Dockerfile

# Use Python 3.11 slim image as base
FROM python:3.11-slim

# Set working directory
WORKDIR /app

# Set environment variables
ENV PYTHONDONTWRITEBYTECODE=1 \
    PYTHONUNBUFFERED=1 \
    FLASK_APP=launch.py \
    FLASK_ENV=production

# Install system dependencies
RUN apt-get update && apt-get install -y --no-install-recommends \
    build-essential \
    libpq-dev \
    && rm -rf /var/lib/apt/lists/*

# Create non-root user for security
RUN adduser --disabled-password --gecos '' appuser

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

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

# Copy the rest of the application
COPY . .

# Create vault directory
RUN mkdir -p /app/db_handler/vault && \
    chown -R appuser:appuser /app

# Switch to non-root user
USER appuser

# Create volume for vault
VOLUME ["/app/db_handler/vault"]

# Expose port
EXPOSE 5000

# Command to run the application
CMD ["python", "launch.py"]