Dockerfile

# Use an appropriate base image
FROM python:3.9-slim AS builder

# Set the working directory
WORKDIR /app

# Install build tools
RUN apt-get update && apt-get install -y gcc python3-dev && apt-get clean && rm -rf /var/lib/apt/lists/*

# Copy only requirements to leverage Docker cache
COPY requirements.txt .

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

# Final stage
FROM python:3.9-slim

# Set the working directory
WORKDIR /app

# Copy installed dependencies from builder
COPY --from=builder /usr/local/lib/python3.9/site-packages /usr/local/lib/python3.9/site-packages
COPY --from=builder /usr/local/bin /usr/local/bin

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

# Make port 8501 available to the world outside this container
EXPOSE 8501

# Run the Streamlit application
CMD ["streamlit", "run", "main.py", "--server.port=8501", "--server.address=0.0.0.0"]