Dockerfile

# Use an official Python runtime as a parent image
FROM python:3.9-slim

# Set the working directory in the container
WORKDIR /app

# Install system dependencies (Tesseract, wget, and their dependencies)
RUN apt-get update && apt-get install -y \
    tesseract-ocr \
    libtesseract-dev \
    libleptonica-dev \
    wget \
    && rm -rf /var/lib/apt/lists/*

# Download Tesseract language data
RUN mkdir -p /usr/share/tesseract-ocr/4.00/tessdata && \
    cd /usr/share/tesseract-ocr/4.00/tessdata && \
    wget https://github.com/tesseract-ocr/tessdata/raw/main/eng.traineddata && \
    wget https://github.com/tesseract-ocr/tessdata/raw/main/hin.traineddata && \
    wget https://github.com/tesseract-ocr/tessdata/raw/main/mar.traineddata

# Set TESSDATA_PREFIX environment variable
ENV TESSDATA_PREFIX=/usr/share/tesseract-ocr/4.00/tessdata

# Copy the current directory contents into the container at /app
COPY . /app

# Install Python dependencies
RUN pip install --no-cache-dir -r requirements.txt

# Install Gunicorn
RUN pip install gunicorn

# Expose port 8080 (Railway's default port)
EXPOSE 8080

# Run the Flask app using Gunicorn
CMD ["gunicorn", "--bind", "0.0.0.0:8080", "app:app"]