build-doc:
  image: 2017bentrioum/markovprocesses.jl/julia:latest
  stage: build
  script:
    - "docker image ls" 
    - "julia --project=docs/ -e 'using Pkg; Pkg.develop(PackageSpec(path=pwd(), subdir=\"core/\")); Pkg.instantiate()'"
    - "julia --project=docs/ docs/make.jl"