Use 'public' option instead of 'host' for the Dev Server

packages/neutrino-middleware-dev-server/index.js

@@ -21,10 +21,22 @@ module.exports = (neutrino, options = {}) => {
   const config = neutrino.config;
   const server = ramda.pathOr({}, ['options', 'server'], neutrino);
   const protocol = process.env.HTTPS ? 'https' : 'http';
-  const host = process.env.HOST || server.host || options.host || '0.0.0.0';
+  const publicHost = process.env.HOST;
   const port = process.env.PORT || server.port || options.port || 5000;
   const https = (protocol === 'https') || server.https || options.https;
   let openInBrowser = false;
+  let serverPublic = false;
+  let host = 'localhost';
+
+  if (server.public !== undefined) {
+    serverPublic = Boolean(server.public);
+  } else if (options.public !== undefined) {
+    serverPublic = Boolean(options.public);
+  }
+
+  if (serverPublic) {
+    host = '0.0.0.0';
+  }
 
   if (server.open !== undefined) {
     openInBrowser = Boolean(server.open);
@@ -39,7 +51,8 @@ module.exports = (neutrino, options = {}) => {
     .contentBase(neutrino.options.source)
     .historyApiFallback(true)
     .hot(true)
-    .headers({ host })
+    .headers({ host: publicHost })
+    .public(publicHost)
     .publicPath('/')
     .stats({
       assets: false,

packages/neutrino-preset-web/index.js

@@ -114,7 +114,7 @@ module.exports = (neutrino) => {
       }))
     .when(process.env.NODE_ENV === 'development', (config) => {
       neutrino.use(hot);
-      neutrino.use(devServer, { host: 'localhost' });
+      neutrino.use(devServer);
       config.devtool('source-map');
     }, (config) => {
       neutrino.use(clean, { paths: [neutrino.options.output] });

packages/neutrino/bin/start.js

@@ -14,6 +14,8 @@ const whenIPReady = new Promise((done, failed) => {
   });
 });
 
+whenIPReady.then(ip => process.env.HOST = process.env.HOST || ip);
+
 module.exports = (middleware, options) => {
   const spinner = ora('Building project').start();