♻️ use golang:xxx-buster image as base

Signed-off-by: Rintaro Okamura <[email protected]>

Makefile.d/docker.mk

@@ -39,7 +39,8 @@ docker/build/base:
 	$(DOCKER) build \
 	    $(DOCKER_OPTS) \
 	    -f dockers/base/Dockerfile \
-	    -t $(REPO)/$(BASE_IMAGE) .
+	    -t $(REPO)/$(BASE_IMAGE) . \
+	    --build-arg GO_VERSION=$(GO_VERSION)
 
 .PHONY: docker/name/agent-ngt
 docker/name/agent-ngt:
@@ -52,6 +53,7 @@ docker/build/agent-ngt: docker/build/base
 	    $(DOCKER_OPTS) \
 	    -f dockers/agent/core/ngt/Dockerfile \
 	    -t $(REPO)/$(AGENT_IMAGE):$(TAG) . \
+	    --build-arg BASE_TAG=$(TAG) \
 	    --build-arg DISTROLESS_IMAGE=$(DISTROLESS_IMAGE) \
 	    --build-arg DISTROLESS_IMAGE_TAG=$(DISTROLESS_IMAGE_TAG) \
 	    --build-arg UPX_OPTIONS=$(UPX_OPTIONS)

dockers/agent/core/ngt/Dockerfile

@@ -14,11 +14,12 @@
 # limitations under the License.
 #
 
+ARG BASE_TAG=latest
 ARG DISTROLESS_IMAGE=gcr.io/distroless/static
 ARG DISTROLESS_IMAGE_TAG=nonroot
 ARG UPX_OPTIONS=-9
 
-FROM vdaas/vald-base:latest AS builder
+FROM vdaas/vald-base:${BASE_TAG} AS builder
 ARG UPX_OPTIONS
 
 ENV ORG vdaas

dockers/base/Dockerfile

@@ -13,6 +13,9 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
+ARG GO_VERSION
+
+FROM golang:${GO_VERSION}-buster AS golang
 
 FROM ubuntu:devel AS builder
 
@@ -36,13 +39,8 @@ RUN apt-get update && apt-get install -y --no-install-recommends \
     && apt-get clean \
     && rm -rf /var/lib/apt/lists/*
 
-WORKDIR /opt
-COPY versions/GO_VERSION .
-RUN export GO_VERSION="$(cat GO_VERSION)" \
-    && curl -sSL -O "https://dl.google.com/go/go${GO_VERSION}.linux-amd64.tar.gz" \
-    && tar zxf "go${GO_VERSION}.linux-amd64.tar.gz" \
-    && rm "go${GO_VERSION}.linux-amd64.tar.gz" \
-    && ln -s /opt/go/bin/go /usr/bin/ \
+COPY --from=golang /usr/local/go /opt/go
+RUN ln -s /opt/go/bin/go /usr/bin/ \
     && mkdir $GOPATH
 
 WORKDIR ${GOPATH}/src/github.com/vdaas/vald