dnsmasq - change to host network mode so that other containers can use

  it with no extra per-container configuration

updated dnsmasq.conf example

Author: romkey

dnsmasq/conf/dnsmasq.conf-example

@@ -1,5 +1,6 @@
-# this should be the IP address in .env
-listen-address=172.80.0.2
+# this should be the IP address of the interface we want to accept queries
+# finding that 0.0.0.0 does not work
+listen-address=EXTERNAL INTERFACE IP ADDRESS
 
 log-queries
 domain-needed
@@ -28,4 +29,5 @@ server=/corginium.ctrlh/192.168.13.11
 
 # default DNS server
 # 9.9.9.9 is considered more private than Google (8.8.8.8) or Cloudflare (1.1.1.1)
-server=9.9.9.9
+# you may prefer to use your router so that it can resolve local names
+server=192.168.13.1

dnsmasq/docker-compose.yml

@@ -3,18 +3,20 @@ services:
     restart: unless-stopped
     image: jpillora/dnsmasq
     container_name: dnsmasq
-    networks:
-      dnsmasq:
-        ipv4_address: "${IPV4_ADDRESS}"
-      proxy:
+    network_mode: host
+#    networks:
+#      dnsmasq:
+#        ipv4_address: "${IPV4_ADDRESS}"
+#      proxy:
     volumes:
       - ./conf/dnsmasq.conf:/etc/dnsmasq.conf
       - ./conf/hosts.d:/etc/hosts.d
-    ports:
-      - "53:53/udp"
+#    ports:
+#      - "53:53/udp"
 #      - "8080:8080"
     env_file:
       - .env
+
 networks:
   dnsmasq:
     name: dnsmasq