problem starting docker container . SyntaxError: Unexpected token function

[dcsan]

$ docker logs 45dea0b5cad1

 __        __        _           _          
 \ \      / /__  ___| |__   __ _| |_ _   _  
  \ \ /\ / / _ \/ __| '_ \ / _` | __| | | | 
   \ V  V /  __/ (__| | | | (_| | |_| |_| | 
    \_/\_/ \___|\___|_| |_|\__,_|\__|\__, | 
                                     |___/  
____________________________________________________
            https://www.wechaty.io
  ____                            _   _             
 / ___|___  _ __  _ __   ___  ___| |_(_)_ __   __ _ 
| |   / _ \| '_ \| '_ \ / _ \/ __| __| | '_ \ / _` |
| |__| (_) | | | | | | |  __/ (__| |_| | | | | (_| |
 \____\___/|_| |_|_| |_|\___|\___|\__|_|_| |_|\__, |
                                              |___/ 
  ____ _           _   ____        _       
 / ___| |__   __ _| |_| __ )  ___ | |_ ___ 
| |   | '_ \ / _` | __|  _ \ / _ \| __/ __|
| |___| | | | (_| | |_| |_) | (_) | |_\__ \
 \____|_| |_|\__,_|\__|____/ \___/ \__|___/
                                           

Starting Wechaty ... v0.6.47

Working directory: /bot
Install dependencies modules ...
yarn install v0.16.1
info No lockfile found.
[1/4] Resolving packages...
[2/4] Fetching packages...
[3/4] Linking dependencies...
[4/4] Building fresh packages...
success Saved lockfile.
Done in 67.01s.
Executing node index.js
/bot/index.js:7
(async function init() {
       ^^^^^^^^
SyntaxError: Unexpected token function
    at Object.exports.runInThisContext (vm.js:78:16)
    at Module._compile (module.js:543:28)
    at Object.Module._extensions..js (module.js:580:10)
    at Module.load (module.js:488:32)
    at tryModuleLoad (module.js:447:12)
    at Function.Module._load (module.js:439:3)
    at Module.runMain (module.js:605:10)
    at run (bootstrap_node.js:420:7)
    at startup (bootstrap_node.js:139:9)
    at bootstrap_node.js:535:3
  ____  _   _  ____   ____  _____ ____   ___  ____ _____  
 | __ )| | | |/ ___| |  _ \| ____|  _ \ / _ \|  _ \_   _| 
 |  _ \| | | | |  _  | |_) |  _| | |_) | | | | |_) || |   
 | |_) | |_| | |_| | |  _ <| |___|  __/| |_| |  _ < | |   
 |____/ \___/ \____| |_| \_\_____|_|    \___/|_| \_\|_|   
                                                          
Press ENTER to continue ... 

### 1. source code of index.js

const debug = require('debug')("bot:index");
const express = require('express');
const bodyParser = require('body-parser');
const sendMsgToRoom = require('./lib').sendMsgToRoom;
const Kbot = require('./Kbot').Kbot;

(async function init() {
  debug('startup');

  const app = express();
  app.use(bodyParser.json());

  app.post('/api/messages', async (req, res) => {
    const {room, content} = req.body;
    const result = await sendMsgToRoom(room, content);
    res.json(result);
  });

  const port = 8080;
  app.listen(port, () => {
    debug('Wechaty bot listening on port: ', port);
  });

  Kbot.startup();
})();


### 2. directory structor of /bot

total 56
-rw-r--r--   1 root root    99 Mar 22 06:54 Dockerfile
-rw-r--r--   1 root root  2266 Mar 22 06:54 Kbot.js
-rw-r--r--   1 root root   627 Mar 22 06:54 README.md
drwxr-xr-x   2 root root  4096 Mar 22 06:57 bin
drwxr-xr-x   2 root root  4096 Mar 22 06:57 config
-rw-r--r--   1 root root   621 Mar 22 06:54 index.js
-rw-r--r--   1 root root   519 Mar 22 06:54 lib.js
drwxr-xr-x 102 root root  4096 Mar 22 14:05 node_modules
-rw-r--r--   1 root root   580 Mar 22 06:54 package.json
-rw-r--r--   1 root root 19564 Mar 22 14:05 yarn.lock

### 3. package.json

{
  "name": "groups-bot",
  "version": "0.0.1",
  "description": "groups bot",
  "repository": "[email protected]:dcsan/groups-bot.git",
  "license": "ISC",
  "main": "index.ts",
  "scripts": {
    "build": "docker build -t groups-bot .",
    "container": "docker run -ti -d -p 49160:8080 groups-bot",
    "start": "npm run build && npm run container"
  },
  "dependencies": {
    "body-parser": "^1.17.1",
    "debug": "^2.6.3",
    "express": "^4.15.2",
    "finis": "0.0.2",
    "qrcode-terminal": "^0.11.0",
    "request": "^2.81.0",
    "request-promise-native": "^1.0.3"
  }
}

### 4. directory structor inside /bot/node_modules

accepts		     finalhandler	    negotiator
ajv		     finis		    oauth-sign
array-flatten	     forever-agent	    on-finished
asn1		     form-data		    parseurl
assert-plus	     forwarded		    path-to-regexp
asynckit	     fresh		    performance-now
aws-sign2	     getpass		    proxy-addr
aws4		     har-schema		    punycode
bcrypt-pbkdf	     har-validator	    qrcode-terminal
body-parser	     hawk		    qs
boom		     hoek		    range-parser
bytes		     http-errors	    raw-body
caseless	     http-signature	    request
co		     iconv-lite		    request-promise-core
combined-stream      inherits		    request-promise-native
content-disposition  ipaddr.js		    safe-buffer
content-type	     is-typedarray	    send
cookie		     isstream		    serve-static
cookie-signature     jodid25519		    setprototypeof
cryptiles	     jsbn		    sntp
dashdash	     json-schema	    sshpk
debug		     json-stable-stringify  statuses
delayed-stream	     json-stringify-safe    stealthy-require
depd		     jsonify		    stringstream
destroy		     jsprim		    tough-cookie
ecc-jsbn	     lodash		    tunnel-agent
ee-first	     media-typer	    tweetnacl
encodeurl	     merge-descriptors	    type-is
escape-html	     methods		    unpipe
etag		     mime		    utils-merge
express		     mime-db		    uuid
extend		     mime-types		    vary
extsprintf	     ms			    verror

### 5. wechaty doctor


#### Wechaty Doctor

1. Wechaty version: 0.6.47
2. Linux x64 version 4.4.27-moby memory 1511/1997 MB
3. Docker: true
4. Node version: v7.2.1

[dcsan]

I had an old wechaty docker image on my system that got picked up.