app.py

#/usr/bin/python
from fastapi import FastAPI, File, UploadFile

app = FastAPI()


@app.post("/get_ocr")
async def image(image: UploadFile = File(...), json : str = "{'name':[x,y,w,h]}"):
    print(image.file, json)
    
    # print('../'+os.path.isdir(os.getcwd()+"images"),"*************")
    try:
        os.mkdir("images")
        print(os.getcwd())
    except Exception as e:
        print(e) 
    file_name = os.getcwd()+"/images/"+image.filename.replace(" ", "-")
    with open(file_name,'wb+') as f:
        f.write(image.file.read())
        f.close()
   file = jsonable_encoder({"imagePath":file_name})
   new_image = await add_image(file)
   return {"filename": new_image}

Dockerfile

FROM python:3.6.5-stretch
MAINTAINER Sandeep Srinivasa "sss@lambdacurry.com"
ENV DEBIAN_FRONTEND noninteractive


RUN pip install Cython
RUN pip install Pillow
RUN apt-get update && apt-get install -y \
    autoconf automake libtool \
    rsync \
    libpng-dev \
    libjpeg-dev \
    libtiff-dev \
    zlib1g-dev tesseract-ocr  libtesseract-dev libleptonica-dev libcairo2-dev


RUN wget https://github.com/tesseract-ocr/tessdata/archive/4.00.tar.gz -O /tmp/tessdata.tgz 
RUN tar -xvf /tmp/tessdata.tgz --directory /tmp
WORKDIR /tmp
RUN  mkdir -p /usr/local/share/tessdata/ &&  rsync -a tessdata-4.00/ /usr/local/share/tessdata
RUN mkdir /tmp/tesserocr

ADD setup.py README.rst tesseract.pxd tesserocr_experiment.pyx tesserocr.pyx tests/ tox.ini /tmp/tesserocr/

WORKDIR /tmp/tesserocr
RUN python setup.py bdist_wheel
RUN python setup.py install


RUN pip install numpy Pillow opencv-python

RUN pip install fastapi

COPY ./app.py /app

CMD ["uvicorn", "app.main:app", "--host", "0.0.0.0", "--port", "80"]