--- x-efs_fs_opts_common: &common_fs_opts fstype: efs fsopts: - _netdev - tls - iam - rw mounts: - name: prod-build-compose <<: *common_fs_opts fsid: fs-XXXXXXXX mount_point: /mnt/compose ip_map: us-east-2a: 10.100.100.250 us-east-2b: 10.100.101.250 us-east-2c: 10.100.102.250 ...