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# Multi-stage build for Go Sidecar
FROM golang:1.24-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 binaries
RUN CGO_ENABLED=0 GOOS=linux go build -a -installsuffix cgo -o demo-server ./cmd/demo-server
RUN CGO_ENABLED=0 GOOS=linux go build -a -installsuffix cgo -o sidecar ./cmd/sidecar
RUN CGO_ENABLED=0 GOOS=linux go build -a -installsuffix cgo -o test-rdma ./cmd/test-rdma
# Runtime stage
FROM alpine:3.18
# Install runtime dependencies
RUN apk --no-cache add ca-certificates curl jq
# Create app user
RUN addgroup -g 1001 appgroup && \
adduser -D -s /bin/sh -u 1001 -G appgroup appuser
# Set work directory
WORKDIR /app
# Copy binaries from builder stage
COPY --from=builder /app/demo-server .
COPY --from=builder /app/sidecar .
COPY --from=builder /app/test-rdma .
# Change ownership
RUN chown -R appuser:appgroup /app
USER appuser
# Expose the demo server port
EXPOSE 8081
# Health check
HEALTHCHECK --interval=10s --timeout=5s --start-period=15s --retries=3 \
CMD curl -f http://localhost:8081/health || exit 1
# Default command (demo server)
CMD ["./demo-server", "--port", "8081", "--enable-rdma", "--debug"]
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