Introduce arch-dependant distroless images

Dockerfile

@@ -30,15 +30,23 @@ RUN apt-get update \
   && apt-get clean \
   && rm -rf /var/lib/apt/lists/*
 
-FROM gcr.io/distroless/static-debian12
+FROM gcr.io/distroless/base-debian12 as distroless-base
+
+FROM distroless-base AS distroless-amd64
+ENV LIB_DIR_PREFIX x86_64
+
+FROM distroless-base AS distroless-arm64
+ENV LIB_DIR_PREFIX aarch64
+
+FROM distroless-$TARGETARCH AS output-image
 
 WORKDIR /
 
 COPY --from=builder /workspace/fedhcp .
 COPY --from=installer /sbin/setcap /sbin/setcap
-COPY --from=installer /lib/x86_64-linux-gnu/libcap.so.2 /lib/x86_64-linux-gnu/libcap.so.2
-COPY --from=installer /lib/x86_64-linux-gnu/libc.so.6 /lib/x86_64-linux-gnu/libc.so.6
-COPY --from=installer /lib64/ld-linux-x86-64.so.2 /lib64/ld-linux-x86-64.so.2
+COPY --from=installer /lib/${LIB_DIR_PREFIX}-linux-gnu/libcap.so.2 /lib/${LIB_DIR_PREFIX}-linux-gnu/libcap.so.2
+COPY --from=installer /lib/${LIB_DIR_PREFIX}-linux-gnu/libc.so.6 /lib/${LIB_DIR_PREFIX}-linux-gnu/libc.so.6
+COPY --from=installer /lib/${LIB_DIR_PREFIX}-linux-gnu/ld-linux-x86-64.so.2 /lib/${LIB_DIR_PREFIX}-linux-gnu/ld-linux-x86-64.so.2
 COPY --from=installer /bin/sh /bin/sh
 
 RUN /sbin/setcap 'cap_net_bind_service,cap_net_raw=+ep' /fedhcp