Create Dockerfile

Dockerfile

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+# Use an official lightweight Python image.
+# 3.11 is stable and faster than previous versions.
+FROM python:3.11-slim
+
+# Set environment variables
+# PYTHONDONTWRITEBYTECODE: Prevents Python from writing pyc files to disc
+# PYTHONUNBUFFERED: Prevents Python from buffering stdout and stderr
+ENV PYTHONDONTWRITEBYTECODE=1
+ENV PYTHONUNBUFFERED=1
+
+# Set the working directory in the container
+WORKDIR /app
+
+# Copy the requirements file first to leverage Docker cache
+COPY requirements.txt .
+
+# Install dependencies
+RUN pip install --no-cache-dir -r requirements.txt
+
+# Copy the rest of the application code
+COPY . .
+
+# Expose the port Streamlit runs on
+EXPOSE 7860
+
+# Healthcheck to ensure the container is responsive
+HEALTHCHECK CMD curl --fail http://localhost:7860/_stcore/health || exit 1
+
+# Command to run the application
+# server.address=0.0.0.0 is crucial for Docker networking
+CMD ["streamlit", "run", "app.py", "--server.address=0.0.0.0", "--server.enableCORS=false", "--server.enableXsrfProtection=false"]