[7.x] adding documentation of use of NODE_EXTRA_CA_CERTS env var (#84578)#84636

Merged

bmcconaghy merged 1 commit intoelastic:7.xfrom bmcconaghy:backport/7.x/pr-84578

Dec 1, 2020

+2

Commits on Dec 1, 2020

adding documentation of use of NODE_EXTRA_CA_CERTS env var (elastic#84578 )
bmcconaghy
committed