Dockerfile

# SDRF Validator API Dockerfile
FROM python:3.11-slim

# Set environment variables
ENV PYTHONDONTWRITEBYTECODE=1 \
    PYTHONUNBUFFERED=1 \
    PIP_NO_CACHE_DIR=1 \
    PIP_DISABLE_PIP_VERSION_CHECK=1

# Set working directory
WORKDIR /app

# Install system dependencies
RUN apt-get update && apt-get install -y --no-install-recommends \
    curl \
    git \
    && rm -rf /var/lib/apt/lists/*

# Create non-root user
RUN groupadd -r appuser && useradd -r -g appuser appuser

# Copy requirements first for better caching
COPY requirements.txt .

# Cache-bust the pip install layer so unpinned VCS deps (sdrf-pipelines main HEAD)
# are re-fetched on every build. The CI pipeline passes the commit SHA here.
ARG CACHEBUST=dev

# Install Python dependencies. --upgrade ensures any unpinned VCS dep tracks main HEAD.
RUN echo "cachebust=$CACHEBUST" && pip install --upgrade --no-cache-dir -r requirements.txt

# Copy application code
COPY app.py .
COPY static ./static

# Create directory for temp files
RUN mkdir -p /tmp/sdrf-uploads && chown -R appuser:appuser /tmp/sdrf-uploads

# Switch to non-root user
USER appuser

# Expose port
EXPOSE 5000

# Health check
HEALTHCHECK --interval=30s --timeout=10s --start-period=30s --retries=3 \
    CMD curl -f http://localhost:5000/health || exit 1

# Run the application
CMD ["uvicorn", "app:app", "--host", "0.0.0.0", "--port", "5000", "--workers", "2"]