resh install on Ubuntu Server with Docker at OS level then explore Podman Quadlet

etc/dnsmasq.d/01-pihole.conf

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+# Pi-hole: A black hole for Internet advertisements
+# (c) 2017 Pi-hole, LLC (https://pi-hole.net)
+# Network-wide ad blocking via your own hardware.
+#
+# Dnsmasq config for Pi-hole's FTLDNS
+#
+# This file is copyright under the latest version of the EUPL.
+# Please see LICENSE file for your rights under this license.
+
+###############################################################################
+#      FILE AUTOMATICALLY POPULATED BY PI-HOLE INSTALL/UPDATE PROCEDURE.      #
+# ANY CHANGES MADE TO THIS FILE AFTER INSTALL WILL BE LOST ON THE NEXT UPDATE #
+#                                                                             #
+#        IF YOU WISH TO CHANGE THE UPSTREAM SERVERS, CHANGE THEM IN:          #
+#                      /etc/pihole/setupVars.conf                             #
+#                                                                             #
+#        ANY OTHER CHANGES SHOULD BE MADE IN A SEPARATE CONFIG FILE           #
+#                    WITHIN /etc/dnsmasq.d/yourname.conf                      #
+###############################################################################
+
+addn-hosts=/etc/pihole/local.list
+addn-hosts=/etc/pihole/custom.list
+
+
+localise-queries
+
+
+no-resolv
+
+log-queries
+log-facility=/var/log/pihole/pihole.log
+
+log-async
+cache-size=10000
+server=127.0.0.1#5335
+domain-needed
+expand-hosts
+bogus-priv
+local-service