diff --git a/Dockerfile b/Dockerfile
index 60e7b9e..60a5d5b 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -19,7 +19,7 @@ FROM node:22-alpine AS production
 WORKDIR /app
 
 ENV NODE_ENV=production \
-    PORT=3000
+    PORT=5000
 
 # Copy installed production dependencies and application code with proper ownership
 COPY --chown=node:node --from=dependencies /app/node_modules ./node_modules
@@ -28,10 +28,10 @@ COPY --chown=node:node . .
 # Run as non-root user
 USER node
 
-EXPOSE 3000
+EXPOSE 5000
 
 # Healthcheck targeting the API health endpoint
-HEALTHCHECK --interval=30s --timeout=5s --start-period=15s --retries=3 \
-  CMD wget --no-verbose --tries=1 --spider http://localhost:3000/api/health || exit 1
+HEALTHCHECK --interval=15s --timeout=5s --start-period=10s --retries=3 \
+  CMD wget --no-verbose --tries=1 --spider http://127.0.0.1:${PORT:-5000}/api/health || exit 1
 
 CMD ["node", "app.js"]
diff --git a/app.js b/app.js
index 73da8ea..36e9dcc 100644
--- a/app.js
+++ b/app.js
@@ -142,8 +142,8 @@ const startServer = async () => {
   startTempBucketCleanupJob();
   startClassReminderJob();
 
-  app.listen(PORT, () => {
-    logger.info(`Gameno API listening on http://localhost:${PORT} [${config.NODE_ENV}]`);
+  app.listen(PORT, '0.0.0.0', () => {
+    logger.info(`Gameno API listening on http://0.0.0.0:${PORT} [${config.NODE_ENV}]`);
   });
 };