other branches
-        run: |
-          echo "DOCKER_IMAGE_TAG=:$GITHUB_REF_NAME" >> $GITHUB_ENV
-        if: github.ref_name != 'master' && github.event_name != 'pull_request'
-      # https://github.com/docker/setup-qemu-action
-      - name: Set up QEMU
-        uses: docker/setup-qemu-action@v2
-      # https://github.com/docker/setup-buildx-action
-      - name: Set up Docker Buildx
-        id: buildx
-        uses: docker/setup-buildx-action@v2
-      - name: Login to GHCR
-        if: github.event_name != 'pull_request'
-        uses: docker/login-action@v2
-        with:
-          registry: ghcr.io
-          username: ${{ github.repository_owner }}
-          password: ${{ secrets.GITHUB_TOKEN }}
-      - name: Login to DockerHub
-        if: github.event_name != 'pull_request'
-        uses: docker/login-action@v2
-        with:
-          username: ${{ secrets.DOCKER_USERNAME }}
-          password: ${{ secrets.DOCKER_PASSWORD }}
-      - name: Build and push
-        id: docker_build_GHCR
-        uses: docker/build-push-action@v3
-        with:
-          context: .
-          platforms: linux/amd64,linux/arm64,linux/arm/v7
-          push: ${{ github.event_name != 'pull_request' }}
-          file: Dockerfile
-          tags: |
-            ghcr.io/${{ github.repository_owner }}/${{ env.DOCKER_IMAGE_NAME }}${{ env.DOCKER_IMAGE_TAG }}
-            ${{ github.repository_owner }}/${{ env.DOCKER_IMAGE_NAME }}${{ env.DOCKER_IMAGE_TAG }}
-      - name: Docker Hub Description
-        if: github.event_name != 'pull_request' && github.ref_name == 'master'
-        uses: peter-evans/dockerhub-description@v3
+      - uses: actions/checkout@v2
+
+      # https://github.com/marketplace/actions/push-to-ghcr
+      - name: Build and publish a Docker image for ${{ github.repository }}
+        uses: macbre/push-to-ghcr@master
         with:
-          username: ${{ secrets.DOCKER_USERNAME }}
-          password: ${{ secrets.DOCKER_PASSWORD }}
-          repository: ${{ secrets.DOCKER_USERNAME }}/${{ env.DOCKER_IMAGE_NAME }}
-          readme-filepath: ./README.md
+          image_name: ${{ github.repository }}  # it will be lowercased internally
+          github_token: ${{ secrets.GITHUB_TOKEN }}
+          # optionally push to the Docker Hub (docker.io)
+          # docker_io_token: ${{ secrets.DOCKER_IO_ACCESS_TOKEN }}  # see https://hub.docker.com/settings/security
+          # customize the username to be used when pushing to the Docker Hub
+          # docker_io_user: foobar  # see https://github.com/macbre/push-to-ghcr/issues/14
diff --git a/bot.py b/bot.py
index a8ee1cc..8691f88 100755
--- a/bot.py
+++ b/bot.py
@@ -16,7 +16,7 @@
 _REGEX_COMMAND_RAW = r'^[/!](?P<input>(?P<command>\w+).*)'
 _REGEX_COMMAND = r'^[/!]\w+\s*(?P<bot>\w+)?'
 _ENV_TELEGRAM_BOT_TOKEN = "TELEGRAM_BOT_TOKEN"
-_ENV_TELEGRAM_USER_ALIAS = "TELEGRAM_USER_ALIAS"
+_ENV_TELEGRAM_USER_ID = "TELEGRAM_USER_ID"
 _ENV_TELEGRAM_PROXY = "TELEGRAM_PROXY"
 _ENV_ASF_IPC_HOST = "ASF_IPC_HOST"
 _ENV_ASF_IPC_PORT = "ASF_IPC_PORT"
@@ -36,7 +36,7 @@
 parser.add_argument("--proxy", help="Use a proxy to connect to Telegram. Format: "
                                     "<protocol>://<host>:<port>. For example: http://192.168.1.1:7890"
                     , default=None)
-parser.add_argument("--alias", type=str, help="Telegram alias of the bot owner.", default=None)
+parser.add_argument("--user_id", type=int, help="Telegram ID of the bot owner.", default=None)
 args = parser.parse_args()
 
 logger.set_level(args.verbosity)
@@ -52,12 +52,13 @@
         exit(1)
 
 try:
-    args.alias = os.environ[_ENV_TELEGRAM_USER_ALIAS]
+    user_id = 1
+    args.user_id = int(os.getenv('TELEGRAM_USER_ID',user_id))
 except KeyError as key_error:
-    if not args.alias:
+    if not args.user_id:
         LOG.critical(
-            "No telegram user alias provided. Please do so using --alias argument or %s environment variable.",
-            _ENV_TELEGRAM_USER_ALIAS)
+            "No telegram user ID provided. Please do so using --user_id argument or %s environment variable.",
+            _ENV_TELEGRAM_USER_ID)
         exit(1)
 try:
     args.proxy = os.environ[_ENV_TELEGRAM_PROXY]
@@ -81,7 +82,7 @@
     pass
 
 args.token = args.token.strip()
-args.alias = [alias.replace('@', '').strip() for alias in args.alias.split(',')]
+args.user_id = args.user_id
 args.host = args.host.strip()
 args.port = args.port.strip()
 if args.password:
@@ -93,7 +94,7 @@
 LOG.info("Starting up bot...")
 LOG.debug("Telegram token: %s", args.token)
 LOG.debug("Telegram Proxy %s", args.proxy)
-LOG.debug("User alias: %s", args.alias)
+LOG.debug("User ID: %s", args.user_id)
 LOG.debug("ASF IPC host: %s", args.host)
 LOG.debug("ASF IPC port: %s", args.port)
 
@@ -122,9 +123,8 @@
 
 
 def is_user_message(message):
-    """ Returns if a message is from the owner of the bot comparing it to the user alias provided on startup. """
-    username = message.chat.username
-    return username in args.alias
+    """ Returns if a message is from the owner of the bot comparing it to the user id provided on startup. """
+    return message.chat.id == args.user_id
 
 
 @bot.message_handler(func=is_user_message, commands=['status'])
@@ -199,8 +199,8 @@ def check_for_cdkeys(message):
         response = asf_connector.bot_redeem('ASF', cdkeys)
         reply_to(message, "<code>" + str(response) + "</code>")
     else:
-        LOG.debug("Bypassed message: %s \n from user alias %s.",
-                  message.text, message.chat.username)
+        LOG.debug("Bypassed message: %s \n from user ID %s.",
+                  message.text, message.chat.id)
 
 
 def reply_to(message, text, sanitize=False, **kwargs):