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# Use official Python runtime as base image
FROM python:3.9-slim
# Set working directory
WORKDIR /app
# Set environment variables
ENV PYTHONUNBUFFERED=1
ENV PYTHONDONTWRITEBYTECODE=1
ENV STREAMLIT_SERVER_HEADLESS=true
ENV STREAMLIT_SERVER_PORT=7860
ENV STREAMLIT_SERVER_ADDRESS=0.0.0.0
ENV STREAMLIT_BROWSER_GATHER_USAGE_STATS=false
# Install system dependencies
RUN apt-get update && apt-get install -y \
build-essential \
curl \
software-properties-common \
git \
&& rm -rf /var/lib/apt/lists/*
# Copy requirements first for better caching
COPY requirements.txt .
# Install Python dependencies
RUN pip install --no-cache-dir --upgrade pip && \
pip install --no-cache-dir -r requirements.txt
# Download NLTK data
RUN python -c "import nltk; nltk.download('vader_lexicon'); nltk.download('punkt'); nltk.download('stopwords')"
# Copy application code
COPY . .
# Create necessary directories
RUN mkdir -p logs cache model_cache temp
# Expose port
EXPOSE 7860
# Health check
HEALTHCHECK CMD curl --fail http://localhost:7860/_stcore/health
# Run application
CMD ["streamlit", "run", "app.py", "--server.port=7860", "--server.address=0.0.0.0"] |