Restart the bot if an error occurs in the discord service; added Dockerfile

Dockerfile

@@ -0,0 +1,11 @@
+FROM node:latest
+LABEL name="LS25-Discord-Bot"
+LABEL authors="Dennis Heinrich"
+
+# Copy the source files
+WORKDIR /app
+COPY . /app
+RUN npm install
+
+CMD ["npm", "start"]
+ENTRYPOINT ["npm", "start"]

package.json

@@ -5,6 +5,7 @@
   "main": "source/Main.ts",
   "scripts": {
     "start": "npx tsc && node build/Main.js",
+    "build": "npx tsc",
     "schema": "npx json2ts -i source/Schema/ServerStats.json -o ./source/Schema/ServerStats.d.ts --unreachableDefinitions",
     "test": "echo \"Error: no test specified\" && exit 1"
   },

source/Main.ts

@@ -17,7 +17,22 @@ discordClient.login(appConfig.discord.botToken).then(() => {
     appLogger.info(`Login successful to discord with token`);
 });
 
+/**
+ * Start the DiscordService and restart it if an error occurred
+ */
+function startDiscordService(): void {
+    try {
+        new DiscordService(discordClient);
+    } catch (exception) {
+        appLogger.error(`Restarting the discord service, an error occurred`, exception);
+    } finally {
+        setTimeout(() => {
+            startDiscordService();
+        }, 5000);
+    }
+}
+
 discordClient.on('ready', () => {
     appLogger.info(`Discord client ready. Logged in as ${discordClient.user?.username}!`);
-    new DiscordService(discordClient);
+    startDiscordService();
 });