diff --git a/q1-deploy-monitor/Dockerfile b/q1-deploy-monitor/Dockerfile
index ad36c50..d47bb3c 100644
--- a/q1-deploy-monitor/Dockerfile
+++ b/q1-deploy-monitor/Dockerfile
@@ -7,6 +7,11 @@ RUN npm ci --only=production
 
 COPY . .
 
+ENV NODE_ENV=production
+ENV PORT=3000
 EXPOSE 3000
 
+HEALTHCHECK --interval=30s --timeout=3s --start-period=5s --retries=3 \
+  CMD curl -f http://localhost:3000/health || exit 1
+
 CMD ["npm","start"]