hugo, refactor Dockerfile and remove unneeded packages.

Config/HugoExample/Dockerfile

@@ -12,11 +12,14 @@ ARG DEBIAN_FRONTEND=noninteractive
 # System Dependencies
 RUN apt-get update && \
     apt-get install -y --no-install-recommends \
-        git nginx cron curl bash sudo htop golang gcc && \
+        git nginx cron curl bash sudo \
+        golang gcc && \
     rm -rf /var/lib/apt/lists/*
 
-# Install Hugo
+# Compile Hugo
 RUN CGO_ENABLED=1 go install -tags extended github.com/gohugoio/hugo@latest
+
+# Install Hugo
 RUN ln -s $HOME/go/bin/hugo /usr/local/bin/hugo
 
 # User and Group