Initial commit - production deployment

gateway/Dockerfile

@@ -0,0 +1,67 @@
+# =============================================================================
+# Gateway Dockerfile - Environment-Configurable Base Images
+# =============================================================================
+# Build arguments for registry configuration:
+#   - BASE_REGISTRY: Registry URL (default: docker.io for Docker Hub)
+#   - PYTHON_IMAGE: Python image name and tag (default: python:3.11-slim)
+#
+# Usage:
+#   Dev:  docker build --build-arg BASE_REGISTRY=localhost:5000 --build-arg PYTHON_IMAGE=python_3.11-slim .
+#   Prod: docker build --build-arg BASE_REGISTRY=ghcr.io/your-org --build-arg PYTHON_IMAGE=python:3.11-slim .
+# =============================================================================
+
+# Build arguments - can be overridden at build time
+ARG BASE_REGISTRY=docker.io
+ARG PYTHON_IMAGE=python:3.11-slim
+
+# Stage 1: Copy shared libraries
+FROM ${BASE_REGISTRY}/${PYTHON_IMAGE} AS shared
+WORKDIR /shared
+COPY shared/ /shared/
+
+# Stage 2: Main service
+ARG BASE_REGISTRY=docker.io
+ARG PYTHON_IMAGE=python:3.11-slim
+FROM ${BASE_REGISTRY}/${PYTHON_IMAGE}
+
+# Create non-root user for security
+RUN groupadd -r appgroup && useradd -r -g appgroup appuser
+
+WORKDIR /app
+
+# Install system dependencies
+RUN apt-get update && apt-get install -y \
+    gcc \
+    curl \
+    && rm -rf /var/lib/apt/lists/*
+
+# Copy requirements
+COPY gateway/requirements.txt .
+
+# Install Python dependencies
+RUN pip install --no-cache-dir -r requirements.txt
+
+# Copy shared libraries from the shared stage
+COPY --from=shared /shared /app/shared
+
+# Copy application code
+COPY gateway/ .
+
+# Change ownership to non-root user
+RUN chown -R appuser:appgroup /app
+
+# Add shared libraries to Python path
+ENV PYTHONPATH="/app:/app/shared:${PYTHONPATH:-}"
+
+# Switch to non-root user
+USER appuser
+
+# Expose port
+EXPOSE 8000
+
+# Health check
+HEALTHCHECK --interval=30s --timeout=10s --start-period=5s --retries=3 \
+    CMD curl -f http://localhost:8000/health || exit 1
+
+# Run application
+CMD ["uvicorn", "app.main:app", "--host", "0.0.0.0", "--port", "8000"]