otiai10
ocrserver
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A simple OCR API server, seriously easy to be deployed by Docker, on Heroku as well

Last updated Jul 3, 2026
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README

ocrserver

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Simple OCR server, as a small working sample for gosseract.

Try now here https://ocr-example.herokuapp.com/, and deploy your own now.

Deploy to Heroku

# Get the code
% git clone git@github.com:otiai10/ocrserver.git
% cd ocrserver

Make your app

% heroku login % heroku create

Deploy the container

% heroku container:login % heroku container:push web

Enjoy it!

% heroku open

cf. heroku cli

Quick Start

Ready-Made Docker Image

% docker run -p 8080:8080 otiai10/ocrserver

open http://localhost:8080

cf. docker

Development with Docker Image

% docker-compose up

open http://localhost:8080

You need more languages?

% docker-compose build --build-arg LOAD_LANG=rus
% docker-compose up

cf. docker-compose

Manual Setup

If you have tesseract-ocr and library files on your machine

% go get github.com/otiai10/ocrserver/...
% PORT=8080 ocrserver

open http://localhost:8080

cf. gosseract

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