diff --git a/deploy.ts b/deploy.ts
index 0e9ddf2..1bbaab6 100755
--- a/deploy.ts
+++ b/deploy.ts
@@ -1,12 +1,19 @@
-#!/usr/bin/env -S /home/jaeung/.deno/bin/deno run --allow-env --allow-read --unstable --allow-sys --allow-run --allow-write
+#!/usr/bin/env -S /root/.deno/bin/deno run --allow-env --allow-read --allow-sys --allow-run --allow-write
 
-import { printf } from "https://deno.land/std@0.158.0/fmt/printf.ts";
-import {brightGreen, brightMagenta} from "https://deno.land/std@0.160.0/fmt/colors.ts";
+import { printf } from "https://deno.land/std@0.170.0/fmt/printf.ts";
+import {brightGreen, brightMagenta} from "https://deno.land/std@0.170.0/fmt/colors.ts";
 import { Command } from "https://deno.land/x/cliffy@v0.25.2/command/mod.ts";
+import { getLogger } from "https://deno.land/std@0.170.0/log/mod.ts";
+
+
+class CommandError extends Error{}
+class ArgError extends CommandError {}
+class NginxError extends CommandError {}
 
 interface DeployedService{
   name: string,
-  port: number
+  port?: number,
+  unixSocketPath?: string,
 }
 
 async function saveService(services: DeployedService[]){
@@ -28,8 +35,18 @@ async function loadService(): Promise<DeployedService[]> {
 }
 
 interface NginxConfigOption {
-  port: number,
   name: string,
+  
+  /**
+   * port number
+   */
+  port?: number,
+  
+  /**
+   * unix socket path
+   */
+  unixSocket?: string,
+
   /**
    * megabyte unit
    */
@@ -46,10 +63,25 @@ interface NginxConfigOption {
   socketIO?: boolean,
 }
 
-function createNginxConfigContent({ port, name, clientMaxBodySize, proxyPass, socketIO }: NginxConfigOption) {
+function createNginxConfigContent({ port, unixSocket, name, clientMaxBodySize, proxyPass, socketIO }: NginxConfigOption) {
   clientMaxBodySize ??= 20;
   proxyPass ??= "127.0.0.1";
   socketIO ??= true;
+  if (!port && !unixSocket) {
+    throw new ArgError("Both port and unixSocket cannot be false.");
+  }
+  if ((!!port) && (!!unixSocket)){
+    throw new ArgError("Both port and unixSocket cannot be true.");
+  }
+  if (!!port && (isNaN(port) || !isFinite(port) )){
+    throw new ArgError("Port must be number.");
+  }
+  if (!!port && (port > 65535 || port < 0)){
+    throw new ArgError("Port cannnot be less than 0 or greater than 65535")
+  }
+  if (!!unixSocket && !unixSocket.startsWith("/")){
+    throw new ArgError("unix socket path must be absolute path.")
+  }
   const content = `# it created by deploy script.
 server {
   server_name ${name}.prelude.duckdns.org;
@@ -61,7 +93,9 @@ server {
     proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
     proxy_set_header X-Forwarded-Proto $scheme;
     proxy_set_header X-NginX-Proxy true;
-    proxy_pass http://${proxyPass}:${port};
+    proxy_pass ${
+      port ? `http://${proxyPass}:${port}` : `http://unix:${unixSocket}/`
+    };
     proxy_redirect off;
     
     # client body size
@@ -85,99 +119,122 @@ function isRunAsRoot() {
 }
 
 async function NginxCheck() {
-  const p = Deno.run({
-    cmd: ["nginx", "-t"]
+  const c = new Deno.Command("nginx",{
+    args: ["-t"],
   });
-  const status = (await p.status())
+  const status = await c.output();
   return status.success && status.code == 0;
 }
 
 async function NginxReload() {
-  const p = Deno.run({
-    cmd: ["nginx", "-s","reload"]
+  const c = new Deno.Command("nginx",{
+    args: ["-s", "reload"],
   });
-  const status = (await p.status())
+  const status = await c.output();
   return status.success && status.code == 0;
 }
 
+interface DeployCommandOption{
+  port?: number;
+  proxy?: string;
+  disableSocket?: boolean;
+  clientMaxBodySize?: number;
+  unixSocket?: string;
+}
+
+function checkDomainName(name: string){
+  return /^[a-z0-9][a-z0-9_-]{0,61}[a-z0-9]?$/i.test(name);
+}
+
+async function deployCommand(deployName: string,
+    options?: DeployCommandOption): Promise<void>{
+  options ??= {}
+
+  if(!checkDomainName(deployName)){
+    throw new ArgError("name invalid")
+  }
+
+  if(!isRunAsRoot()){
+    getLogger().warning("It's not executed as root")
+  }
+
+  const services = await loadService();
+  const dir = [...Deno.readDirSync("/etc/nginx/sites-available")]
+    
+  if (dir.map(x => x.name).includes(deployName)) {
+    throw new ArgError("duplicated name: please use other name.")
+  }
+
+  const proxyPass = options.proxy;
+  const socketIO = !options.disableSocket;
+  const content = createNginxConfigContent({
+    port: options.port,
+    name: deployName,
+    unixSocket: options.unixSocket,
+    proxyPass: proxyPass,
+    socketIO: socketIO,
+    clientMaxBodySize: options.clientMaxBodySize
+  });
+  await Deno.writeTextFile("/etc/nginx/sites-available/"+deployName,content);
+  await Deno.symlink("/etc/nginx/sites-available/"+deployName,"/etc/nginx/sites-enabled/"+deployName);
+  
+  if(services.map(x=>x.name).includes(deployName)){
+    const target = services.find(x=>x.name == deployName);
+    if(target){
+      target.port = options.port;
+      target.unixSocketPath = options.unixSocket;
+    }
+  }
+  else {
+    services.push({
+      name: deployName,
+      port: options.port,
+      unixSocketPath: options.unixSocket,
+    });
+  }
+  await saveService(services);
+  
+  if(!await NginxCheck()){
+    throw new NginxError("nginx config grammar failed");
+  }
+
+  if(!await NginxReload()){
+    throw new NginxError("nginx reload failed");
+  }
+}
+
 
 if (import.meta.main) {
   const cmd = new Command()
     .name("deployNginx")
-    .version("1.0.1")
+    .version("1.0.2")
     .description("CLI")
     .action(()=>{
       console.log("sub command required");
     })
     .command("deploy", "deploy app")
-    .option("-p, --port <port:number>","port for app",{
-      required: true
-    })
+    .option("-p, --port <port:number>","port for app")
+    .option("--unixSocket <unixSocket:string>","unix socket path")
     .option("--disableSocket","disable socket io")
     .option("--clientMaxBodySize <clientMaxBodySize:number>","client max body size: MB Unit",{
       default: 20
     })
-    .option("--proxy <proxy:string>","proxy pass for app")
+    .option("--proxy <proxy:string>","proxy pass for app. you can bind unix socket like \"unix:<your unix socket path>\"")
     .arguments("<value:string>")
     .action(async (options, name)=>{
-      const deployPort = options.port;
-      const deployName = name;
-
-      if(deployName.includes("/")){
-        console.log("name invalid");
-        return;
-      }
-
-      if(!isRunAsRoot()){
-        console.log("Warning! It's not executed as root");
-      }
-      else{
-        console.log("run as root");
-      }
-
-      const services = await loadService();
-    
-      const dir = [...Deno.readDirSync("/etc/nginx/sites-available")]
-    
-      if (dir.map(x => x.name).includes(deployName)) {
-        console.log("duplicate!")
-        Deno.exit(1);
-      }
-
-      const proxyPass = options.proxy;
-      const socketIO = !options.disableSocket;
-      const content = createNginxConfigContent({
-        port: deployPort,
-        name: deployName,
-        proxyPass: proxyPass,
-        socketIO: socketIO,
-        clientMaxBodySize: options.clientMaxBodySize
-      });
-      await Deno.writeTextFile("/etc/nginx/sites-available/"+deployName,content);
-      await Deno.symlink("/etc/nginx/sites-available/"+deployName,"/etc/nginx/sites-enabled/"+deployName);
-      
-      if(services.map(x=>x.name).includes(deployName)){
-        const target = services.find(x=>x.name == deployName);
-        if(target){
-          target.port = deployPort;
-        }
-      }
-      else {
-        services.push({
-          name: deployName,
-          port: deployPort,
+      try {
+        await deployCommand(name,{
+          port: options.port,
+          unixSocket: options.unixSocket,
+          clientMaxBodySize: options.clientMaxBodySize,
+          disableSocket: options.disableSocket,
+          proxy: options.proxy
         });
       }
-      await saveService(services);
-      
-      if(!await NginxCheck()){
-        console.log("nginx config grammar failed");
-        Deno.exit(1);
-      }
-
-      if(!await NginxReload()){
-        console.log("nginx reload failed");
-        Deno.exit(1);  
+      catch(e){
+        if (e instanceof Error){
+          console.log(e.message);
+        }
       }
     })
     .command("undeploy","undeploy app")
@@ -204,26 +261,28 @@ if (import.meta.main) {
     .command("list","list deployed service")
     .action(async ()=>{
       const services = await loadService();
-      if(!Deno.isatty(Deno.stdout.rid)){
+      if(!Deno.stdout.isTerminal()){
         for (const service of services) {
-          printf("%s %s\n",service.name, service.port.toString());
+          printf("%s %s\n",service.name, (service.port ?? service.unixSocketPath ?? "ERROR").toString());
         }
       }
       else {
-        const maxServiceNameLength = services.length == 0 ? 0 : services.map(x=>x.name.length).reduce((x,y)=>Math.max(x,y));
+        const maxServiceNameLength = services.map(x=>x.name.length).reduce((x,y)=>Math.max(x,y), 0);
         const maxPadLength = Math.max(6,maxServiceNameLength);
-
+        const maxServiceOrNumberLength = services.map(x=> Math.max((x.port ?? 0).toString().length, x.unixSocketPath?.length ?? 0)).reduce((x,y)=>Math.max(x,y), 0);
+        const maxPad2Length = Math.max("PORT OR SOCKET PATH".length, maxServiceOrNumberLength);
         const prettyPrint = (name: string, port: string) => {
-          printf("%s %s\n",brightGreen(name) + " ".repeat(maxPadLength - name.length), 
-            brightMagenta(port.padStart(5 - port.length)));
+          printf("%s %s\n",brightGreen(name.padEnd(maxPadLength, " ")), 
+            brightMagenta(port.padEnd(maxPad2Length)
+            ));
         }
 
-        prettyPrint("NAME","PORT");
+        prettyPrint("NAME","PORT OR SOCKET PATH");
         for (const service of services) {
-          prettyPrint(service.name,service.port.toString());
+          prettyPrint(service.name,(service.port ?? service.unixSocketPath ?? "ERROR").toString());
         }
       }
     });
   
   await cmd.parse(Deno.args);
-}
\ No newline at end of file
+}