adding my default variable "BITBUCKET_TAG" to my "aws-ecr-push-image:1.6.0" I did it this way but it doesn't work
AWS_ACCESS_KEY_ID: $AWS_ACCESS_KEY_ID
AWS_SECRET_ACCESS_KEY: $AWS_SECRET_ACCESS_KEY
AWS_DEFAULT_REGION: $AWS_DEFAULT_REGION
IMAGE_NAME: my-docker-image
TAGS: '${BITBUCKET_TAG}'
any suggestion?