diff --git a/Dockerfile b/Dockerfile
index b9c4d29..b9b6dea 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -22,6 +22,9 @@ RUN apk --no-cache add ca-certificates tzdata
 COPY --from=builder /newt /usr/local/bin/
 COPY entrypoint.sh /
 
+# Admin/metrics endpoint (Prometheus scrape)
+EXPOSE 2112
+
 RUN chmod +x /entrypoint.sh
 ENTRYPOINT ["/entrypoint.sh"]
-CMD ["newt"]
\ No newline at end of file
+CMD ["newt"]