Remove install of dnsutils, procps, and vim

Author: amcclain

CHANGELOG.md

@@ -1,6 +1,6 @@
 # Changelog
 
-Note that the `next` tag is mutable and is rebuilt regularly with any updates to this project and 
+Note that the `next` tag is mutable and is rebuilt regularly with any updates to this project and
 on a weekly schedule (to pick up ongoing updates to the official `nginx:latest` source image).
 
 Versioned builds are immutable and have locked in a given set of defaults from this project as well
@@ -9,6 +9,9 @@ as the latest nginx version at the time of the build (recorded in the log entrie
 ## next - under development
 
 * nginx `latest` (version dependent on build time)
+* Remove install of dnsutils, procps, and vim. These packages increased the size of the image and can introduce security
+  vulnerabilities, and it is unclear if they were ever useful in an interactive shell session. Please let XH know if you
+  were relying on these for any purpose.
 
 ## v2.2.0 / latest - 2023-05-23
 

Dockerfile

@@ -17,13 +17,6 @@ ENV XH_NGINX_CONFIG_INCL_PATH=/etc/nginx/includes
 # Path to host the static JS/CSS/HTML content itself, copied from the client-side build.
 ENV XH_NGINX_CONTENT_PATH=/usr/share/nginx/html
 
-# Install some useful basic utilities
-RUN apt-get update && apt-get install -y \
-    dnsutils \
-    procps \
-    vim \
-    && rm -rf /var/lib/apt/lists/*
-
 # Clear out default nginx config and welcome page
 RUN rm $XH_NGINX_CONFIG_PATH/default.conf && rm $XH_NGINX_CONTENT_PATH/*