Add Dockerfile for eupf on arm64/aarch64

Dockerfile.arm64

@@ -0,0 +1,39 @@
+FROM golang:1.22.7-bullseye AS builder
+
+WORKDIR /app
+
+# Install dependencies for ebpf compilation
+RUN apt update \
+    && apt install --no-install-recommends -y clang llvm gcc libbpf-dev \
+    && rm -rf /var/lib/apt/lists/*
+
+RUN apt-get update && apt-get install -y linux-headers-arm64
+
+RUN ln -s /usr/include/aarch64-linux-gnu/asm/ /usr/include/asm \
+    && ln -s /usr/include/aarch64-linux-gnu/sys/ /usr/include/sys \
+    && ln -s /usr/include/aarch64-linux-gnu/bits/ /usr/include/bits \
+    && ln -s /usr/include/aarch64-linux-gnu/gnu/ /usr/include/gnu
+
+RUN go install github.com/swaggo/swag/cmd/swag@v1.8.12
+
+COPY go.mod go.sum ./
+COPY cmd cmd
+
+ARG BPF_ENABLE_LOG "0"
+ARG BPF_ENABLE_ROUTE_CACHE "0"
+RUN BPF_CFLAGS="" \
+    && if [ "$BPF_ENABLE_LOG" = "1" ]; then BPF_CFLAGS="$BPF_CFLAGS -DENABLE_LOG"; fi \
+    && if [ "$BPF_ENABLE_ROUTE_CACHE" = "1" ]; then BPF_CFLAGS="$BPF_CFLAGS -DENABLE_ROUTE_CACHE"; fi \
+    && BPF_CFLAGS=$BPF_CFLAGS go generate -v ./cmd/...
+RUN CGO_ENABLED=0 go build -v -o bin/eupf ./cmd/
+
+FROM alpine:3.18.5 AS runtime
+LABEL org.opencontainers.image.source="https://github.com/edgecomllc/eupf"
+
+COPY --from=builder /app/bin/ /app/bin/
+COPY --from=builder /app/cmd/docs/swagger.* /app/
+COPY --from=builder /app/cmd/ebpf/zeroentrypoint_bpf.o /app/
+COPY ./entrypoint.sh /app/bin/entrypoint.sh
+
+# CMD is overridden if arguments are passed.
+ENTRYPOINT [ "sh", "/app/bin/entrypoint.sh" ]