Add pre-testing content for DNS.

Config/DNS/Dockerfile

@@ -0,0 +1,19 @@
+# 2023-07-29
+# Create website in node container and run it.
+
+# Using Debian testing so that we use PHP >8. Otherwise the shebangs from
+# the include files (#!/usr/bin/php) show up on the website.
+FROM debian:testing
+
+# Install Dependencies
+RUN apt update && apt install -y dnsmasq
+
+# Remove Existing Config
+RUN systemctl stop dnsmasq
+RUN rm -rfv /etc/{hosts,resolv.conf,dnsmasq.conf}
+
+# Copy Configuration Files
+COPY ./config/{hosts,resolv.conf,dnsmasq.conf} /etc/
+
+# Start Container
+CMD systemctl restart dnsmasq