// Copyright (C) 2023  Shanhu Tech Inc.
//
// This program is free software: you can redistribute it and/or modify it
// under the terms of the GNU Affero General Public License as published by the
// Free Software Foundation, either version 3 of the License, or (at your
// option) any later version.
//
// This program is distributed in the hope that it will be useful, but WITHOUT
// ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
// FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Affero General Public License
// for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program.  If not, see <https://www.gnu.org/licenses/>.

package heroku

import (
	"os"
)

// Addr is the serving address for a Heroku web instance. Returns empty string
// if the PORT environment variable is missing.
func Addr() string {
	port := os.Getenv("PORT")
	if port == "" {
		return ""
	}
	return ":" + port
}

// DBURL returns the database URL of the app.
func DBURL() string {
	return os.Getenv("DATABASE_URL")
}
