使用imagemin-mozjpeg与Docker一起抛出此错误“生成未知系统错误-8”。

Question

在我的macOS上，我似乎没有任何问题，但在使用Docker时，我得到了以下输出：

node_1      | [08:16:41] Finished 'clean' after 23 ms
node_1      | [08:16:41] Starting 'scripts'...
node_1      | [08:16:41] Starting 'styles'...
node_1      | [08:16:41] Starting 'images'...
node_1      | [08:16:41] Starting 'html'...
node_1      | ℹ - [Scripts] Compiling...
node_1      | ℹ - [Styles] Compiling...
node_1      | ℹ - [Images] Optimizing...
node_1      | ℹ - [HTML] Compiling...
node_1      | [08:16:58] 'images' errored after 17 s
node_1      | [08:16:58] Error in plugin "gulp-imagemin"
node_1      | Message:
node_1      |     spawn Unknown system error -8
node_1      | Details:
node_1      |     errno: -8
node_1      |     code: Unknown system error -8
node_1      |     syscall: spawn
node_1      |     fileName: /usr/src/app/assets/img/about-01.jpg
node_1      |     domainEmitter: [object Object]
node_1      |     domainThrown: false
node_1      | 
node_1      | [08:16:58] 'build' errored after 17 s
node_1      | npm ERR! code ELIFECYCLE
node_1      | npm ERR! errno 1
node_1      | npm ERR! @ dev: `gulp build && gulp watch`
node_1      | npm ERR! Exit status 1
node_1      | npm ERR! 
node_1      | npm ERR! Failed at the @ dev script.
node_1      | npm ERR! This is probably not a problem with npm. There is likely additional logging output above.
node_1      | 
node_1      | npm ERR! A complete log of this run can be found in:
node_1      | npm ERR!     /root/.npm/_logs/2021-08-22T08_16_58_562Z-debug.log
node_1 exited with code 1

我的Dockerfile：

FROM node:14-alpine3.11

WORKDIR /usr/src/app

COPY ./app/package.json /usr/src/app

RUN apk --no-cache add \
    ca-certificates \
    build-base \
    autoconf \
    automake \
    zlib \
    bash \
    libltdl \
    libtool \
    zlib-dev \
    nasm \
    && rm -rf /var/lib/apt/lists/*
    # mozjpeg: the packages above allowing to compile the binaries

RUN npm install -g gulp \
    && npm install gulp

ENV PATH ./node_modules/.bin/:$PATH

吞咽文件

import imagemin, { gifsicle, mozjpeg, optipng, svgo } from 'gulp-imagemin';

const imageminMozjpeg = require('imagemin-mozjpeg');

gulp.task('images', () => {
  logger('[Images] Optimizing...');
  return gulp
    .src(`${options.paths.src.img}/**/*.*`)
    .pipe(
      imagemin(
        [
          gifsicle({ interlaced: true }),
          imageminMozjpeg({ quality: 80, progressive: true }),
          optipng({ optimizationLevel: 5 }),
          svgo({ plugins: [{ removeViewBox: true }, { cleanupIDs: false }] }),
        ],
        {
          silent: false,
        }
      )
    )
    .pipe(
      isProd
        ? gulp.dest(options.paths.build.img)
        : gulp.dest(options.paths.dist.img)
    )
    .on('end', () => logger('[Images] Success!', figures.tick, 'GREEN'))
    .on('error', () => logger('[Images] Failed', figures.cross, 'RED'));
});

package.json

{
"devDependencies": {
"gulp-imagemin": "^8.0.0",
"imagemin-mozjpeg": "^6.0.0"
  }
}

我清理了缓存，再次运行了npm i，但是没有任何帮助。早些时候，我修复了这个问题：mozjpeg/vendor/cjpeg` binary doesn't seem to work correctly-https://github.com/imagemin/imagemin-mozjpeg/issues/28

我做了一些研究，但没能找到一个真正面对问题的人。

docker-compose.yml

version: '3'

volumes:
  local_postgres_data: {}
  local_postgres_data_backups: {}

services:
  postgres:
    build:
      context: .
      dockerfile: ./app/docker/postgres/Dockerfile
    image: webapp_prodcution_postgres
    volumes:
      - local_postgres_data:/var/lib/postgresql/data:Z
      - local_postgres_data_backups:/backups:z
    env_file:
      - ./app/.envs/.local/.env

  django:
    image: webapp_local_django
    build:
      context: .
      dockerfile: ./app/docker/django/Dockerfile
    volumes:
      - ./app/:/usr/src/app/
    command: /usr/src/app/docker/django/start_dev
    ports:
      - 8000:8000
    env_file:
      - ./app/.envs/.local/.env
    depends_on:
      - postgres

  node:
    image: webapp_local_node
    build:
      context: .
      dockerfile: ./app/docker/node/Dockerfile
    depends_on:
      - django
    volumes:
      - ./app/:/usr/src/app/
    command: npm run dev
    ports:
      - '3000:3000'

Answer 1

经过数小时的研究和不同设置的实验，我成功地解决了使用Linux/Docker时的mozjpeg错误。在使用alpine映像时，问题尤其突出。

我更新的Dockerfile：

FROM node:12-buster-slim

RUN npm i npm@latest -g

WORKDIR /usr/src

COPY ./app/package*.json ./

RUN apt-get update && apt-get install -y --no-install-recommends \
    autoconf \
    automake \
    g++ \
    libpng-dev \
    make\
    nasm \
    -y wget \
    && wget -q -O /tmp/libpng12.deb http://mirrors.kernel.org/ubuntu/pool/main/libp/libpng/libpng12-0_1.2.54-1ubuntu1_amd64.deb \
    && dpkg -i /tmp/libpng12.deb \
    && rm /tmp/libpng12.deb \
    && npm install --no-optional && npm cache clean --force \
    npm install -g gulp \
    && npm install gulp

ENV PATH /usr/src/node_modules/.bin/:$PATH

WORKDIR /usr/src/app

COPY . .

这些设置可能会节省您几个小时的挫折感。顺便说一下，由于构建时间长，所以不推荐Node的alpine映像，尽管它的图像大小很小。

编码愉快！

Answer 2

在我的macOS ..。利用码头..。我在码头外只运行了一次npm i

Docker通常运行Linux容器( Windows主机上的Windows容器除外)。使用此设置，您无法将安装在node_modules系统上的MacOS目录注入到Linux容器中；您将得到与您看到的错误非常相似的错误。

如果您想要获得一个实时的开发环境，那么最简单的方法就是忽略Docker，只使用Node。

brew install node
npm install
docker-compose up -d django
npm run dev

如果您想在Docker中运行这一点，映像通常应该是独立的；不要尝试从主机注入代码，如果它们有意义，则更愿意在Dockerfile中设置它们。第一步是防止Docker将主机的node_modules目录复制到容器中；创建一个包含行的.dockerignore文件

# .dockerignore
node_modules

Dockerfile需要将应用程序代码COPY在RUN npm install中，并设置运行应用程序的标准元数据。

FROM node:14-alpine3.11

# Install OS packages before COPYing anything at all in.
# (Review this list: do you _need_ a full C toolchain and
# low-level tools like libtool?)
RUN apk add ...

WORKDIR /usr/src/app

# Install Node packages.  Make sure to COPY the lock file in
# to get reproducible versions.  Don't `npm install` extra packages;
# add them to `package.json` instead.
COPY package.json package-lock.json .
RUN npm ci

# Install the rest of the application.
COPY . .
RUN npm build

# Say how to start the container.
CMD npm run start

既然映像包含了源代码、节点库依赖项、(Linux)支持二进制文件和默认命令，您就不需要在docker-compose.yml中指定其中的任何一个了；这一节只需

version: '3.8'
services:
  ...
  node:
    build:
      context: ./app              # (or a subdirectory containing the Node application?)
      dockerfile: Dockerfile.node # (omit if named exactly `Dockerfile`)
    ports:
      - '3000:3000'
    # depends_on:                 # only if the _server_ makes direct calls to the
    #   - django                  # backend; not if only the browser code does
    # no volumes:, command:, image: name override

(您应该能够类似地简化Django应用程序的编写设置:将其源代码放到映像中，在那里设置标准CMD，并删除几乎所有的运行时选项。)

Answer 3

第一次新安装npm。

npm install

vue-loader是webpack的一个加载程序，允许您以一种格式编写Vue组件。请运行命令。

npm i vue-loader

现在运行这个命令。

npm run dev