Some quick fixes.

backend/logic/notifications.js

@@ -61,8 +61,8 @@ const lib = {
 	 * @return {Object} - the subscription object
 	 */
 	subscribe: (name, cb, unique = false, station) => {
-		logger.stationIssue(`SUBSCRIBE - Name: ${name}; Key: ${crypto.createHash('md5').update(`_notification:${name}_`).digest('hex')}, StationId: ${station._id}; StationName: ${station.name}; Unique: ${unique}; SubscribtionExists: ${subscriptions.find((subscription) => subscription.originalName == name)};`);
-		if (unique && subscriptions.find((subscription) => subscription.originalName == name)) return;
+		logger.stationIssue(`SUBSCRIBE - Name: ${name}; Key: ${crypto.createHash('md5').update(`_notification:${name}_`).digest('hex')}, StationId: ${station._id}; StationName: ${station.name}; Unique: ${unique}; SubscriptionExists: ${!!subscriptions.find((subscription) => subscription.originalName == name)};`);
+		if (unique && !!subscriptions.find((subscription) => subscription.originalName == name)) return;
 		let subscription = { originalName: name, name: crypto.createHash('md5').update(`_notification:${name}_`).digest('hex'), cb };
 		subscriptions.push(subscription);
 		return subscription;

docker-compose.yml

@@ -6,6 +6,7 @@ services:
     - "${BACKEND_PORT}:8080"
     volumes:
     - ./backend:/opt/app
+    - ./log:/opt/log
     links:
     - mongo
     - redis