chrome-print

A headless chrome process with an express-based API in front of it. Upload an HTML file, specify width and height, get a PDF back.

Run

docker-compose up

Usage

# get the port the server is listening on
port=`docker ps |grep chromeprint_print |sed 's/.*:\([0-9]*\)-.*/\1/'`

# send the request
curl \
  -F "htmlFile=@test.html" \
  -F "width=8.5" \
  -F "height=11" \
  -X POST \
  -H "Content-Type: multipart/form-data" \
  -o test.pdf \
  http://localhost:$port/

# OR Send a URL

curl \
  -F "url=https://www.google.com/" \
  -F "width=8.5" \
  -F "height=11" \
  -X POST \
  -H "Content-Type: multipart/form-data" \
  -o test.pdf \
  http://localhost:$port/

Options

See also https://chromedevtools.github.io/devtools-protocol/tot/Page/#method-printToPDF

Name of param	Default Value	Description
htmlFile	undefined	One of htmlFile or url is required.
url	undefined	One of htmlFile or url is required.
width	8.5	Width of page in inches
height	11	Height of page in inches
delay	undefined	Delay in milliseconds to wait for JS/AJAX after page load.
marginBottom	0	Page bottom margin in inches
marginTop	0	Page top margin in inches
marginLeft	0	Page left margin in inches
marginRight	0	Page right margin in inches

Attribution

I basically copied and adapted code from this guy. My whole solution is obviously cobbled together from various slapped together sources, but it fits my needs.