{
	"host": "localhost",
	"port": "PORT",
	"mongodb": "MONGO_URI",
	"public": "../public/",
	"auth": {
		"secret": "FQ5lS1j41dcZdaPFPP3VRPH6W2bt8Z19bmvcVz+8SH8PtfVpVTl/p+9D0jIdRhwC1UrWg69lTU9koFgugf9oZg=="
	},
	"services": {
		"calendar": "CALENDAR_URI",
		"content": "CONTENT_URI",
		"notification": "NOTIFICATION_URI",
		"hydra": "HYDRA_URI",
		"web": "FRONTEND_URI"
	}
}

{
	"host": "localhost",
	"port": "PORT",
	"mongodb": "MONGO_URI",
	"public": "../public/",
	"auth": {
		"secret": "FQ5lS1j41dcZdaPFPP3VRPH6W2bt8Z19bmvcVz+8SH8PtfVpVTl/p+9D0jIdRhwC1UrWg69lTU9koFgugf9oZg=="
	},
	"services": {
		"calendar": "CALENDAR_URI",
		"content": "CONTENT_URI",
		"notification": "NOTIFICATION_URI",
		"hydra": "HYDRA_URI",
		"web": "HOST"
	}
}

Use HOST instead of FRONTEND_URI
Use HOST instead of FRONTEND_URI