docs: install tools before building in docker environment (#19577)
docs: install tools before building in docker environment (#19577)

* docs: install tools before building in docker environment

* Update README.md

Co-Authored-By: Kristin Laemmert <30cb4a936f196f8da41f6469d07b31397d334edc@users.noreply.github.com>

apparentlymart/terraform,brandontosch/terraform,tommynsong/terraform,nlamirault/terraform,tommynsong/terraform,pdecat/terraform,pradeepbhadani/terraform,gechr/terraform,apparentlymart/terraform,ewbankkit/terraform,heimweh/terraform,brandontosch/terraform,hashicorp/terraform,pryorda/terraform,pdecat/terraform,VladRassokhin/terraform,rnaveiras/terraform,heimweh/terraform,ewbankkit/terraform,pryorda/terraform,VladRassokhin/terraform,heimweh/terraform,pradeepbhadani/terraform,tommynsong/terraform,VladRassokhin/terraform,nlamirault/terraform,nlamirault/terraform,pdecat/terraform,apparentlymart/terraform,gechr/terraform,pryorda/terraform,pradeepbhadani/terraform,rnaveiras/terraform,hashicorp/terraform,brandontosch/terraform,hashicorp/terraform,rnaveiras/terraform,gechr/terraform,VladRassokhin/terraform,brandontosch/terraform,heimweh/terraform,ewbankkit/terraform,pdecat/terraform,heimweh/terraform,brandontosch/terraform,ewbankkit/terraform,apparentlymart/terraform,apparentlymart/terraform