diff --git a/src/mirrorsrun/server.py b/src/mirrorsrun/server.py
index ff9e01f..ea8bd95 100644
--- a/src/mirrorsrun/server.py
+++ b/src/mirrorsrun/server.py
@@ -29,6 +29,7 @@ from mirrorsrun.sites.pypi import pypi
 from mirrorsrun.sites.torch import torch
 from mirrorsrun.sites.docker import dockerhub, k8s, quay, ghcr, nvcr
 from mirrorsrun.sites.common import common
+from mirrorsrun.sites.goproxy import goproxy
 
 subdomain_mapping = {
     "mirrors": common,
@@ -40,6 +41,7 @@ subdomain_mapping = {
     "ghcr": ghcr,
     "quay": quay,
     "nvcr": nvcr,
+    "goproxy": goproxy,
 }
 
 logging.basicConfig(
diff --git a/src/mirrorsrun/sites/goproxy.py b/src/mirrorsrun/sites/goproxy.py
new file mode 100644
index 0000000..75b8ce1
--- /dev/null
+++ b/src/mirrorsrun/sites/goproxy.py
@@ -0,0 +1,29 @@
+from starlette.requests import Request
+
+from mirrorsrun.proxy.direct import direct_proxy
+from starlette.responses import Response
+
+
+async def goproxy(request: Request):
+    path = request.url.path
+
+    sumdb_prefix = "/sumdb/sum.golang.org"
+    if path.startswith(sumdb_prefix):
+        sumdb_path = path.removeprefix(sumdb_prefix)
+        if sumdb_path.startswith("/supported"):
+            return Response(
+                content=b"",
+            )
+        target_url = "https://sum.golang.org" + sumdb_path
+        return await direct_proxy(
+            request,
+            target_url,
+        )
+
+    target_url = "https://proxy.golang.org" + path
+
+    return await direct_proxy(
+        request,
+        target_url,
+    )
+