fix: Improve logging - fix LOG_LEVEL filter, reduce HTTP noise

- Fix LOG_LEVEL filtering logic (was inverted)
- HTTP logs now only show errors (4xx, 5xx) by default
- Add database connection check at startup
- Cron jobs logged on separate lines
- LOG_LEVEL=debug shows all HTTP requests

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

src/app.js

@@ -30,9 +30,13 @@ import eventRoutes from './routes/event.routes.js';
 
 const app = express();
 
-// HTTP request logging via Morgan -> custom logger
-const morganStream = { write: (message) => logger.http(message.trim()) };
-app.use(morgan(':method :url :status :response-time ms', { stream: morganStream }));
+// HTTP request logging - only errors by default (LOG_LEVEL=debug shows all)
+app.use(morgan((tokens, req, res) => {
+  const status = parseInt(tokens.status(req, res)) || 0;
+  const message = `${tokens.method(req, res)} ${tokens.url(req, res)} ${status} ${tokens['response-time'](req, res)} ms`;
+  logger.http(message, status);
+  return null; // Don't write to stdout, logger handles it
+}));
 app.use(
   helmet({
     contentSecurityPolicy: {

src/config/database.js

@@ -24,5 +24,12 @@ pool.on('error', (err) => {
 // Initialize Drizzle ORM with schema
 export const db = drizzle(pool, { schema });
 
+// Test database connection
+export const testConnection = async () => {
+  const client = await pool.connect();
+  client.release();
+  return true;
+};
+
 // Export pool for direct access if needed
 export { pool };

src/cron/index.js

@@ -6,18 +6,13 @@ import { startAuditCleanupCron, cleanupOldAuditLogs } from './cleanupAuditLogs.j
  * Start all cron jobs
  */
 export const startAllCronJobs = () => {
-  const jobs = [];
-
   // Calendar event notifications
   const calendarJob = startCalendarNotificationCron();
-  jobs.push(calendarJob);
+  logger.info(`Cron: ${calendarJob.name}`);
 
   // Audit logs cleanup
   const auditJob = startAuditCleanupCron();
-  jobs.push(auditJob);
-
-  // Log summary
-  logger.info(`Cron jobs initialized: ${jobs.map(j => j.name).join(', ')}`);
+  logger.info(`Cron: ${auditJob.name}`);
 };
 
 // Export individual functions for testing/manual triggers

src/index.js

@@ -1,11 +1,25 @@
 import app from './app.js';
 import { startAllCronJobs } from './cron/index.js';
 import { logger } from './utils/logger.js';
+import { testConnection } from './config/database.js';
 
 const port = process.env.PORT || 5000;
-app.listen(port, () => {
-  logger.info(`Server running on http://localhost:${port}`);
 
-  // Start cron jobs after server is running
+const start = async () => {
+  try {
+    // Test database connection
+    await testConnection();
+    logger.success('Database connected');
+
+    // Start server
+    app.listen(port, () => {
+      logger.info(`Server running on http://localhost:${port}`);
       startAllCronJobs();
-});
+    });
+  } catch (error) {
+    logger.error('Failed to start server', error);
+    process.exit(1);
+  }
+};
+
+start();

src/utils/logger.js

@@ -1,13 +1,11 @@
 /**
  * Logger utility with LOG_LEVEL filtering
  *
- * LOG_LEVEL options (from lowest to highest):
+ * LOG_LEVEL options (minimum level to show):
  * - debug: Show all logs
- * - info: Show info, success, warn, error, audit
+ * - info: Show info, success, warn, error, audit (default)
  * - warn: Show warn, error, audit
  * - error: Show only errors and audit
- *
- * Default: 'info' (production-ready default)
  */
 
 const LOG_LEVELS = {
@@ -32,13 +30,13 @@ const getTimestamp = () => {
   return new Date().toISOString();
 };
 
-const getCurrentLevel = () => {
+const getMinLevel = () => {
   const level = process.env.LOG_LEVEL?.toLowerCase() || 'info';
   return LOG_LEVELS[level] ?? LOG_LEVELS.info;
 };
 
 const shouldLog = (level) => {
-  return LOG_LEVELS[level] <= getCurrentLevel();
+  return LOG_LEVELS[level] >= getMinLevel();
 };
 
 export const logger = {
@@ -93,11 +91,15 @@ export const logger = {
     );
   },
 
-  // HTTP request logger (for Morgan integration)
-  http: (message) => {
-    if (!shouldLog('info')) return;
+  // HTTP request logger - only logs errors (4xx, 5xx) by default
+  http: (message, statusCode) => {
+    // Only log HTTP errors, or all if LOG_LEVEL=debug
+    const isError = statusCode >= 400;
+    if (isError || getMinLevel() === LOG_LEVELS.debug) {
+      const color = isError ? colors.red : colors.gray;
       console.log(
-      `${colors.gray}[HTTP]${colors.reset} ${colors.gray}${getTimestamp()}${colors.reset} ${message}`
+        `${color}[HTTP]${colors.reset} ${colors.gray}${getTimestamp()}${colors.reset} ${message}`
       );
+    }
   },
 };