language: python os: linux dist: xenial python: 3.7 services: - docker stages: - test env: global: - OMP_NUM_THREADS=2 jobs: - IMG=debian:stable jobs: allow_failures: - env: IMG=debian:stable script: - docker build --build-arg "OMP_NUM_THREADS=${OMP_NUM_THREADS}" --build-arg "IMG=${IMG}" "."