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# Use an official Python runtime as a parent image
FROM python:3.10-slim
# Set the working directory in the container
WORKDIR /app
# Copy the requirements file into the container at /app
COPY requirements.txt .
# Install any needed packages specified in requirements.txt
# Use --no-cache-dir to reduce layer size and --compile to precompile .py to .pyc
RUN pip install --no-cache-dir --compile -r requirements.txt
# Copy the rest of the application code into the container at /app
COPY . .
# Make port 8501 available to the world outside this container (Streamlit default)
EXPOSE 8501
# Define environment variable for Streamlit
ENV STREAMLIT_SERVER_PORT 8501
ENV STREAMLIT_SERVER_HEADLESS true
ENV STREAMLIT_BROWSER_GATHER_USAGE_STATS false
# Healthcheck (optional but good for orchestration)
# HEALTHCHECK CMD curl --fail http://localhost:8501/_stcore/health
# Run app.py when the container launches
# Use `streamlit run app.py` which is the standard way to run Streamlit apps
# Add --server.address=0.0.0.0 to make it accessible from outside the container
CMD ["streamlit", "run", "app.py", "--server.address=0.0.0.0"] |