thingsboard/msa/tb/docker-postgres/start-db.sh

#!/bin/bash
#
# Copyright © 2016-2022 The Thingsboard Authors
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#

firstlaunch=${DATA_FOLDER}/.firstlaunch

PG_CTL=$(find /usr/lib/postgresql/ -name pg_ctl)

if [ ! -d ${PGDATA} ]; then
    mkdir -p ${PGDATA}
    ${PG_CTL} initdb
else
    ${PG_CTL} start
fi

exec setsid nohup postgres >> ${PGLOG}/postgres.log 2>&1 &

if [ ! -f ${firstlaunch} ]; then
    sleep 2
    while ! psql -U thingsboard -d postgres -c "CREATE DATABASE thingsboard"
    do
      sleep 1
    done
else
    until pg_isready --dbname thingsboard --quiet
    do
        sleep 1
        echo "Waiting for db"
    done
fi