[`production.Dockerfile`] `yarn cache clean`

[garyhtou]

❯ docker image ls | grep yarn-cache
hcb-no-yarn-cache                   latest                                     779fbe9e6093   10 seconds ago   3.11GB
hcb-yarn-cache                      latest                                     5673b088b69d   6 minutes ago    3.11GB

I'm actually not sure if I see a difference. Maybe something about our Dockerfile already has it clear its cache by default?

[garyhtou]

@albertchae, i'd love your eyes where if you find some time.

[YodaLightsabr]

Is there any downside to including this in the Dockerfile?

[garyhtou]

Probably not, i think we can merge