diff --git a/README.md b/README.md
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+
+<!-- ------------------------------------------------------------------------------------------- -->
+<!--                                     NATS server setting                                     -->
+<!-- ------------------------------------------------------------------------------------------- -->
+# forward router port 4222 -> NATS host 4222
+
+<!-- ------------------------------- connect to NATS normal port ------------------------------- -->
+# forward router port 4222 -> NATS host 4222
+
+nats-svelte-demo
+mkdir nats-svelte-demo
+cd nats-svelte-demo
+
+# choose npm as package manager, add sveltejs adapter static.
+npx sv create ./web   
+cd ./web
+npm install
+npm install nats
+
+# run web server
+cd ./web
+npm run dev
+
+
+
+
+
+
+
+
+
+
+
diff --git a/nats-server/Caddyfile b/nats-server/Caddyfile
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+nats.yiem.cc {
+  reverse_proxy localhost:9222 {
+  header_up Host {http.request.host}
+  header_up X-Forwarded-For {http.request.remote}
+  header_up X-Forwarded-Proto {http.request.scheme}
+  }
+}
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diff --git a/nats-server/docker-compose.yml b/nats-server/docker-compose.yml
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+services:
+  nats-server1:
+    image: nats:latest
+    environment:
+      - NATS_CLUSTER_NAME=my_cluster
+      - NATS_NODE_NAME=nats-server1
+      - NATS_ENABLE_CLUSTER=true
+    command: ["-c", "/etc/nats/nats-server.conf"]
+    ports:
+      - "4222:4222"   # host 4222 -> container 4222 (NATS client port)
+      - "9222:9222"   # Caddy reverse proxy host 443 -> Caddy reverse proxy host 9222 -> container 9222 (NATS websocket port)
+    volumes:
+      - ./nats-server.conf:/etc/nats/nats-server.conf:ro
+    restart: unless-stopped
+
+  # nats-server2:
+  #   image: nats:latest
+  #   environment:
+  #     - NATS_CLUSTER_NAME=my_cluster
+  #     - NATS_NODE_NAME=nats-server2
+  #     - NATS_ENABLE_CLUSTER=true
+  #   ports:
+  #     - "4222:4222"
+
+  # nats-server3:
+  #   image: nats:latest
+  #   environment:
+  #     - NATS_CLUSTER_NAME=my_cluster
+  #     - NATS_NODE_NAME=nats-server3
+  #     - NATS_ENABLE_CLUSTER=true
+  #   ports:
+  #     - "4222:4222"
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