update docker file

Dockerfile

@@ -1,15 +1,12 @@
 FROM ubuntu:22.04
 
-# Update package list and install systemd
-# RUN apt-get update && apt-get install -y systemd && rm -rf /var/lib/apt/lists/*
-RUN apt-get update && apt-get install -y systemd kmod systemd-sysv && rm -rf /var/lib/apt/lists/*
+RUN apt update \
+    && apt install -y wget systemd kmod systemd-sysv \
+    && rm -rf /var/lib/apt/lists/* 
 
-# Configure systemd (optional: set default target)
 RUN systemctl set-default multi-user.target
 
-# Remove unnecessary systemd units to speed up boot (optional)
 RUN find /etc/systemd/system /lib/systemd/system \
     -path '*.wants/*' -not -name '*systemd*' -exec rm -f {} \;
 
-# Set systemd as the entrypoint
 ENTRYPOINT ["/lib/systemd/systemd", "--system"]