xoxys.postgres/files/init-user-db.sh

#!/usr/bin/env sh
set -e

if [ -n "$POSTGRES_APP_USER" ] && [ -n "$POSTGRES_APP_PASSWORD" ] && [ -n "$POSTGRES_APP_DB" ]; then
    echo "Create app user and database"
    psql -v ON_ERROR_STOP=1 --username "${POSTGRES_USER:-postgres}" <<-EOSQL
        CREATE USER $POSTGRES_APP_USER WITH ENCRYPTED PASSWORD '${POSTGRES_APP_PASSWORD}';
        CREATE DATABASE $POSTGRES_APP_DB;
        GRANT ALL PRIVILEGES ON DATABASE $POSTGRES_APP_DB TO $POSTGRES_APP_USER;
        ALTER DATABASE $POSTGRES_APP_DB OWNER TO $POSTGRES_APP_USER;
EOSQL
fi