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firefart/gochro

firefart

Take screenshots of websites and create PDF from HTML pages using chromium and docker

1 次收藏下载次数: 0状态：社区镜像维护者：firefart仓库类型：镜像最近更新：6 小时前

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使用轩辕镜像，把时间还给真正重要的事。点击查看

gochro

![Build Status]([***]

gochro is a small docker image with chromium installed and a golang based webserver to interact wit it. It can be used to take screenshots of websites using chromium-headless and convert HTML pages to PDF.

If errors occur the error will be logged to stdout and a non information leaking error message is presented to the user.

This project is currently used on [***] for taking website screenshots and to generate PDF reports.

Screenshot

This URL takes a Screenshot of [***] with a resolution of 1024x768 and returns an image.

http://localhost:8080/screenshot?url=https://firefart.at&w=1024&h=768

PDF

Send a POST request with the HTML you want to convert in the Post body to the following url.

http://localhost:8080/html2pdf?w=1024&h=768

This will return a PDF of the HTML input.

Example:

text
POST /html2pdf?w=1024&h=768 HTTP/1.1
Host: localhost:8000
Content-Type: application/x-www-form-urlencoded
Content-Length: 119

<html>
<head><title>Test Page</title></head>
<body>
<h1>This is a test</h1>
<p>This is a test</p>
</body>
</html>

Run server

To run this image you should use the https://github.com/jessfraz/dotfiles/blob/master/etc/docker/seccomp/chrome.json provided by https://github.com/jessfraz. The privileges on the host are needed for chromiums internal security sandbox. You can also deactivate the sandbox on chromium (would require changes in main.go) but that's a bad idea and puts your server at risk, so please use the seccomp profile instead.

I included all the necessary steps in the included Makefile to build and run everything. Be sure to use the --init switch to get rid of zombie processes of chromium.

Command Line Options

text
-host                  The host and port to listen of (refers to inside the container). Defaults to 0.0.0.0:8000
-debug                 Enables debug output. Default: false
-ignore-cert-errors    Also fetch ressources from origins with untrusted certificates or cert errors.
-proxy                 Use a proxy server to connect to the internet. Please use format IP:PORT without a protocol. Example: 1.2.3.4:3128

Only build the webserver for non docker use

The following command builds the webserver for non docker use inside the build directory

bash
make all

Only build docker image

To only build the docker image run

bash
make docker-update

This will download the seccomp profile, all needed base images and builds the gochro:dev tagged image.

Run the image

To run the image in interactive mode (docker output will be connected to current terminal) run

bash
make docker-run

This will also build the image before running it. This maps the internal port 8000 to your machine.

Run the image in deamon mode

To run it in deamon mode use the following command. This will launch everything in the background. Be aware that the webserver is rerun on startup of the machine if you don't shut down the container manually.

bash
make docker-run-daemon

Use the docker hub image

You can also use the https://hub.docker.com/r/firefart/gochro from dockerhub.

To pull the image run

bash
docker pull firefart/gochro

Include in docker-compose

If you want to include this image in a docker-compose file you can use the following example. Just connect the gochronet to the other service so the containers can communicate with each other.

Please note that the 0.0.0.0 in the command only applies to the network inside the docker container itself. If you want to access it from your local machine you need to add a port mapping.

yml
version: '3.7'

services:
  gochro:
    image: firefart/gochro
    init: true
    container_name: gochro
    security_opt:
      - seccomp="chrome.json"
    command: -host 0.0.0.0:8000
    networks:
      - gochronet

networks:
  gochronet:
    driver: bridge

镜像拉取方式

您可以使用以下命令拉取该镜像。请将 <标签> 替换为具体的标签版本。如需查看所有可用标签版本，请访问标签列表页面。

轩辕镜像加速拉取命令点我查看更多 gochro 镜像标签

docker pull docker.xuanyuan.run/firefart/gochro:<标签>

使用方法：

DockerHub 原生拉取命令

docker pull firefart/gochro:<标签>

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