OCR tesseract AWS-lambda demo with serverless framework

Summary

A simple demo using tesseract.js OCR wiht AWS lambda Function.

Prerequisites

• Node.js

node --version    
v14.17.0

• npm

npm --version
8.10.0

• Serverless framework

serverless --version
Framework Core: 3.19.0
Plugin: 6.2.2
SDK: 4.3.2

• AWS cli

aws --version
aws-cli/2.4.2 

• AWS Credentias configured

Notes of develop and configurations

• Run npm init for start the npm project and install packages over the original template

• Change the name of services in serverless.yml

service: serverless-aws-ocr-tesseract-demo

• Add the code of tesseract sample using the official documentations:

  • https://github.com/naptha/tesseract.js#tesseractjs

• Add more time out value and more memory to lambda

memorySize: 3008
timeout: 500

Usage

• Download this repository

# by ssh for example
git clone [email protected]:olcortesb/serverless-aws-ocr-tesseract-demo.git

• Deploy the lambda

sls deploy --aws-profile nombre-de-nuestro-profile --stage dev

• Call lambda function

serverless invoke --function hello --aws-profile name-you-profile

• Remove Stack

serverless remove --stage dev

Based on template

This repo is base on template: https://github.com/olcortesb/serverless-aws-nodejs-template