Add docker-compose configuration for n8n service

n8n/docker-compose.yml

@@ -0,0 +1,26 @@
+version: '2'
+services: 
+ n8n:
+    container_name: n8n
+    image: docker.n8n.io/n8nio/n8n
+    restart: unless-stopped
+    ports:
+      - "5678:5678"
+    environment:
+      - N8N_HOST=${SUBDOMAIN}.${DOMAIN_NAME}
+      - N8N_PORT=5678
+      - N8N_PROTOCOL=https
+      - NODE_ENV=production
+      - WEBHOOK_URL=https://${SUBDOMAIN}.${DOMAIN_NAME}/
+      - GENERIC_TIMEZONE=${GENERIC_TIMEZONE}
+    volumes:
+      - /docker-containers/n8n/data:/home/node/.n8n
+      - /docker-containers/n8n/local-files:/files
+    stdin_open: true    # to attach to containers
+    tty: true           # also used to attach to containers
+#    network_mode: service:wireguard     # To run through vpn service container, in turn UI port must be forwarded inside vpn. No local access unless otherwise defined
+    networks:           # Specify network for container
+      - homelab
+networks:    # I don't know why but you have to specify the network 2x. In service, and in this tag area..
+  homelab:
+    external: true      # This option causes compose to join the above network instead of making a _default one (supposedly)