Add docker-compose file for alternative way to run

Adds a compose file to allow running the contianer with ipvlan
networking on a separate IP address, rather than trying to open ports on
the host.

docker-compose.yml

@@ -0,0 +1,24 @@
+---
+version: "2.1"
+services:
+  netbootxyz:
+    container_name: netbootxyz
+    build:
+      context: .
+    environment:
+      - DHCP_RANGE_START=${SUBNET:-192.168.0.1}
+    networks:
+      netbootxyz_network:
+        ipv4_address: ${CONTAINER_IP:-192.168.0.250}
+    cap_add:
+      - NET_ADMIN
+networks:
+  netbootxyz_network:
+    driver: ipvlan
+    driver_opts:
+      parent: ${INTERFACE:-eth0}
+    ipam:
+      config:
+        - subnet: ${SUBNET:-192.168.0.1}/${SUBNET_PREFIX_BITS:-24}
+          gateway: ${GATEWAY:-192.168.0.1}
+          ip_range: ${CONTAINER_IP:-192.168.0.250}/32