vars script and file

base.yml

@@ -130,8 +130,8 @@ services:
    container_name: mistborn_production_pihole
    image: pihole/pihole:latest
    ports:
-     - "10.2.3.1:53:53/tcp"
-     - "10.2.3.1:53:53/udp"
+     - "${MISTBORN_DNS_BIND_IP}:53:53/tcp"
+     - "${MISTBORN_DNS_BIND_IP}:53:53/udp"
    labels:
       - "traefik.enable=true"
    environment:

scripts/services/Mistborn-base.service

@@ -9,6 +9,8 @@ User=root
 Group=docker
 PermissionsStartOnly=true
 # Shutdown container (if running) when unit is stopped
+EnvironmentFile=/opt/mistborn_volumes/base/base.txt
+ExecStartPre=/opt/mistborn/scripts/vars/base.sh
 ExecStartPre=/usr/local/bin/docker-compose -f /opt/mistborn/base.yml down
 
 ExecStartPre=/usr/local/bin/docker-compose -f /opt/mistborn/base.yml build

scripts/vars/base.sh

@@ -0,0 +1,12 @@
+#!/bin/bash
+
+VAR_FILE=/opt/mistborn_volumes/base/base.txt
+
+source /opt/mistborn/scripts/subinstallers/platform.sh
+
+export MISTBORN_DNS_BIND_IP="0.0.0.0"
+if [ "$DISTRO" == "ubuntu" ] && [ "$VERSION_ID" == "20.04" ]; then
+    export MISTBORN_DNS_BIND_IP="10.2.3.1"
+fi
+
+echo "MISTBORN_DNS_BIND_IP=${MISTBORN_DNS_BIND_IP}" | sudo tee ${VAR_FILE}