Updating a lambda from an S3-hosted zip file works when providing each required value:
- LAMBDA_NAME
- AWS_S3_BUCKET
- AWS_S3_KEY
- AWS_ACCESS_KEY_ID
- AWS_SECRET_ACCESS_KEY
- AWS_REGION
Not all options of update-function-code are yet supported. Of specific note, these options are not yet enabled:
--publish Creates new version of the function
--revision-id Prevents modification of changed-since-read function