こんな感じで書くと良い。
workflows:
version: 2
build-and-deploy:
jobs:
- build:
filters:
branches:
only: /.*/
tags:
only: /.*/
- deploy-qa:
requires:
- build
filters:
branches:
only: master
- deploy-prod:
requires:
- build
filters:
branches:
ignore: /.*/
tags:
only: /v[0-9]+(\.[0-9]+)*/