Add buildx Dockerfile

.gitlab-ci.yml

@@ -51,6 +51,17 @@ build-all:
     - docker tag ${DOCKER_NS}:${DOCKER_TAG} ${DOCKER_NS}:${DOCKER_TAG_NEW}
     - docker push ${DOCKER_NS}:${DOCKER_TAG_NEW}
 
+buildx-docker-build:
+  extends: .docker-build
+  variables:
+    DOCKER_NS: ${CI_REGISTRY}/digiresilience/link/link-stack/buildx
+    DOCKERFILE_PATH: ./docker/buildx/Dockerfile
+
+buildx-docker-release:
+  extends: .docker-release
+  variables:
+    DOCKER_NS: ${CI_REGISTRY}/digiresilience/link/link-stack/buildx
+
 link-docker-build:
   extends: .docker-build
   variables:

docker/buildx/Dockerfile

@@ -0,0 +1,11 @@
+FROM docker:git
+
+RUN set -ex; \
+  apk add --no-cache --update \
+  make \
+  curl \
+  bash \
+  jq  ;
+COPY --from=docker/buildx-bin /buildx /usr/libexec/docker/cli-plugins/docker-buildx
+RUN docker buildx install
+RUN docker buildx version