Update backup.sh

Increased multi-part chunk size to 16MB (DigitalOcean only accepts 10000 chunks, works up to 156GB for a single file)

Author: dmirgaleev

backup.sh

@@ -62,13 +62,13 @@ case "${PG_BACKUP_ACTION:-dump}" in
       aws $AWS_ARGS s3 cp s3://$S3_BUCKET/$S3_PATH/$S3_FILENAME.backup s3://$S3_BUCKET/$S3_PATH/$S3_FILENAME.old.backup --acl private || true
 
       echo "Uploading fresh private snapshot to $S3_BUCKET/$S3_PATH/$S3_FILENAME"
-      cat dump.backup | aws $AWS_ARGS s3 cp - s3://$S3_BUCKET/$S3_PATH/$S3_FILENAME.backup --acl private || exit 2
+      cat dump.backup | aws $AWS_ARGS s3 cp - s3://$S3_BUCKET/$S3_PATH/$S3_FILENAME.backup --acl private --multipart-chunk-size 16777216 || exit 2
     else
       echo "Rotating old snapshot"
       aws $AWS_ARGS s3 cp s3://$S3_BUCKET/$S3_PATH/$S3_FILENAME.backup s3://$S3_BUCKET/$S3_PATH/$S3_FILENAME.old.backup --acl public-read || true
 
       echo "Uploading fresh public snapshot to $S3_BUCKET/$S3_PATH/$S3_FILENAME"
-      cat dump.backup | aws $AWS_ARGS s3 cp - s3://$S3_BUCKET/$S3_PATH/$S3_FILENAME.backup --acl public-read || exit 2
+      cat dump.backup | aws $AWS_ARGS s3 cp - s3://$S3_BUCKET/$S3_PATH/$S3_FILENAME.backup --multipart-chunk-size 16777216 --acl public-read || exit 2
     fi
 
     echo "Snapshot uploaded successfully, removing local file"
@@ -91,4 +91,4 @@ case "${PG_BACKUP_ACTION:-dump}" in
     echo "Restoring $POSTGRES_DB database"
     pg_restore -v -d $POSTGRES_DB $POSTGRES_HOST_OPTS dump.backup
     ;;
-esac
+esac