Just a heads-up that a deploy-stack for couchdb2:
cchq <env> deploy-stack --tags=couchdb2
...fails with:
TASK [couchdb2-preinstall : Download Erlang Solutions GPG key] **************************************************************************************************************************************
fatal: [10.3.0.4]: FAILED! => {"changed": false, "dest": "/tmp/erlang-solutions-gpg.asc", "elapsed": 0, "msg": "Request failed: <urlopen error [SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed: certificate has expired (_ssl.c:1007)>", "url": "``https://binaries2.erlang-solutions.com/GPG-KEY-pmanager.asc``"}