Add Docker support for development

Author: colinthornton

Dockerfile

@@ -0,0 +1,5 @@
+FROM node
+WORKDIR /usr/src/app
+COPY ./package*.json ./
+RUN npm install
+CMD [ "npm", "start" ]

docker-compose.yml

@@ -0,0 +1,9 @@
+version: "3"
+services:
+  web:
+    build: .
+    ports:
+      - 8080:8080
+    volumes:
+      - .:/usr/src/app
+      - /usr/src/app/node_modules

package.json

@@ -6,7 +6,7 @@
   "scripts": {
     "test": "echo \"Error: no test specified\" && exit 1",
     "build": "webpack",
-    "start": "webpack-dev-server --open"
+    "start": "webpack-dev-server"
   },
   "keywords": [],
   "author": "Colin Thornton",

webpack.config.js

@@ -42,7 +42,12 @@ module.exports = {
   devtool: "source-map",
   devServer: {
     contentBase: "./dist",
-    port: 8080
+    host: "0.0.0.0",
+    port: 8080,
+    watchOptions: {
+      aggregateTimeout: 300,
+      poll: 1000
+    }
   },
   plugins: [
     new CleanWebpackPlugin(),