Simple OCR server, as a small working sample for gosseract.
Try now here https://ocr-example.herokuapp.com/, and deploy your own now.
% git clone git@github.com:otiai10/ocrserver.git
% cd ocrserver
# heroku login (if needed)
% heroku create
# heroku container:login (If needed)
% heroku container:push web
# heroku open
cf. heroku cli
% docker run -e PORT=8080 -p 8080:8080 otiai10/ocrserver
# open http://localhost:8080
cf. docker
% docker-compose up --build
# open http://localhost:8080
cf. docker-compose
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