Fix Docker stuff

still not finished

Dockerfile

@@ -3,8 +3,11 @@ FROM ubuntu:22.04
 
 ENV DEBIAN_FRONTEND=noninteractive
 RUN apt-get clean \
-    && apt-get update
-#     && apt-get upgrade -y
+    && apt-get update \
+    && apt-get upgrade -y
 RUN apt-get install -y python3 python3-pip
-RUN pip3 install -r requirements.txt
+COPY requirements.txt /tmp/requirements.txt
+RUN pip3 install -r /tmp/requirements.txt
 
+# no CMD by default becuase its too dangerous
+# to start main.py without checking it before!