# Simple runtime-only Dockerfile for pre-built binaries
# Build binary first: cargo build --release -p api_gateway
# Then: docker build -f services/api_gateway/Dockerfile.simple -t foxhunt-api .

FROM debian:bookworm-slim

# Install runtime dependencies
RUN apt-get update && apt-get install -y \
    ca-certificates \
    libssl3 \
    curl \
    && rm -rf /var/lib/apt/lists/*

# Download and install grpc_health_probe for health checks
RUN curl -sSL https://github.com/grpc-ecosystem/grpc-health-probe/releases/download/v0.4.25/grpc_health_probe-linux-amd64 \
    -o /usr/local/bin/grpc_health_probe && \
    chmod +x /usr/local/bin/grpc_health_probe

# Create non-root user
RUN groupadd --system --gid 1000 foxhunt && \
    useradd --system --uid 1000 --gid foxhunt --shell /bin/bash foxhunt

# Create application directories
RUN mkdir -p /app/config /app/logs && \
    chown -R foxhunt:foxhunt /app

# Set working directory
WORKDIR /app

# Copy pre-built binary from host
COPY target/release/api_gateway ./api_gateway
RUN chmod +x ./api_gateway && chown foxhunt:foxhunt ./api_gateway

# Switch to non-root user
USER foxhunt

# Expose gRPC and metrics ports
EXPOSE 50050 9091

# Health check using grpc_health_probe
HEALTHCHECK --interval=10s --timeout=5s --start-period=30s --retries=3 \
    CMD /usr/local/bin/grpc_health_probe -addr=localhost:50050 || exit 1

# Run the application
ENTRYPOINT ["./api_gateway"]