What is the role of the Zipped file during deployment with Microsoft Azure?

Question

script:
- pipe: atlassian/azure-web-apps-deploy:0.2.1
variables:
APP_ID: $APP_ID
PASSWORD: $PASSWORD
TENANT_ID: $TENANT_ID
RESOURCE_GROUP: $RESOURCE_GROUP
NAME: 'my-site'
ZIP_FILE: 'my-package.zip'

Badr Eddine Zebbiche · Answer

The role is compress the artifacts into one single zipped file for deployment.

A necessary step would be archiving the zip file itself using

script: 
  - echo "Archiving the artifacts" 
  - zip {APPL_NAME}.zip File1 File2 File3

Here is an example: https://bitbucket.org/bitbucketpipelines/example-aws-elasticbeanstalk-deploy/src/master/bitbucket-pipelines.yml