Update mermaids.sh

mermaids.sh

@@ -24,7 +24,7 @@ LXC_HOSTNAME="mermaid"
 LXC_MEMORY=512
 LXC_CORES=1
 LXC_DISK="local-lvm"
-LXC_TEMPLATE="local:vztmpl/debian-12-standard_12.0-1_amd64.tar.zst"
+LXC_TEMPLATE="local:vztmpl/debian-12-standard_12.12-1_amd64.tar.zst"
 LXC_ROOT_PASSWORD="mermaid"
 LXC_IP=""
 LXC_NETMASK="24"
@@ -85,15 +85,17 @@ log "Creating Debian 12 LXC container $LXC_ID ($LXC_HOSTNAME)..."
 # Build network config safely
 if [[ -n "$LXC_IP" ]]; then
   if [[ -z "$LXC_GATEWAY" ]]; then
-    warn "IP provided without gateway — using DHCP for gateway"
+    warn "IP provided but no gateway — using DHCP for gateway resolution"
     NET_CONFIG="dhcp=1"
   else
     NET_CONFIG="ip=$LXC_IP/$LXC_NETMASK,gw=$LXC_GATEWAY"
   fi
 else
+  # No static IP → use DHCP
   NET_CONFIG="dhcp=1"
 fi
 
+# 2. Use NET_CONFIG in pct create
 pct create $LXC_ID $LXC_TEMPLATE \
   -hostname $LXC_HOSTNAME \
   -memory $LXC_MEMORY \