avoid unnecessary nested content

torrents/config/98-gateway-setup

@@ -0,0 +1,23 @@
+#!/command/with-contenv bash
+
+echo "Obtaining Wireguard Server IP..."
+wgserver=$(grep Endpoint "${CONFIG_DIR}/wireguard/wg0.conf" | awk '{print $3}')
+echo "IP: ${wgserver%:*}"
+
+echo "Obtaining default gateway..."
+gateway=$(ip -o -4 route show to default | awk '{print $3}')
+echo "Gateway: ${gateway}"
+
+echo "Adding route to Wireguard Server via Default Gateway"
+ip route add ${wgserver%:*}/32 via ${gateway} dev eth0
+
+echo "Allow DNS resolution locally"
+iptables -A INPUT -i eth0 -p udp -m udp --sport 53 -j ACCEPT
+iptables -A OUTPUT -o eth0 -p udp -m udp --dport 53 -j ACCEPT
+
+echo "Allow docker networks to connect"
+docker_cirds=$(ip -o -4 route show proto kernel | awk '{print $1}')
+for cidr in $docker_cirds; do
+    iptables -A INPUT -s "${cidr}" -d "${cidr}" -j ACCEPT
+    iptables -A OUTPUT -s "${cidr}" -d "${cidr}" -j ACCEPT
+done