build: add Dockerfile for controller, build with bottlerocket-sdk

Build the binaries with the bottlerocket-sdk.

Makefile

@@ -1,8 +1,20 @@
-.PHONY: example-test-agent-container
+.PHONY: example-test-agent-container controller-container controller
 
-# Build a container image for daemon and tools.
+ARCH=$(shell uname -m)
+
+containers: controller-container
+
+# Build the container image for the example test-agent program
 example-test-agent-container:
 	docker build \
 		--network=host \
+		--build-arg ARCH="$(ARCH)" \
 		--tag 'example_test_agent' \
 		-f test-agent/examples/example_test_agent/Dockerfile .
+
+controller-container:
+	docker build \
+		--network=host \
+		--build-arg ARCH="$(ARCH)" \
+		--tag 'test-sys-controller' \
+		-f controller/Dockerfile .

controller/Dockerfile

@@ -0,0 +1,13 @@
+ARG ARCH
+FROM public.ecr.aws/bottlerocket/bottlerocket-sdk-${ARCH}:v0.22.0 as build
+ARG ARCH
+USER root
+WORKDIR /src
+ADD ./ /src/
+WORKDIR /src/controller
+RUN cargo install --locked --verbose --target ${ARCH}-bottlerocket-linux-musl --path . --root ./
+
+FROM scratch
+COPY --from=build /src/controller/bin/controller ./
+
+ENTRYPOINT ["./controller"]

test-agent/examples/example_test_agent/Dockerfile

@@ -1,7 +1,13 @@
-# TODO Use Bottlerocket SDK
-FROM rust:1.53.0
+ARG ARCH
+FROM public.ecr.aws/bottlerocket/bottlerocket-sdk-${ARCH}:v0.22.0 as build
+ARG ARCH
+USER root
 WORKDIR /src
 ADD ./ /src/
 WORKDIR /src/test-agent
-RUN cargo install --path . --example example_test_agent --root ./
-ENTRYPOINT ["/src/test-agent/bin/example_test_agent"]
+RUN cargo install --locked --verbose --target ${ARCH}-bottlerocket-linux-musl --path . --example example_test_agent --root ./
+
+FROM scratch
+COPY --from=build /src/test-agent/bin/example_test_agent ./
+
+ENTRYPOINT ["./example_test_agent"]