Angular单体仓库Docker构建时npm run build卡住求助

在为Angular项目搭建单体仓库（monorepo）架构并尝试Docker容器化时，执行docker build命令构建镜像时，终端卡在npm run build阶段无限停滞，无法完成镜像构建；但在独立仓库中执行相同命令可成功构建。

Dockerfile配置 #

FROM node as builder

WORKDIR /app

COPY . /app

RUN npm i

RUN npm run build application-one

FROM nginx:1.17.1-alpine

COPY --from=builder /app/dist/docker-angular-app /usr/share/nginx/html

package.json配置 #

{
  "name": "angular-docker-practice",
  "version": "0.0.0",
  "scripts": {
    "ng": "ng",
    "start": "ng serve",
    "build": "ng build",
    "watch": "ng build --watch --configuration development",
    "test": "ng test"
  },
  "private": true,
  "dependencies": {
    "@angular/animations": "^15.1.0",
    "@angular/common": "^15.1.0",
    "@angular/compiler": "^15.1.0",
    "@angular/core": "^15.1.0",
    "@angular/forms": "^15.1.0",
    "@angular/platform-browser": "^15.1.0",
    "@angular/platform-browser-dynamic": "^15.1.0",
    "@angular/router": "^15.1.0",
    "rxjs": "~7.8.0",
    "tslib": "^2.3.0",
    "zone.js": "~0.12.0"
  },
  "devDependencies": {
    "@angular-devkit/build-angular": "^15.1.6",
    "@angular/cli": "~15.1.4",
    "@angular/compiler-cli": "^15.1.0",
    "@types/jasmine": "~4.3.0",
    "jasmine-core": "~4.5.0",
    "karma": "~6.4.0",
    "karma-chrome-launcher": "~3.1.0",
    "karma-coverage": "~2.2.0",
    "karma-jasmine": "~5.1.0",
    "karma-jasmine-html-reporter": "~2.0.0",
    "typescript": "~4.9.4"
  }
}

排查方向 #

• Monorepo构建命令适配：当前npm run build application-one未正确转发参数到Angular CLI。Angular monorepo构建指定项目需用ng build application-one，可直接修改Dockerfile中的构建命令为RUN ng build application-one，或更新package.json的build脚本为"build": "ng build $@"以支持参数传递。
• 依赖安装稳定性：Monorepo依赖结构复杂，用RUN npm ci替代RUN npm i，确保依赖版本与package-lock.json完全一致，避免依赖冲突导致的构建停滞。
• 容器资源扩容：Docker默认资源限制可能不足以支撑monorepo构建，执行docker build --cpus 2 --memory 2g .增加CPU和内存分配。
• 清除构建缓存：旧缓存可能干扰构建，添加--no-cache参数重新构建：docker build --no-cache .。
• 开启详细日志：修改构建命令为RUN npm run build application-one -- --verbose，查看具体卡住的环节或错误信息。
• 优化构建上下文：添加.dockerignore文件排除无关文件，减少构建上下文大小并避免干扰：

  node_modules/
  dist/
  .git/
  .angular/
  

内容的提问来源于stack exchange，提问作者Sundeep