these 3 derivations will be built:
  /nix/store/ciix04xmg5ajb2zjyc378awxm0my7cw9-docs-site-main-site.conf.drv
  /nix/store/vvwwqmkl28jl4bfpr0iq6ni640r2vpmm-docs-site-main-nginx.conf.drv
  /nix/store/mv9cgy7x6zv693zsr8cwg4aqkvx3gxvy-docs-backend-test.drv