QUA-498: support arm64/v8 architecture for Mac M1 chips

.circleci/config.yml

@@ -10,8 +10,15 @@ jobs:
  build_test:
  environment:
  CC_TEST_REPORTER_ID: e70e48da820d9d23eeb2f1fd8c25f8691be05af308dd0ffce8d1ca7e48a5f799
- machine: true
+ machine:
+ image: ubuntu-2004:202111-02
  steps:
+ - run: docker system info
+ - run: docker buildx ls
+ - run:
+ name: Install buildx emulators
+ command: docker run -it --rm --privileged tonistiigi/binfmt --install all
+ - run: docker buildx ls
  - checkout
  - run:
  name: Install test reporter

Dockerfile

@@ -1,5 +1,7 @@
 FROM alpine:3.11.6
 
+ARG TARGETARCH
+
 WORKDIR /usr/src/app
 COPY Gemfile /usr/src/app/
 COPY Gemfile.lock /usr/src/app/
@@ -23,8 +25,11 @@ RUN apk --no-cache upgrade && \
  apk del build-base && \
  rm -fr /usr/share/ri
 
-RUN wget -q -O /tmp/docker.tgz \
- https://download.docker.com/linux/static/stable/x86_64/docker-17.12.1-ce.tgz && \
+RUN ARCH="$TARGETARCH"; \
+ if [ "$ARCH" = "arm64" ]; then ARCH=aarch64; \
+ elif [ "$ARCH" = "amd64" ]; then ARCH=x86_64; fi; \
+ wget -q -O /tmp/docker.tgz \
+ https://download.docker.com/linux/static/stable/$ARCH/docker-17.12.1-ce.tgz && \
  tar -C /tmp -xzvf /tmp/docker.tgz && \
  mv /tmp/docker/docker /bin/docker && \
  chmod +x /bin/docker && \

Makefile

@@ -2,10 +2,12 @@
 
 PREFIX ?= /usr/local
 SKIP_ENGINES ?= 0
+BUILDX_PLATFORMS ?= linux/amd64,linux/arm64
 
 image:
  docker pull "$(shell grep FROM Dockerfile | sed 's/FROM //')"
- docker build -t codeclimate/codeclimate .
+ docker buildx create --name multi_arch_builder --use
+ docker buildx build --platform=linux/amd64,linux/arm64 -t codeclimate/codeclimate .
 
 test: RSPEC_ARGS ?= --tag ~slow
 test: image