Executors and Images
Set up your build environment to run with the
macos executor and specify an image with only the tools and packages you need.
jobs: build: # name of your job docker: # executor type - image: buildpack-deps:trusty # primary container will run Ubuntu Trusty
jobs: build: machine: image: circleci/classic:201708-01 # VM will run Ubuntu 14.04 for this release date
jobs: build: macos: xcode: "9.0" steps: # Commands will execute in macOS container # with Xcode 9.0 installed - run: xcodebuild -version
Learn more about the pre-built CircleCI convenience images.