chore: optimizing image

Dockerfile

@@ -1,23 +1,9 @@
-# Pull base image
-#TODO better base image and structure
-FROM ubuntu:22.04
+FROM python:3.10-slim
 
 # Labels
-LABEL MAINTAINER="Øyvind Nilsen <oyvind.nilsen@gmail.com>"
+LABEL MAINTAINER="Jan-Ole Hübner <huebner@jan-ole.de>"
 
-# Setup external package-sources
-RUN apt-get update && apt-get install -y \
-    python3 \
-    python3-dev \
-    python3-setuptools \
-    python3-pip \
-    gcc \
-    --no-install-recommends && \
-    rm -rf /var/lib/apt/lists/* 
 
-# Run pip install
-RUN pip install pytz --upgrade
-RUN pip install tzdata --upgrade
 ADD requirenments.txt /
 RUN pip3 install -r /requirenments.txt
 # Environment