Phantom JS + Docker:从HTML转换时不考虑html字体系列



当我在 docker 中运行我的 phantomjs 应用程序时,在 Node 中,它工作正常(将 HTML 转换为 Jpeg(。
但是,当我将其发布到 docker 容器时,不再考虑字体名称。

这个应用程序将HTML转换为jpeg,pdf或其他媒体,使用html-convert npm,这是phantomjs的包装器

码头工人文件:

FROM node:latest
WORKDIR /app
COPY package.json /app
RUN npm install
COPY . /app
CMD node app.js
EXPOSE 8081

包.json

{
"name": "htmlconverter",
"version": "1.0.0",
"description": "",
"main": "app.js",
"dependencies": {
"body-parser": "^1.18.2",
"ent": "^2.2.0",
"express": "^4.16.3",
"generator-azuresfcontainer": "^1.0.0",
"html-convert": "^2.1.7",
"html-entities": "^1.2.1",
"memorystream": "^0.3.1",
"phantomjs": "*",
"phantomjs-prebuilt": "*",
"picture-tube": "^1.0.0"
},
"devDependencies": {},
"scripts": {
"test": "echo "Error: no test specified" && exit 1"
},
"author": ""
}

应用.js

var http = require("http");
var express = require('express');
var htmlConvert = require('html-convert');
var url = require('url');
var querystring = require('querystring');
var Readable = require('stream').Readable;
var bodyParser = require('body-parser');
var app = express();
app.use(bodyParser.json());
app.use(bodyParser.urlencoded({ extended: true }));
app.post('/', function (req, res) {
var html = unescape(req.body.html);
var format = req.body.format;
var orientation = req.body.orientation;
var convert = htmlConvert({
format: format,
orientation: orientation
});
var s = new Readable();
s._read = function noop() { };
s.push(html);
s.push(null);
var result = s.pipe(convert());
result.pipe(res);
});
var server = app.listen(8081, function () {
var host = server.address().address;
var port = server.address().port;
console.log("Example app listening at http://%s:%s", host, port);
});

邮递员(从 HTML 生成 jpeg(:

http://127.0.0.1:8081/
{
"html": "<!DOCTYPE html><html><head><style>body {background-color: powderblue; font-family: 'Comic Sans MS';}h1   {color: blue;}p    {color: red;}</style></head><body><h1>This is a heading</h1><p>This is a paragraph.</p></body></html>",
"format":"jpeg",
"orientation":"Landscape"
}

在启动"节点应用程序.js"后,观察调用 POST 时"Comic Sans"字体的工作情况

然后运行 Docker,并观察正在使用的默认字体:

docker build -t htmlconverter .
docker run -p 8081:8081 htmlconverter 

我在 Windows 10 中运行这个

有什么想法吗?

检查下面的链接以获取解决方案。 链接

Please add the scripts to the Dockerfile:
RUN apk add fontconfig ttf-dejavu
RUN apk add --no-cache curl &&
cd /tmp && curl -Ls https://github.com/dustinblackman/phantomized/releases/download/2.1.1/dockerized-phantomjs.tar.gz | tar xz &&
cp -R lib lib64 / &&
cp -R usr/lib/x86_64-linux-gnu /usr/lib &&
cp -R usr/share /usr/share &&
cp -R etc/fonts /etc &&
apk del curl
I did it and it works well. (node:12.20-alpine3.12)

这就是我让我的应用程序与Puppeteer一起工作的方式。
注意:我切换到Chrome Headless,因为PhantomJS是具有阴暗Lic协议的恐龙,没有像样的支持

FROM node:latest
# See https://crbug.com/795759
RUN apt-get update && apt-get install -yq libgconf-2-4
# Install latest chrome dev package and fonts to support major charsets (Chinese, Japanese, Arabic, Hebrew, Thai and a few others)
# Note: this installs the necessary libs to make the bundled version of Chromium that Puppeteer
# installs, work.
RUN apt-get update && apt-get install -y wget --no-install-recommends 
&& wget -q -O - https://dl-ssl.google.com/linux/linux_signing_key.pub | apt-key add - 
&& sh -c 'echo "deb [arch=amd64] http://dl.google.com/linux/chrome/deb/ stable main" >> /etc/apt/sources.list.d/google.list' 
&& apt-get update 
&& apt-get install -y google-chrome-unstable fonts-ipafont-gothic fonts-wqy-zenhei fonts-thai-tlwg fonts-kacst ttf-freefont 
--no-install-recommends 
&& rm -rf /var/lib/apt/lists/* 
&& apt-get purge --auto-remove -y curl 
&& rm -rf /src/*.deb
RUN echo "deb http://httpredir.debian.org/debian jessie main contrib" > /etc/apt/sources.list 
&& echo "deb http://security.debian.org/ jessie/updates main contrib" >> /etc/apt/sources.list 
&& echo "ttf-mscorefonts-installer msttcorefonts/accepted-mscorefonts-eula select true" | debconf-set-selections 
&& apt-get update 
&& apt-get install -y ttf-mscorefonts-installer 
&& apt-get clean 
&& apt-get autoremove -y 
&& rm -rf /var/lib/apt/lists/*
WORKDIR /app
COPY package.json /app
RUN npm install
COPY . /app
CMD ["node", "app.js" ]
EXPOSE 8081

该字体不在node:latest图像中。您需要先安装 MS 字体系列。我无法将工作的Dockerfile放在一起,但是这些命令应该可以工作

  1. wget http://ftp.de.debian.org/debian/pool/contrib/m/msttcorefonts/ttf-mscorefonts-installer_3.6_all.deb
  2. dpkg -i ttf-mscorefonts-installer_3.6_all.deb
  3. apt-get install -f -y

第二个命令引发错误,这会导致 docker 映像生成失败。好吧,如果您找到一种忽略此错误的方法,您应该能够在 Dockerfile a 中包含命令并使用 MS 字体构建它。

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