fix: add health check to get rid of the downtime between deployments

Author: okunamayanad

Dockerfile

@@ -32,4 +32,7 @@ EXPOSE 8080
 ENV NODE_ENV=production
 ENV PORT=8080
 ENV HOSTNAME="0.0.0.0"
-CMD ["bun", "run", "start"]
+CMD ["bun", "run", "start"]
+
+HEALTHCHECK --interval=5s --timeout=5s --start-period=45s --retries=3 \
+  CMD wget --no-verbose --tries=1 --spider http://localhost:8080/api/health || exit 1

src/app/api/health/route.ts

@@ -0,0 +1,3 @@
+export function GET() {
+  return new Response("OK", { status: 200 });
+}