python_dev_ivanov_matvey/database/create-multiple-postgresql-databases.sh

#!/bin/bash

set -e
set -u

function create_user_and_database() {
	local database=$1
	echo "  Creating user '$POSTGRES_USER' and database '$database'"
	psql -v ON_ERROR_STOP=1 --username "$POSTGRES_USER" <<-EOSQL
	    CREATE DATABASE $database;
	    GRANT ALL PRIVILEGES ON DATABASE $database TO $POSTGRES_USER;
EOSQL
}

function import_dump() {
	local database=$1
    psql -U "$POSTGRES_USER" -d "$database" -a -f "docker-entrypoint-initdb.d/dumps/$database.sql"
}

if [ -n "$POSTGRES_MULTIPLE_DATABASES" ]; then
	echo "Multiple database creation requested: $POSTGRES_MULTIPLE_DATABASES"
	for db in $(echo $POSTGRES_MULTIPLE_DATABASES | tr ',' ' '); do
		create_user_and_database $db
		import_dump $db
	done
	echo "Multiple databases created"
fi