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# Use Python base image with CPU
FROM python:3.10-slim
# Environment setup
ENV PYTHONUNBUFFERED=1
ENV PYTHONDONTWRITEBYTECODE=1
ENV DEBIAN_FRONTEND=noninteractive
# Install system dependencies
RUN apt-get update && apt-get install -y \
git \
wget \
curl \
build-essential \
python3-dev \
libffi-dev \
libssl-dev \
libjpeg-dev \
libpng-dev \
libfreetype6-dev \
pkg-config \
&& rm -rf /var/lib/apt/lists/*
# Set working directory
WORKDIR /app
# Preinstall Python base tools
RUN pip install --no-cache-dir --upgrade pip setuptools wheel
# Install base ML + tokenizers + NLP tools
RUN pip install --no-cache-dir \
transformers>=4.33.2 \
sentencepiece \
sacremoses \
nltk \
pandas \
regex \
mock \
mosestokenizer \
bitsandbytes \
scipy \
accelerate \
datasets
# Download NLTK data
RUN python3 -c "import nltk; nltk.download('punkt')"
# Install FastAPI app dependencies
RUN pip install --no-cache-dir fastapi uvicorn pydantic psutil
# Clone IndicTransToolkit directly to app and install editable
RUN git clone https://github.com/VarunGumma/IndicTransToolkit.git /app/IndicTransToolkit && \
pip install -e /app/IndicTransToolkit
# rm -rf /tmp/IndicTransToolkit
# Copy app source
COPY . .
# Create non-root user
RUN useradd --create-home --shell /bin/bash app
RUN chown -R app:app /app
USER app
# Health route port
EXPOSE 7860
# Optional healthcheck (requires you to define GET /health)
HEALTHCHECK --interval=30s --timeout=30s --start-period=60s --retries=3 \
CMD curl -f http://localhost:7860/health || exit 1
# Run FastAPI
CMD ["python", "-m", "uvicorn", "app:app", "--host", "0.0.0.0", "--port", "7860"]
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