initial commit

Dockerfile

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+FROM python:3.11-slim
+
+# Set a working directory
+WORKDIR /app
+
+# Prevent Python from writing .pyc files and enable unbuffered stdout/stderr
+ENV PYTHONDONTWRITEBYTECODE=1 \
+    PYTHONUNBUFFERED=1 \
+    APP_PORT=8081 \
+    GUNICORN_CMD_ARGS="--bind=0.0.0.0:${APP_PORT} --workers=4 --threads=2"
+
+# Install system deps
+RUN apt-get update && apt-get install -y --no-install-recommends \
+    build-essential \
+    gcc \
+    libffi-dev \
+    && rm -rf /var/lib/apt/lists/*
+
+# Create a non-root user
+RUN useradd --create-home --shell /bin/bash appuser
+
+# Copy requirements and install
+COPY requirements.txt /app/
+RUN pip install --no-cache-dir -r requirements.txt
+
+# Copy application
+COPY . /app
+RUN chown -R appuser:appuser /app
+
+USER appuser
+
+# expose the default APP_PORT (can be overridden at runtime)
+EXPOSE 8081
+
+# Default command: run the app with gunicorn
+CMD ["gunicorn", "--chdir", "./", "app:app"]