add CI for building dockers

[Borda]

What does this PR do?

Fixes at this moment we do not have any test all dockers are buildable and we find it out just at master when the fist build is performed

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[codecov]

Codecov Report

Merging #3383 into master will decrease coverage by 3%.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master   #3383    +/-   ##
=======================================
- Coverage      90%     87%    -3%     
=======================================
  Files          98     101     +3     
  Lines        8073    8579   +506     
=======================================
+ Hits         7283    7440   +157     
- Misses        790    1139   +349     

[ydcjeff]

Are we going to test this base-cuda docker build as well?
Right now, it's skipped...
https://github.com/PyTorchLightning/pytorch-lightning/runs/1087774602?check_suite_focus=true

[Borda]

Are we going to test this base-cuda docker build as well?
Right now, it's skipped... https://github.com/PyTorchLightning/pytorch-lightning/runs/1087774602?check_suite_focus=true

good catch, thx :]

[ydcjeff]

@Borda https://github.com/PyTorchLightning/pytorch-lightning/blob/a2d14306f70ec9e2a83351819d9ad4b6de9ddb26/.github/workflows/ci_pt-conda.yml#L66

this needs to change, right?

[Borda]

@tgaddair it seems we have again some problem with installing Horovoed on conda env...

[Borda]

@ydcjeff it seems there is some problem with the Cuda docker (installing Horovod) and as you already have a ready update I ll comment it now and we ll uncomment in your PR

[nateraw]

why leave the comment if its in the history?

[Borda]

it is another PR #3074

[nateraw]

looks fine 😄