# Multi-stage build for Test Client
FROM golang:1.23-alpine AS builder

# Install build dependencies
RUN apk add --no-cache git ca-certificates tzdata

# Set work directory
WORKDIR /app

# Copy go mod files
COPY go.mod go.sum ./

# Download dependencies
RUN go mod download

# Copy source code
COPY cmd/ ./cmd/
COPY pkg/ ./pkg/

# Build the test binaries
RUN CGO_ENABLED=0 GOOS=linux go build -a -installsuffix cgo -o test-rdma ./cmd/test-rdma
RUN CGO_ENABLED=0 GOOS=linux go build -a -installsuffix cgo -o demo-server ./cmd/demo-server

# Runtime stage
FROM alpine:3.18

# Install runtime dependencies and testing tools
RUN apk --no-cache add \
    ca-certificates \
    curl \
    jq \
    bash \
    wget \
    netcat-openbsd \
    && rm -rf /var/cache/apk/*

# Create app user
RUN addgroup -g 1001 appgroup && \
    adduser -D -s /bin/bash -u 1001 -G appgroup appuser

# Set work directory
WORKDIR /app

# Copy binaries from builder stage
COPY --from=builder /app/test-rdma .
COPY --from=builder /app/demo-server .

# Copy test scripts
COPY tests/ ./tests/
RUN chmod +x ./tests/*.sh

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

# Switch to app user
USER appuser

# Default command
CMD ["/bin/bash"]