How to add languages for tesseract-ocr in the image? about ocrmypdf

[jbarlow83]

I'll add more languages next time I update ocrmypdf.

The Dockerfile specifies how the container was built. It provides its own copy of tesseract and will not use the one on your machine, or anything else about your machine. It's like a lightweight virtual machine.

You can jump inside an ocrmypdf container, modify it, and save the changes as your own private image. (A container is an instance of image.)

In your case it would go something like this (not tested, made up on the spot):

$ docker run -t -i ocrmypdf /bin/bash
root@container:/# apt-get install tesseract-ocr-chi-sim
root@container:/# exit
$ docker commit -m "Added Chinese simplified" -a "Your Name"

See here:
https://docs.docker.com/engine/userguide/dockerimages/

[jbarlow83]

I decided to produce a second version of the container which provides all Tesseract's languages.

You can use this command to download it. Then Chinese (Simplified and Traditional) will be available.

docker pull jbarlow83/ocrmypdf-polyglot