Merge pull request #6 from micovery/main

feat: update docker build for multi-arch

.github/workflows/publish-docker-image.yaml

@@ -18,4 +18,4 @@ jobs:
       - name: docker build and push
         env:
           GIT_REPO: ${{ github.repository }}
-        run: ./build-docker.sh push
+        run: ./docker-build-push.sh

Dockerfile

@@ -14,36 +14,21 @@
 #  limitations under the License.
 #
 
-FROM golang:1.21 as builder
-
-ARG GIT_REPO
-ARG GIT_TAG
-ARG GIT_COMMIT
-ARG BUILD_TIMESTAMP
+FROM --platform=$BUILDPLATFORM golang:alpine as builder
+RUN apk update && apk add --no-cache git
 
 ADD ./ /src
 WORKDIR /src
-RUN ./build.sh
 
-FROM golang:1.21
+ARG TARGETOS
+ARG TARGETARCH
+ENV GOOS=$TARGETOS
+ENV GOARCH=$TARGETARCH
 
-COPY LICENSE /
+RUN sh build.sh
 
+FROM --platform=$TARGETPLATFORM alpine:3
+COPY LICENSE /
 COPY --from=builder /src/bin/* /usr/local/bin/
-
-ARG GIT_REPO
-ARG GIT_TAG
-ARG GIT_COMMIT
-ARG BUILD_TIMESTAMP
-
-LABEL org.opencontainers.image.url="https://github.com/${GIT_REPO}" \
-      org.opencontainers.image.documentation="https://github.com/${GIT_REPO}" \
-      org.opencontainers.image.source="https://github.com/${GIT_REPO}" \
-      org.opencontainers.image.version="${GIT_TAG}" \
-      org.opencontainers.image.revision="${GIT_COMMIT}" \
-      org.opencontainers.image.vendor='Google LLC' \
-      org.opencontainers.image.licenses='Apache-2.0' \
-      org.opencontainers.image.description='This is a tool for generating Apigee bundles and shared flows'
-
 ENTRYPOINT [ "apigee-go-gen" ]
 

build-docker.sh → docker-build-push.sh

@@ -31,7 +31,9 @@ sortSemver() {
 pickLatestRelease() {
   local first=""
   while read version; do
-    first="${version}"
+    if [[ -z "${first}" ]] ; then
+      first="${version}"
+    fi
     if [[ "${version}" != *"-"* ]] ; then
       echo "${version}"
       return
@@ -48,37 +50,38 @@ getLatestRelease() {
   echo "$(getReleasedTags | sortSemver | pickLatestRelease)"
 }
 
-
 REGISTRY="${REGISTRY:-ghcr.io}"
 GIT_REPO="${GIT_REPO:-apigee/apigee-go-gen}"
-BUILD_TIMESTAMP=$(date "+%s")
 GIT_COMMIT=$(git rev-parse --short HEAD)
 GIT_TAG=$(git describe --tags --abbrev=0)
-LATEST_TAG="$(getLatestRelease)"
 
-if [[ "${LATEST_TAG}" == "${GIT_TAG}" ]] ; then
+if [[ "$(getLatestRelease)" == "${GIT_TAG}" ]] ; then
   BUILD_TAG="latest"
 else
   BUILD_TAG="${GIT_TAG}"
 fi
 
-
-echo "LATEST_TAG=${LATEST_TAG}"
 echo "BUILD_TAG=${BUILD_TAG}"
 echo "GIT_TAG=${GIT_TAG}"
-echo "GIT_COMMIT=${GIT_COMMIT}"
 
-docker build -t "${REGISTRY}/${GIT_REPO}:${BUILD_TAG}" \
-       -t "${REGISTRY}/${GIT_REPO}:${GIT_TAG}" \
-       -t "${REGISTRY}/${GIT_REPO}:${GIT_COMMIT}" \
-       --build-arg "GIT_REPO=${GIT_REPO}" \
-       --build-arg="GIT_TAG=${GIT_TAG}" \
-       --build-arg="GIT_COMMIT=${GIT_COMMIT}" \
-       --build-arg="BUILD_TIMESTAMP=${BUILD_TIMESTAMP}" \
+docker buildx create --name builder --use
+
+OCI="index:org.opencontainers.image"
+docker buildx build  \
+       --platform=linux/amd64,linux/arm64  \
+       --tag "${REGISTRY}/${GIT_REPO}:${GIT_TAG}" \
+       --tag "${REGISTRY}/${GIT_REPO}:${BUILD_TAG}" \
+       --provenance false \
+       --output type=registry \
+       --annotation "${OCI}.url=https://github.com/${GIT_REPO}" \
+       --annotation "${OCI}.documentation=https://github.com/${GIT_REPO}" \
+       --annotation "${OCI}.source=https://github.com/${GIT_REPO}" \
+       --annotation "${OCI}.version=${GIT_TAG}" \
+       --annotation "${OCI}.revision=${GIT_COMMIT}" \
+       --annotation "${OCI}.vendor=Google LLC" \
+       --annotation "${OCI}.licenses=Apache-2.0" \
+       --annotation "${OCI}.description=This is a tool for generating Apigee bundles and shared flows" \
+       --push \
        .
 
-if [ "${1}" == "push" ] ; then
-  docker push "${REGISTRY}/${GIT_REPO}:${BUILD_TAG}"
-  docker push "${REGISTRY}/${GIT_REPO}:${GIT_TAG}"
-  docker push "${REGISTRY}/${GIT_REPO}:${GIT_COMMIT}"
-fi
+docker buildx rm builder