app.json

{
	"addons": [
		{
			"plan": "heroku-postgresql",
			"options": {
				"version": "13"
			}
		}
	],
	"buildpacks": [
		{
			"url": "heroku/nodejs"
		}
	],
	"description": "A configurable URL shortener",
	"env": {
		"API_KEY": {
			"description": "API key used to protect some routes. If you leave this blank anyone will be able to shorten URLs.",
			"required": false,
			"generator": "secret"
		},
		"DATABASE_URL": {
			"description": "URL or path to database. Leave this blank if you are using a Heroku add-on for your database.",
			"required": false
		},
		"SHORT_LENGTH": {
			"description": "Length of shortened IDs. Default is calculated based on length of SHORT_CHARS.",
			"required": false
		},
		"SHORT_CHARS": {
			"description": "JSON array of characters to used in shortened IDs.",
			"required": false
		},
		"SHORT_REWRITES": {
			"description": "JSON object of rewrites to normalize shortened IDs. Advanced use only.",
			"required": false
		},
		"HOSTNAME": {
			"description": "The hostname of this API instance.",
			"required": false
		},
		"SHORTENED_BASE_URL": {
			"description": "The base URL to build shortened URLs from. If you leave this blank clients will have to assemble shortened URLs themselves.",
			"required": false
		},
		"BLOCKED_HOSTNAMES": {
			"description": "JSON array of hostnames or domain names that are prevented from being shortened.",
			"required": false
		},
		"SENTRY_DSN": {
			"description": "Sentry Data Source Name (DSN) https://docs.sentry.io/product/sentry-basics/dsn-explainer/",
			"required": false
		}
	},
	"keywords": ["URL Shortener", "Node.js"],
	"logo": "https://avatars.githubusercontent.com/u/53232036",
	"name": "Custom ZWS Instance",
	"repository": "https://github.com/zws-im/zws",
	"website": "https://github.com/zws-im/zws#readme"
}