Dockerfile

# Dockerfile for Permit API - FastAPI Version
# Multi-stage build for optimized production image

# Build stage
FROM python:3.11-slim as builder

WORKDIR /app

# Install system dependencies
RUN apt-get update && apt-get install -y \
    build-essential \
    curl \
    && rm -rf /var/lib/apt/lists/*

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

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

# Production stage
FROM python:3.11-slim

WORKDIR /app

# Create non-root user for security
RUN useradd --create-home --shell /bin/bash appuser

# Install runtime dependencies
RUN apt-get update && apt-get install -y \
    curl \
    && rm -rf /var/lib/apt/lists/*

# Copy Python packages from builder stage
COPY --from=builder /usr/local/lib/python3.11/site-packages /usr/local/lib/python3.11/site-packages
COPY --from=builder /usr/local/bin /usr/local/bin

# Copy application code
COPY . .

# Create directories for data and logs
RUN mkdir -p data/eea/renewable-energy data/eea/pollution logs reference && \
    chown -R appuser:appuser /app

# Switch to non-root user
USER appuser

# Environment variables for FastAPI
ENV PYTHONPATH=/app
ENV PYTHONDONTWRITEBYTECODE=1
ENV PYTHONUNBUFFERED=1

# Expose port (Railway will assign dynamic port)
EXPOSE 8000

# Health check (use Railway's assigned port)
HEALTHCHECK --interval=30s --timeout=10s --start-period=5s --retries=3 \
    CMD curl -f http://localhost:${PORT:-8000}/health || exit 1

# Default command - FastAPI with uvicorn (use Railway's assigned port)
CMD uvicorn app.api_server:app --host 0.0.0.0 --port ${PORT:-8000} --workers 1