It looks like the env var replacement of manifest.yml keys is not fully supported.
This example from the openwhisk docs does not seem to work.
actions:
hello_world_env_var_parms:
function: src/hello.js
inputs:
name: $FIRSTNAME
place: ${TOWN}, ${COUNTRY}FIRSTNAME is replaced, but TOWN and COUNTRY are not.
https://github.com/apache/openwhisk-wskdeploy/blob/master/docs/wskdeploy_action_env_var_parms.md#actions
It looks like the env var replacement of manifest.yml keys is not fully supported.
This example from the openwhisk docs does not seem to work.
FIRSTNAME is replaced, but TOWN and COUNTRY are not.
https://github.com/apache/openwhisk-wskdeploy/blob/master/docs/wskdeploy_action_env_var_parms.md#actions