Dockerfile: more static compile to Go binaries

Signed-off-by: Koichi Shiraishi <[email protected]>

Author: zchee

Dockerfile

@@ -47,7 +47,9 @@ ENV \
 RUN set -eux && \
 	apk add --no-cache \
 		build-base \
-		git
+		gcc \
+		git \
+		musl-dev
 ARG PROTOC_GEN_GO_VERSION
 RUN --mount=type=cache,target=/go/pkg/mod --mount=type=cache,target=/root/.cache \
 	set -eux && \

cloudbuild.yaml

@@ -1,5 +1,5 @@
 steps:
-  - id: docker
+  - id: docker_buildx
     name: docker:20.10
     args:
       - build
@@ -14,33 +14,47 @@ steps:
     waitFor:
       - "-"
 
+  - id: buildx_create
+    name: docker-buildx:cloudbuild
+    args:
+      - buildx
+      - create
+      - --bootstrap
+      - --name=cloudbuild
+      - --driver=docker-container
+      - --driver-opt=image=moby/buildkit:nightly
+      - --driver-opt=network=cloudbuild
+      - --buildkitd-flags='--debug'
+      - --use
+    waitFor:
+      - "docker_buildx"
+
   - id: protoc-builder
     name: docker-buildx:cloudbuild
     args:
       - buildx
       - build
       - --target=protoc-builder
-      - --build-arg=BUILDKIT_INLINE_CACHE=1
       - --build-arg=PROTOC_VERSION=${_PROTOC_VERSION}
       - --build-arg=GOLANG_VERSION=${_GOLANG_VERSION}
       - --build-arg=ALPINE_VERSION=${_ALPINE_VERSION}
-      - --output=type=image,name=gcr.io/$PROJECT_ID/protoc/protoc-builder:cloudbuild_cache,push=true
       - --cache-from=type=registry,ref=gcr.io/$PROJECT_ID/protoc/protoc-builder:cloudbuild_cache
+      - --output=type=image,name=gcr.io/$PROJECT_ID/protoc/protoc-builder:cloudbuild_cache,push=true
       - .
     waitFor:
-      - "docker"
+      - "buildx_create"
 
   - id: protoc
     name: docker-buildx:cloudbuild
     args:
       - buildx
       - build
       - --target=protoc
-      - --build-arg=BUILDKIT_INLINE_CACHE=1
       - --build-arg=PROTOC_VERSION=${_PROTOC_VERSION}
       - --build-arg=GOLANG_VERSION=${_GOLANG_VERSION}
       - --build-arg=ALPINE_VERSION=${_ALPINE_VERSION}
-      - --output=type=image,name=gcr.io/$PROJECT_ID/protoc/protoc:pr${_PR_NUMBER},push=false
+      - --tag=gcr.io/$PROJECT_ID/protoc/protoc:pr${_PR_NUMBER}
+      - --load
       - .
     waitFor:
       - "protoc-builder"
@@ -51,11 +65,11 @@ steps:
       - buildx
       - build
       - --target=protoc-debug
-      - --build-arg=BUILDKIT_INLINE_CACHE=1
       - --build-arg=PROTOC_VERSION=${_PROTOC_VERSION}
       - --build-arg=GOLANG_VERSION=${_GOLANG_VERSION}
       - --build-arg=ALPINE_VERSION=${_ALPINE_VERSION}
-      - --output=type=image,name=gcr.io/$PROJECT_ID/protoc/protoc:pr${_PR_NUMBER}-debug,push=false
+      - --tag=gcr.io/$PROJECT_ID/protoc/protoc:pr${_PR_NUMBER}-debug
+      - --load
       - .
     waitFor:
       - "protoc-builder"
@@ -66,14 +80,13 @@ steps:
       - buildx
       - build
       - --target=golang-builder
-      - --build-arg=BUILDKIT_INLINE_CACHE=1
       - --build-arg=PROTOC_VERSION=${_PROTOC_VERSION}
       - --build-arg=GOLANG_VERSION=${_GOLANG_VERSION}
       - --build-arg=ALPINE_VERSION=${_ALPINE_VERSION}
       - --build-arg=PROTOC_GEN_GO_VERSION=${_PROTOC_GEN_GO_VERSION}
       - --build-arg=PROTOC_GEN_GO_GRPC_VERSION=${_PROTOC_GEN_GO_GRPC_VERSION}
-      - --output=type=image,name=gcr.io/$PROJECT_ID/protoc/golang-builder:cloudbuild_cache,push=true
       - --cache-from=type=registry,ref=gcr.io/$PROJECT_ID/protoc/golang-builder:cloudbuild_cache
+      - --output=type=image,name=gcr.io/$PROJECT_ID/protoc/golang-builder:cloudbuild_cache,push=true
       - .
     waitFor:
       - "protoc"
@@ -85,13 +98,13 @@ steps:
       - buildx
       - build
       - --target=golang
-      - --build-arg=BUILDKIT_INLINE_CACHE=1
       - --build-arg=PROTOC_VERSION=${_PROTOC_VERSION}
       - --build-arg=GOLANG_VERSION=${_GOLANG_VERSION}
       - --build-arg=ALPINE_VERSION=${_ALPINE_VERSION}
       - --build-arg=PROTOC_GEN_GO_VERSION=${_PROTOC_GEN_GO_VERSION}
       - --build-arg=PROTOC_GEN_GO_GRPC_VERSION=${_PROTOC_GEN_GO_GRPC_VERSION}
       - --tag=gcr.io/$PROJECT_ID/protoc/golang:pr${_PR_NUMBER}
+      - --load
       - .
     waitFor:
       - "golang-builder"
@@ -102,13 +115,13 @@ steps:
       - buildx
       - build
       - --target=golang-debug
-      - --build-arg=BUILDKIT_INLINE_CACHE=1
       - --build-arg=PROTOC_VERSION=${_PROTOC_VERSION}
       - --build-arg=GOLANG_VERSION=${_GOLANG_VERSION}
       - --build-arg=ALPINE_VERSION=${_ALPINE_VERSION}
       - --build-arg=PROTOC_GEN_GO_VERSION=${_PROTOC_GEN_GO_VERSION}
       - --build-arg=PROTOC_GEN_GO_GRPC_VERSION=${_PROTOC_GEN_GO_GRPC_VERSION}
       - --tag=gcr.io/$PROJECT_ID/protoc/golang:pr${_PR_NUMBER}-debug
+      - --load
       - .
     waitFor:
       - "golang-builder"