diff --git a/lib/command.mjs b/lib/command.mjs
index 4558d9f..a746222 100644
--- a/lib/command.mjs
+++ b/lib/command.mjs
@@ -1,10 +1,21 @@
 const localhost = host =>
-  process.getuid() === 0 && (host === 'localhost' || host === '0.0.0.0' || host === '127.0.0.1');
+  process.getuid() === 0 &&
+  (host === 'localhost' || host === '0.0.0.0' || host === '127.0.0.1');
 
-export default ({ request: { headers }, client: { conn } }, { user, host, port, auth }) => ({
+export default (
+  { request: { headers }, client: { conn } },
+  { user, host, port, auth },
+) => ({
   args: localhost(host)
     ? ['login', '-h', conn.remoteAddress.split(':')[3]]
-    : ['ssh', address(headers, user, host), '-p', port, '-o', `PreferredAuthentications=${auth}`],
+    : [
+        'ssh',
+        address(headers, user, host),
+        '-p',
+        port,
+        '-o',
+        `PreferredAuthentications=${auth}`,
+      ],
   user: localhost(host) || user !== '' || user.includes('@'),
 });
 
diff --git a/lib/emitter.mjs b/lib/emitter.mjs
index 5c477e6..a4b6f55 100644
--- a/lib/emitter.mjs
+++ b/lib/emitter.mjs
@@ -53,6 +53,7 @@ class WeTTy extends EventEmitter {
           auth,
           port,
         });
+        this.emit('debug', `sshUser: ${sshUser}, args: ${args}`);
         if (sshUser) {
           term.spawn(socket, args);
         } else {
diff --git a/lib/index.mjs b/lib/index.mjs
index 4e480b8..bc52710 100644
--- a/lib/index.mjs
+++ b/lib/index.mjs
@@ -61,7 +61,8 @@ export default class {
       })
       .on('spawn', ({ msg }) => logger.info(msg))
       .on('connection', ({ msg, date }) => logger.info(`${date} ${msg}`))
-      .on('server', ({ msg }) => logger.info(msg));
+      .on('server', ({ msg }) => logger.info(msg))
+      .on('debug', msg => logger.debug(msg));
     return wetty.start(
       {
         user: sshuser,
diff --git a/lib/logger.mjs b/lib/logger.mjs
index 5d7aeec..a25a10f 100644
--- a/lib/logger.mjs
+++ b/lib/logger.mjs
@@ -7,9 +7,17 @@ const logger = createLogger({
     colorize({ all: true }),
     label({ label: 'Wetty' }),
     timestamp(),
-    printf(info => `${info.timestamp} [${info.label}] ${info.level}: ${info.message}`),
+    printf(
+      info =>
+        `${info.timestamp} [${info.label}] ${info.level}: ${info.message}`,
+    ),
   ),
-  transports: [new transports.Console({ handleExceptions: true })],
+  transports: [
+    new transports.Console({
+      level: process.env.NODE_ENV === 'development' ? 'debug' : 'info',
+      handleExceptions: true,
+    }),
+  ],
 });
 
 export default logger;
diff --git a/lib/server.mjs b/lib/server.mjs
index 3cf865d..1707d86 100644
--- a/lib/server.mjs
+++ b/lib/server.mjs
@@ -12,6 +12,7 @@ import events from './emitter.mjs';
 const pubDir = path.join(__dirname, '..', 'public');
 
 export default function createServer(port, { key, cert }) {
+  events.emit('debug', `key: ${key}, cert: ${cert}, port: ${port}`);
   const app = express();
   const wetty = (req, res) => res.sendFile(path.join(pubDir, 'index.html'));
   app
diff --git a/package.json b/package.json
index 58baec7..13b9674 100644
--- a/package.json
+++ b/package.json
@@ -15,7 +15,7 @@
   },
   "main": "index.js",
   "scripts": {
-    "lint": "eslint .",
+    "lint": "eslint --ext .js,.mjs .",
     "build": "webpack",
     "start": "node .",
     "dev":