Webshot

Webshot is a website screenshot service written in golang, it uses Chrome Headless to generate website screenshots.

Usage of HTTP Server

$ go run cmd/server.go --help
  
  -host string
        http server host (default "0.0.0.0")
  -max int
        chrome max thread num (default 10)
  -mode string
        gin mode (default "release")
  -path string
        chrome exec path
  -port int
        http server port (default 30080)
  -proxy string
        chrome proxy      

Examples:

Download image from the command line.

$ curl "http://localhost:30080/screenshot?url=google.com" > google.png

View image in the browser.

http://localhost:30080/screenshot?url=google.com&output=html

API

GET /screenshot

Name	Type	Default	Description
url	string		Target URL (required), http(s):// prefix is optional
timeout	int	15	Maximum waiting time (seconds)
output	string	raw	Output format (raw, base64, html)
width	int	1920	Viewport width
height	int	1080	Viewport height
full	bool	false	Capture full page height
delay	int	0	Delay screenshot after page is loaded (milliseconds)

GET /raw

return raw html when window loaded

Name	Type	Default	Description
url	string		Target URL (required), http(s):// prefix is optional
timeout	int	15	Maximum waiting time (seconds)
delay	int	0	Delay screenshot after page is loaded (milliseconds)

Docker

Running

# pull latest version
$ docker pull 4everland/webshot:latest

# run
$ docker run -d -p 30080:30080 --rm --name webshot 4everland/webshot

Building

$ docker build -t webshot .

TODO

• Support Remote Chrome
• CLI Tools