FROM golang:1.22-alpine AS builder

WORKDIR /app

RUN apk add --no-cache \

git \

clang \

llvm \

libbpf-dev \

linux-headers \

make

COPY go.mod go.sum ./

RUN go mod download

COPY cmd cmd

COPY internal internal

COPY web web

RUN ARCH=$(apk --print-arch) && \

if [ "$ARCH" = "x86_64" ]; then \

BPF_ARCH=x86; \

elif [ "$ARCH" = "aarch64" ]; then \

BPF_ARCH=arm64; \

else \

echo "Unsupported arch: $ARCH" && exit 1; \

fi && \

clang -O2 -g -Wall -target bpf \

-I/usr/include \

-D__TARGET_ARCH_${BPF_ARCH} \

-c internal/ebpf/bpf/tracer.bpf.c \

-o internal/ebpf/tracer_bpfel.o

RUN CGO_ENABLED=0 \

go build -a -installsuffix cgo \

-ldflags '-extldflags "-static" -s -w' \

-tags 'netgo osusergo' \

-o netstatd ./cmd/server

FROM scratch

WORKDIR /

COPY --from=builder /app/netstatd .

COPY --from=builder /app/internal/ebpf/tracer_bpfel.o ./internal/ebpf/

COPY --from=builder /app/web ./web

COPY --from=builder /etc/services /etc/services

COPY services /services

EXPOSE 5280 6280 5253 6253

ENTRYPOINT ["/netstatd"]