Merge branch 'dev' into 'master'

services:

  postgresql:

    environment:

      PGDATA: ${PGDATA}${PGDATA_SUBPATH:-/db}

    deploy:

      placement:

        constraints:

      ebstype: ${DATA_VOL_EBSTYPE:-gp2}

  wal-vol:

    name: ${WAL_VOLUME_NAME}

    name: ${WAL_VOL_NAME}

    driver: ${PRO_VOL_DRIVER}

    driver_opts:

      backing: ${WAL_VOL_BACKING:-relocatable}