is it possible to dynamically create parallel steps based on artifact of previous step?

[Eytan Yammer]

We have a monorepo and need to be able to build multiple containers in parallel. However, how many we need to build will change each time to pipeline is run. so I have the following logic:

generate list of containers to build --> generate parallel steps --> run the parallel steps

pseudo-code

pipelines:  default:      
  - step:          
    script:          
      - generate list of changed services          
    artifact:          
      - the list      
  - step:        
    script: create parallel steps    
  - parallel:        \
    - step: build container #1        
    - step: build container #2

is this possible in bitbucket pipelines?