Refactor into RenderAgent and ApplyAgent

clitools/docker/ctl-agent.Dockerfile

@@ -1,16 +1,41 @@
+ARG BASE_IMAGE=localhost/monok8s/ctl-build-base:dev
+
+FROM --platform=$BUILDPLATFORM ${BASE_IMAGE} AS build
+
+ARG VERSION=dev
+ARG TARGETOS
+ARG TARGETARCH
+
+WORKDIR /src
+
+COPY . .
+
+RUN test -f pkg/buildinfo/buildinfo_gen.go
+
+RUN mkdir -p /out && \
+    GOOS=${TARGETOS} GOARCH=${TARGETARCH} CGO_ENABLED=0 \
+    go build -trimpath -ldflags="-s -w" \
+      -o /out/ctl ./cmd/ctl
+
+
 FROM alpine:latest AS cacerts
+
+
 FROM scratch
 
 ARG VERSION
+ARG TARGETOS
+ARG TARGETARCH
 ENV VERSION=${VERSION}
 
 WORKDIR /
 
-COPY bin/ctl-linux-aarch64-${VERSION} ./ctl
-COPY out/fw_printenv ./
-COPY out/fw_setenv ./
+COPY --from=build /out/ctl /ctl
 COPY --from=cacerts /etc/ssl/certs/ca-certificates.crt /etc/ssl/certs/
 
+COPY out/uboot-tools/${TARGETOS}_${TARGETARCH}/fw_printenv /fw_printenv
+COPY out/uboot-tools/${TARGETOS}_${TARGETARCH}/fw_setenv /fw_setenv
+
 ENV PATH=/
 
 ENTRYPOINT ["/ctl"]