Added Comments for Logger Discussion

src/backend/feed/processor.js

@@ -207,7 +207,7 @@ module.exports = async function processor(job) {
         }`
       );
     } else {
-      logger.error({ error }, `Unable to process feed ${feed.url}`);
+      logger.debug({ error }, `Unable to process feed ${feed.url}`);
       throw error;
     }
   }

src/backend/feed/worker.js

@@ -31,9 +31,10 @@ exports.start = async function () {
   try {
     await waitOnReady();
     logger.info('Connected to elasticsearch!');
-
     const concurrency = getFeedWorkersCount();
-    logger.info(`Starting ${concurrency} instance${concurrency > 1 ? 's' : ''} of feed processor.`);
+    logger.debug(
+      `Starting ${concurrency} instance${concurrency > 1 ? 's' : ''} of feed processor.`
+    );
     feedQueue.process(concurrency, path.resolve(__dirname, 'processor.js'));
     return feedQueue;
   } catch (error) {

src/backend/lib/shutdown.js

@@ -11,7 +11,7 @@ async function stopQueue() {
     await feedQueue.close();
     logger.info('Feed queue shut down.');
   } catch (error) {
-    logger.error({ error }, 'Unable to close feed queue gracefully');
+    logger.debug({ error }, 'Unable to close feed queue gracefully');
   }
 }
 
@@ -24,7 +24,7 @@ async function stopWebServer() {
     await serverClose();
     logger.info('Web server shut down.');
   } catch (error) {
-    logger.error({ error }, 'Unable to close web server gracefully');
+    logger.debug({ error }, 'Unable to close web server gracefully');
   }
 }
 
@@ -33,7 +33,7 @@ async function cleanShutdown() {
     await Promise.all([stopQueue(), stopWebServer()]);
     logger.info('Completing shut down.');
   } catch (error) {
-    logger.error({ error }, 'Failed to perform clean shutdown');
+    logger.debug({ error }, 'Failed to perform clean shutdown');
   }
 }