diff --git a/Dockerfile b/Dockerfile
index ef9c3a8..48e3921 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,16 +1,18 @@
-FROM python:2.7
-LABEL org.opencontainers.image.authors="Eric Taieb Walch <teknologist@gmail.com>"
-
-RUN mkdir /app && \
-cd /app && \
-git clone https://github.com/rshipp/python-nut2.git && \
-cd python-nut2 && \
-python setup.py install && \
-cd .. && \
-git clone https://github.com/rshipp/webNUT.git && cd webNUT && \
-pip install -e .
-
+FROM python:3.11-alpine
 
+RUN apk update \
+&& apk upgrade --available \
+&& apk add git tzdata \
+&& mkdir /app \
+&& cd /app \
+&& git clone https://github.com/rshipp/python-nut2.git \
+&& cd python-nut2 \
+&& python setup.py install \
+&& cd .. \
+&& git clone https://github.com/rshipp/webNUT.git \
+&& cd webNUT \
+&& pip install -e . \
+&& rm -rf /var/cache/apk/*
 
 COPY /docker-entrypoint.sh /docker-entrypoint.sh
 RUN chmod +x /docker-entrypoint.sh
diff --git a/README.md b/README.md
index a94847e..74e438b 100644
--- a/README.md
+++ b/README.md
@@ -6,20 +6,33 @@ webNUT (UPS network monitoring web ui) dockerized.
 
 More infos on webNUT:  https://github.com/rshipp/webNUT
 
-Set the following environment variables:
+## Environment Variables
 
-**UPS_HOST**    with NUT server host IP  *(default: 127.0.0.1)*
+| Variable                      | Description                                                                | Default                          |
+|-------------------------------|----------------------------------------------------------------------------|----------------------------------|
+| UPS_HOST                      | The NUT server host IP                                                     | 127.0.0.1                        |            
+| UPS_PORT                      | The NUT server port                                                        | 3493                             |
+| UPS_USER                      | The NUT server username                                                    | monuser                          |
+| UPS_PASSWORD                  | The NUT server  password                                                   | secret                           |
 
-**UPS_PORT**	  with NUT server port  *(default: 3493)*
+## Compose file
 
-**UPS_USER**    with NUT server username   *(default: monuser)*
-
-**UPS_PASSWORD**     with NUT server  password   *(default: secret)*
+```sh
+version: '3.3'
+services:
+  nut:
+    image: ghcr.io/davidclaeysquinones/webnut
+    environment:
+       # adjust these variable as needed
+       - UPS_HOST=10.11.12.13 
+       - UPS_PORT=3493
+       - UPS_USER="monuser"
+       - UPS_PASSWORD="secret"
+    restart: unless-stopped
+    security_opt:
+       - no-new-privileges:true
+    ports:
+       - 6543:6543
+```
 
 
-
-
-Run with:
-
-> docker run -e UPS_HOST="10.11.12.13"  -e UPS_PORT="3493" -e UPS_USER="monuser" -e UPS_PASSWORD="secret" -p 6543:6543 teknologist/webnut:latest
-