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A Serverless plugin to easily add Tesseract OCR engine to your deployment. Builds tesseract for you in a docker container.
npm install --save serverless-tesseract
Add the plugin to your
serverless.yml file and configure:
plugins: - serverless-tesseract custom: # This section is optional, as well as all of its keys. # Defaults are shown in the example. tesseract: version: 4.0.0 leptonica_version: 1.76.0 tessdata: "osd eng" # Add any other languages rus, deu, ... tessdata_url: https://github.com/tesseract-ocr/tessdata/raw/master/ # Other obvious choices are: # https://github.com/tesseract-ocr/tessdata_fast/raw/master/ # https://github.com/tesseract-ocr/tessdata_best/raw/master/ # The fast ones are used by Ubuntu and Debian by default
sls deploy or
sls package as usual.
This plugins adds
tesseract-standalone directory to your build with its executable, libs and tessdata and convenience script
tesseract to the root of your project. You may call it directly or add it to path:
LAMBDA_TASK_ROOT = os.environ.get('LAMBDA_TASK_ROOT', os.path.dirname(__file__)) os.environ["PATH"] = LAMBDA_TASK_ROOT + os.pathsep + os.environ['PATH']
This plugin defines commands to manufacture and clean artifacts without packaging them:
sls tesseract create sls tesseract clean
Note that this plugin uses (Docker Artifacts)[https://github.com/Suor/serverless-docker-artifacts] plugin to function, so you can use that to clean up docker containers and images used to build tesseract:
sls dockart clean-docker
You need to add
serverless-docker-artifacts to your plugins first though.