Env
Environment variables can be
self- defined within the same yml fileenv- defined within anenvfileopt- defined on CLI- ex. 
sls invoke --stage="local" ...can be accessed with${opt:stage} 
- ex. 
 
Environment variables can be
self - defined within the same yml fileenv - defined within an env fileopt - defined on CLI
sls invoke --stage="local" ... can be accessed with ${opt:stage}