diff --git a/src/dashboard/README.md b/src/dashboard/README.md
index 5518166ae..049519d8a 100644
--- a/src/dashboard/README.md
+++ b/src/dashboard/README.md
@@ -8,7 +8,14 @@ DLTS dashboard is using [config](https://npmjs.com/package/config) to maintain c
 
 The configuration schema (with description) is maintained in [config.schema.json](./server/api/validator/config.schema.json).
 
-## Local development
+## Environment Variables
+
+- `HOST` the host of server listening, default `::` (IPv6) or `0.0.0.0` (IPv4).
+- `PORT` the port of server listening, default `3000`.
+- `SSL_KEY` the SSL/TLS private key file for HTTPS / HTTP2 support.
+- `SSL_CERT` the SSL/TLS certificate file for HTTPS / HTTP2 support.
+
+## Local Development
 
 1. Install [Node.js](https://nodejs.org/), version 10 is recommended.
 2. Install [Yarn](https://yarnpkg.com/) for package maintaince.
diff --git a/src/dashboard/server/index.js b/src/dashboard/server/index.js
index 7e7f8771a..a797e7dac 100644
--- a/src/dashboard/server/index.js
+++ b/src/dashboard/server/index.js
@@ -7,5 +7,25 @@ app.use(mount('/api', require('./api')))
 app.use(require('./frontend'))
 
 if (require.main === module) {
-  app.listen(process.env.PORT || 3000, process.env.HOST)
+  const http = require('http')
+  const http2 = require('http2')
+  const fs = require('fs')
+
+  const {
+    HOST,
+    PORT = 3000,
+    SSL_KEY,
+    SSL_CERT
+  } = process.env
+
+  const server = SSL_KEY && SSL_CERT
+    ? http2.createSecureServer({
+      allowHTTP1: true,
+      key: fs.readFileSync(SSL_KEY),
+      cert: fs.readFileSync(SSL_CERT)
+    })
+    : http.createServer()
+
+  server.on('request', app.callback())
+  server.listen(PORT, HOST)
 }