Update deploy job

Author: prplecake

.github/workflows/build.yml

@@ -71,5 +71,8 @@ jobs:
           role-to-assume: arn:aws:iam::832054921972:role/masto-fe-standaloneDeployRole
       - name: Deploy to S3
         run: |
-          aws s3 sync ./public s3://masto-fe-standalone --delete --acl public-read --cache-control "max-age=3600, public"
+          aws s3 sync ./public s3://$S3_BUCKET_NAME --delete
           #aws cloudfront create-invalidation --distribution-id 
+        env:
+          S3_BUCKET_NAME: ${{ vars.S3_BUCKET_NAME }}
+