如何使用Docker改善Angular5项目的构建时间？

我正在努力改善自动化的构建时间.现在只需要14分钟来构建前端.

这是我到目前为止所得到的

web.dockerfile

### STAGE 1: Build ###
FROM node:9.3.0-alpine as builder

COPY package.json ./

RUN npm set progress=false && npm config set depth 0 && npm cache clean --force

## Storing node modules on a separate layer will prevent unnecessary npm installs at each build
RUN npm i
RUN mkdir /web
RUN cp -R ./node_modules ./web

WORKDIR /web

COPY . .

RUN $(npm bin)/ng build --prod --build-optimizer

### STAGE 2: Setup ###

FROM nginx:1.13.8-alpine

COPY nginx.conf /etc/nginx/nginx.conf
COPY site.conf /etc/nginx/conf.d/default.conf
RUN rm -rf /usr/share/nginx/html/*

COPY --from=builder /web/dist /usr/share/nginx/html/

RUN touch /var/run/nginx.pid && \
  chown -R nginx:nginx /var/run/nginx.pid && \
  chown -R nginx:nginx /var/cache/nginx && \
  chown -R nginx:nginx /usr/share/nginx/html

USER nginx

RUN $(npm bin)/ ng build --prod --build-optimizer

上面这一行几乎占用了整个99%的构建时间.

.angular-cli.json

{
  "$schema": "./node_modules/@angular/cli/lib/config/schema.json",
  "project": {
    "name": "web"
  },
  "apps": [{
    "root": "src",
    "outDir": "dist",
    "assets": [
      "assets",
      "favicon.ico"
    ],
    "index": "index.html",
    "main": "main.ts",
    "polyfills": "polyfills.ts",
    "test": "test.ts",
    "tsconfig": "tsconfig.app.json",
    "testTsconfig": "tsconfig.spec.json",
    "prefix": "app",
    "styles": [
      "styles.css",
      "../node_modules/bootstrap/dist/css/bootstrap.min.css",
      "../node_modules/ngx-toastr/toastr.css",
      "../src/assets/css/style.css",
      "../src/assets/css/colors/blue.css"

    ],
    "scripts": [
      "../node_modules/jquery/dist/jquery.min.js",
      "../node_modules/popper.js/dist/umd/popper.min.js",
      "../node_modules/bootstrap/dist/js/bootstrap.min.js",
      "../node_modules/jquery-slimscroll/jquery.slimscroll.min.js",
      "../node_modules/pace-js/pace.min.js"
    ],
    "environmentSource": "environments/environment.ts",
    "environments": {
      "dev": "environments/environment.ts",
      "prod": "environments/environment.prod.ts"
    }
  }],
  "e2e": {
    "protractor": {
      "config": "./protractor.conf.js"
    }
  },
  "lint": [{
      "project": "src/tsconfig.app.json",
      "exclude": "**/node_modules/**"
    },
    {
      "project": "src/tsconfig.spec.json",
      "exclude": "**/node_modules/**"
    },
    {
      "project": "e2e/tsconfig.e2e.json",
      "exclude": "**/node_modules/**"
    }
  ],
  "test": {
    "karma": {
      "config": "./karma.conf.js"
    }
  },
  "defaults": {
    "styleExt": "css",
    "component": {}
  }
}

DockerCloud连接到我的AWS

AWS:EC2 micro

这个dockerfile完美运行,并且它可以构建成功.

但是建造需要大约14分钟.

怎么会改变这个呢？

是因为我的实例处理器太少了吗？

我现在对任何建议持开放态度.

任何提示/建议/帮助将非常感谢!