Prerequisites: Homebrew

Install Concourse

    curl -Lo concourse https://github.com/concourse/concourse/releases/download/v2.2.1/concourse_darwin_amd64 && chmod +x concourse && sudo mv concourse /usr/local/bin

Install Postgres

    brew cask install postgres

Add `/Applications/Postgres.app/Contents/Versions/latest/bin` to your $PATH