/thirdparty/patches/prometheus-zlib-fdopen.patch

diff -u bazel/repositories.bzl /tmp/repositories.bzl 
--- bazel/repositories.bzl
+++ bazel/repositories.bzl
@@ -56,4 +56,7 @@
             "https://zlib.net/zlib-1.2.11.tar.gz",
         ],
         build_file = "@com_github_jupp0r_prometheus_cpp//bazel:zlib.BUILD",
+        patches = [
+            "@io_ray//thirdparty/patches:zlib-fdopen.patch",
+        ]
     )