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
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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