Switch `webpack` service to Alpine

.travis.yml

@@ -19,7 +19,6 @@ before_script:
   - sudo docker-compose run web npm install
   - sudo docker-compose run web bundle exec rails db:setup
   - sudo docker-compose run web rake keys:generate
-  # - sudo docker-compose run web npm run build
 script:
   - sudo docker-compose run web npm run tslint
   - sudo docker-compose run web npm run sass-lint

docker-compose.yml

@@ -11,8 +11,7 @@ x-rails: &rails
 
 x-base_config: &base_config
   env_file: .env
-  restart: unless-stopped
-
+  # restart: unless-stopped
 services:
   redis:
     <<: *base_config
@@ -52,8 +51,11 @@ services:
      - ./docker_volumes/rabbit:/farmbot
   webpack:     # ====================
     <<: *base_config
-    <<: *rails
+    image: node:8.12.0-alpine
+    working_dir: /farmbot
     command: ./node_modules/.bin/webpack-dev-server --config config/webpack.config.js
+    volumes:
+      - .:/farmbot
     ports: ["3808:3808"] # Webpack Dev Server
   delayed_job: # ====================
     <<: *base_config

package.json

@@ -14,7 +14,7 @@
     "start": "echo 'use `sudo docker-compose up` instead.'",
     "heroku-postbuild": "webpack --config=./config/webpack.prod.js",
     "webpack": "./node_modules/.bin/webpack-dev-server --config config/webpack.dev.js",
-    "test-slow": "jest --coverage --no-cache --maxWorkers=4 --ci",
+    "test-slow": "jest --coverage --ci",
     "test": "jest --no-coverage --cache -w 5",
     "typecheck": "./node_modules/.bin/tsc --noEmit --jsx preserve",
     "tslint": "./node_modules/tslint/bin/tslint --project .",