# Simplified Dockerfile for Rust RDMA Engine (using pre-built binary)
FROM debian:bookworm-slim

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

# Create app user
RUN useradd -m -u 1001 appuser

# Set work directory
WORKDIR /app

# Copy pre-built binary from local build
COPY ./rdma-engine/target/release/rdma-engine-server .

# Change ownership
RUN chown -R appuser:appuser /app
USER appuser

# Set default socket path (can be overridden)
ENV RDMA_SOCKET_PATH=/tmp/rdma-engine.sock

# Create socket directory
RUN mkdir -p /tmp

# Health check - verify both process and socket using environment variable
HEALTHCHECK --interval=5s --timeout=3s --start-period=10s --retries=3 \
    CMD pgrep rdma-engine-server >/dev/null && test -S "$RDMA_SOCKET_PATH"

# Default command using environment variable
CMD sh -c "./rdma-engine-server --debug --ipc-socket \"$RDMA_SOCKET_PATH\""