Merge pull request #1975 from colbygk/docker_ergonomics

watchOptions required for use in docker environment

.eslintignore

@@ -5,3 +5,4 @@ intl/*
 locales/*
 **/*.min.js
 **/node_modules/*
+scratch-gui/*

dev-server/index.js

@@ -21,7 +21,18 @@ routes.forEach(route => {
     app.get(route.pattern, handler(route));
 });
 
-app.use(webpackDevMiddleware(compiler));
+var middlewareOptions = {};
+if (process.env.USE_DOCKER_WATCHOPTIONS) {
+    middlewareOptions = {
+        watchOptions: {
+            aggregateTimeout: 500,
+            poll: 2500,
+            ignored: ['node_modules', 'build']
+        }
+    };
+}
+
+app.use(webpackDevMiddleware(compiler, middlewareOptions));
 
 var proxyHost = process.env.FALLBACK || '';
 if (proxyHost !== '') {

docker-compose.yml

@@ -15,6 +15,7 @@ services:
     environment:
       - API_HOST=http://localhost:8491
       - FALLBACK=http://localhost:8080
+      - USE_DOCKER_WATCHOPTIONS=true
     build:  
       context: ./
       dockerfile: Dockerfile