[7.10] adding documentation of use of NODE_EXTRA_CA_CERTS env var (#84578)#84637

Merged

bmcconaghy merged 1 commit intoelastic:7.10from bmcconaghy:backport/7.10/pr-84578

Dec 1, 2020

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Commits on Dec 1, 2020

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