feat(images): initial pass at new Dockerfiles

rootfs/expandybird/Dockerfile

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+FROM alpine:3.3
+
+COPY . /
+
+# install common packages
+RUN apk add --update-cache curl python
+
+WORKDIR /opt
+
+# install pip
+RUN curl -sSL https://raw.githubusercontent.com/pypa/pip/7.1.2/contrib/get-pip.py | python -
+
+# install dependencies
+RUN pip install --disable-pip-version-check --no-cache-dir -r /opt/expansion/requirements.txt
+
+# cleanup.
+RUN apk del --purge \
+  curl \
+  python \
+  && rm -rf /var/cache/apk/*
+
+# define execution environment
+CMD ["/bin/expandybird", "-expansion_binary", "/opt/expansion/expansion.py"]
+EXPOSE 8000

rootfs/expandybird/Makefile

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+DOCKER_REGISTRY := gcr.io
+PREFIX := $(DOCKER_REGISTRY)/$(PROJECT)
+IMAGE ?= expandybird
+TAG ?= git-$(shell git rev-parse --short HEAD)
+FULL_IMAGE := $(PREFIX)/$(IMAGE)
+
+.PHONY: container
+container: binary expansion
+	docker build -t $(FULL_IMAGE):latest -f Dockerfile .
+	docker tag $(FULL_IMAGE):latest $(FULL_IMAGE):$(TAG)
+
+.PHONY: push
+push: container
+ifeq ($(DOCKER_REGISTRY),gcr.io)
+	gcloud docker push $(PREFIX)/$(IMAGE):$(TAG)
+else
+	docker push $(PREFIX)/$(IMAGE):$(TAG)
+endif
+
+expansion:
+	cp -R ../../expansion ./opt
+
+binary:
+	cp ../../bin/linux-amd64/expandybird ./bin

rootfs/manager/Dockerfile

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+FROM alpine:3.3
+COPY . /
+EXPOSE 8080
+CMD ["/bin/manager", "--kubectl=/bin/kubectl"]

rootfs/manager/Makefile

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+DOCKER_REGISTRY := gcr.io
+PREFIX := $(DOCKER_REGISTRY)/$(PROJECT)
+IMAGE ?= manager
+TAG ?= git-$(shell git rev-parse --short HEAD)
+FULL_IMAGE := $(PREFIX)/$(IMAGE)
+
+KUBE_VERSION ?= v1.1.7
+
+.PHONY: container
+container: binary kubectl
+	docker build -t $(FULL_IMAGE):latest -f Dockerfile .
+	docker tag $(FULL_IMAGE):latest $(FULL_IMAGE):$(TAG)
+
+.PHONY: push
+push: container
+ifeq ($(DOCKER_REGISTRY),gcr.io)
+	gcloud docker push $(PREFIX)/$(IMAGE):$(TAG)
+else
+	docker push $(PREFIX)/$(IMAGE):$(TAG)
+endif
+
+binary:
+	cp ../../bin/linux-amd64/manager ./bin
+
+kubectl:
+	curl -fsSL -o bin/kubectl https://storage.googleapis.com/kubernetes-release/release/${KUBE_VERSION}/bin/linux/amd64/kubectl
+	chmod +x bin/kubectl

rootfs/resourcifer/Dockerfile

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+FROM alpine:3.3
+COPY . /
+EXPOSE 8080
+CMD ["/bin/resourcifier", "--kubectl=/bin/kubectl"]

rootfs/resourcifer/Makefile

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+DOCKER_REGISTRY := gcr.io
+PREFIX := $(DOCKER_REGISTRY)/$(PROJECT)
+IMAGE ?= resourcifier
+TAG ?= git-$(shell git rev-parse --short HEAD)
+FULL_IMAGE := $(PREFIX)/$(IMAGE)
+
+KUBE_VERSION ?= v1.1.7
+
+.PHONY: container
+container: binary kubectl
+	docker build -t $(FULL_IMAGE):latest -f Dockerfile .
+	docker tag $(FULL_IMAGE):latest $(FULL_IMAGE):$(TAG)
+
+.PHONY: push
+push: container
+ifeq ($(DOCKER_REGISTRY),gcr.io)
+	gcloud docker push $(PREFIX)/$(IMAGE):$(TAG)
+else
+	docker push $(PREFIX)/$(IMAGE):$(TAG)
+endif
+
+binary:
+	cp ../../bin/linux-amd64/resourcifier ./bin
+
+kubectl:
+	curl -fsSL -o bin/kubectl https://storage.googleapis.com/kubernetes-release/release/${KUBE_VERSION}/bin/linux/amd64/kubectl
+	chmod +x bin/kubectl