diff --git a/cmd/admingolangorg/.gcloudignore b/cmd/admingolangorg/.gcloudignore
new file mode 100644
index 0000000..199e6d9
--- /dev/null
+++ b/cmd/admingolangorg/.gcloudignore
@@ -0,0 +1,25 @@
+# This file specifies files that are *not* uploaded to Google Cloud Platform
+# using gcloud. It follows the same syntax as .gitignore, with the addition of
+# "#!include" directives (which insert the entries of the given .gitignore-style
+# file at that point).
+#
+# For more information, run:
+#   $ gcloud topic gcloudignore
+#
+.gcloudignore
+# If you would like to upload your .git directory, .gitignore file or files
+# from your .gitignore file, remove the corresponding line
+# below:
+.git
+.gitignore
+
+# Binaries for programs and plugins
+*.exe
+*.exe~
+*.dll
+*.so
+*.dylib
+# Test binary, build with `go test -c`
+*.test
+# Output of the go coverage tool, specifically when used with LiteIDE
+*.out
\ No newline at end of file
diff --git a/cmd/admingolangorg/README.md b/cmd/admingolangorg/README.md
new file mode 100644
index 0000000..108b8ea
--- /dev/null
+++ b/cmd/admingolangorg/README.md
@@ -0,0 +1,12 @@
+# admingolangorg
+
+This app serves as the [admin interface](https://admin-dot-golang-org.appspot.com) for the golang.org/s link
+shortener. Its functionality may be expanded in the future.
+
+## Deployment:
+
+To update the public site, run:
+
+```
+gcloud app --account=username@domain.com --project=golang-org deploy app.yaml
+```
diff --git a/cmd/admingolangorg/app.yaml b/cmd/admingolangorg/app.yaml
new file mode 100644
index 0000000..c694d4b
--- /dev/null
+++ b/cmd/admingolangorg/app.yaml
@@ -0,0 +1,14 @@
+runtime: go111
+service: admin
+
+env_variables:
+  GOLANGORG_REDIS_ADDR: 10.0.0.4:6379 # instance "gophercache"
+  DATASTORE_PROJECT_ID: golang-org
+
+handlers:
+  - url: .*
+    script: auto
+    login: admin # THIS MUST BE SET
+
+vpc_access_connector:
+  name: 'projects/golang-org/locations/us-central1/connectors/golang-vpc-connector'
diff --git a/cmd/admingolangorg/main.go b/cmd/admingolangorg/main.go
new file mode 100644
index 0000000..a8dd26a
--- /dev/null
+++ b/cmd/admingolangorg/main.go
@@ -0,0 +1,51 @@
+// Copyright 2020 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// The admingolangorg command serves an administrative interface for owners of
+// the golang-org Google Cloud project.
+package main
+
+import (
+	"context"
+	"log"
+	"net/http"
+	"os"
+	"strings"
+
+	"cloud.google.com/go/datastore"
+	"golang.org/x/website/internal/memcache"
+	"golang.org/x/website/internal/short"
+)
+
+func main() {
+	http.HandleFunc("/", short.AdminHandler(getClients()))
+	port := os.Getenv("PORT")
+	if port == "" {
+		port = "8080"
+		log.Printf("Defaulting to port %s", port)
+	}
+
+	log.Printf("Listening on port %s", port)
+	log.Fatal(http.ListenAndServe(":"+port, nil))
+}
+
+func getClients() (*datastore.Client, *memcache.Client) {
+	ctx := context.Background()
+
+	datastoreClient, err := datastore.NewClient(ctx, "")
+	if err != nil {
+		if strings.Contains(err.Error(), "missing project") {
+			log.Fatalf("Missing datastore project. Set the DATASTORE_PROJECT_ID env variable. Use `gcloud beta emulators datastore` to start a local datastore.")
+		}
+		log.Fatalf("datastore.NewClient: %v.", err)
+	}
+
+	redisAddr := os.Getenv("GOLANGORG_REDIS_ADDR")
+	if redisAddr == "" {
+		log.Fatalf("Missing redis server for golangorg in production mode. set GOLANGORG_REDIS_ADDR environment variable.")
+	}
+	memcacheClient := memcache.New(redisAddr)
+
+	return datastoreClient, memcacheClient
+}
diff --git a/go.mod b/go.mod
index 1fa9c1c..e0067ff 100644
--- a/go.mod
+++ b/go.mod
@@ -3,11 +3,16 @@
 go 1.11
 
 require (
-	cloud.google.com/go/datastore v1.1.0
+	cloud.google.com/go v0.58.0 // indirect
+	cloud.google.com/go/datastore v1.2.0
 	github.com/gomodule/redigo v2.0.0+incompatible
-	github.com/yuin/goldmark v1.1.22
+	github.com/yuin/goldmark v1.1.27
+	go.opencensus.io v0.22.4 // indirect
 	golang.org/x/build v0.0.0-20200520141049-92427f67eca1
-	golang.org/x/net v0.0.0-20200301022130-244492dfa37a
-	golang.org/x/tools v0.0.0-20200304193943-95d2e580d8eb
-	google.golang.org/appengine v1.6.5
+	golang.org/x/net v0.0.0-20200602114024-627f9648deb9
+	golang.org/x/sys v0.0.0-20200615200032-f1bc736245b1 // indirect
+	golang.org/x/text v0.3.3 // indirect
+	golang.org/x/tools v0.0.0-20200617212913-87be026d3888
+	google.golang.org/api v0.27.0 // indirect
+	google.golang.org/genproto v0.0.0-20200617032506-f1bdc9086088 // indirect
 )
diff --git a/go.sum b/go.sum
index f66e16d..70389ae 100644
--- a/go.sum
+++ b/go.sum
@@ -12,21 +12,36 @@
 cloud.google.com/go v0.53.0/go.mod h1:fp/UouUEsRkN6ryDKNW/Upv/JBKnv6WDthjR6+vze6M=
 cloud.google.com/go v0.54.0 h1:3ithwDMr7/3vpAMXiH+ZQnYbuIsh+OPhUPMFC9enmn0=
 cloud.google.com/go v0.54.0/go.mod h1:1rq2OEkV3YMf6n/9ZvGWI3GWw0VoqH/1x2nd8Is/bPc=
+cloud.google.com/go v0.56.0/go.mod h1:jr7tqZxxKOVYizybht9+26Z/gUq7tiRzu+ACVAMbKVk=
+cloud.google.com/go v0.57.0 h1:EpMNVUorLiZIELdMZbCYX/ByTFCdoYopYAGxaGVz9ms=
+cloud.google.com/go v0.57.0/go.mod h1:oXiQ6Rzq3RAkkY7N6t3TcE6jE+CIBBbA36lwQ1JyzZs=
+cloud.google.com/go v0.58.0 h1:vtAfVc723K3xKq1BQydk/FyCldnaNFhGhpJxaJzgRMQ=
+cloud.google.com/go v0.58.0/go.mod h1:W+9FnSUw6nhVwXlFcp1eL+krq5+HQUJeUogSeJZZiWg=
 cloud.google.com/go/bigquery v1.0.1/go.mod h1:i/xbL2UlR5RvWAURpBYZTtm/cXjCha9lbfbpx4poX+o=
 cloud.google.com/go/bigquery v1.3.0/go.mod h1:PjpwJnslEMmckchkHFfq+HTD2DmtT67aNFKH1/VBDHE=
 cloud.google.com/go/bigquery v1.4.0 h1:xE3CPsOgttP4ACBePh79zTKALtXwn/Edhcr16R5hMWU=
 cloud.google.com/go/bigquery v1.4.0/go.mod h1:S8dzgnTigyfTmLBfrtrhyYhwRxG72rYxvftPBK2Dvzc=
+cloud.google.com/go/bigquery v1.5.0/go.mod h1:snEHRnqQbz117VIFhE8bmtwIDY80NLUZUMb4Nv6dBIg=
+cloud.google.com/go/bigquery v1.7.0/go.mod h1://okPTzCYNXSlb24MZs83e2Do+h+VXtc4gLoIoXIAPc=
+cloud.google.com/go/bigquery v1.8.0 h1:PQcPefKFdaIzjQFbiyOgAqyx8q5djaE7x9Sqe712DPA=
+cloud.google.com/go/bigquery v1.8.0/go.mod h1:J5hqkt3O0uAFnINi6JXValWIb1v0goeZM77hZzJN/fQ=
 cloud.google.com/go/datastore v1.0.0/go.mod h1:LXYbyblFSglQ5pkeyhO+Qmw7ukd3C+pD7TKLgZqpHYE=
 cloud.google.com/go/datastore v1.1.0 h1:/May9ojXjRkPBNVrq+oWLqmWCkr4OU5uRY29bu0mRyQ=
 cloud.google.com/go/datastore v1.1.0/go.mod h1:umbIZjpQpHh4hmRpGhH4tLFup+FVzqBi1b3c64qFpCk=
+cloud.google.com/go/datastore v1.2.0 h1:906wMszEeOl3+WoaxXeoBpZbSWmZ/q2xRHMIVLBLCJc=
+cloud.google.com/go/datastore v1.2.0/go.mod h1:FKd9dFEjRui5757lkOJ7z/eKtL74o5hsbY0o6Z0ozz8=
 cloud.google.com/go/pubsub v1.0.1/go.mod h1:R0Gpsv3s54REJCy4fxDixWD93lHJMoZTyQ2kNxGRt3I=
 cloud.google.com/go/pubsub v1.1.0/go.mod h1:EwwdRX2sKPjnvnqCa270oGRyludottCI76h+R3AArQw=
 cloud.google.com/go/pubsub v1.2.0 h1:Lpy6hKgdcl7a3WGSfJIFmxmcdjSpP6OmBEfcOv1Y680=
 cloud.google.com/go/pubsub v1.2.0/go.mod h1:jhfEVHT8odbXTkndysNHCcx0awwzvfOlguIAii9o8iA=
+cloud.google.com/go/pubsub v1.3.1 h1:ukjixP1wl0LpnZ6LWtZJ0mX5tBmjp1f8Sqer8Z2OMUU=
+cloud.google.com/go/pubsub v1.3.1/go.mod h1:i+ucay31+CNRpDW4Lu78I4xXG+O1r/MAHgjpRVR+TSU=
 cloud.google.com/go/storage v1.0.0/go.mod h1:IhtSnM/ZTZV8YYJWCY8RULGVqBDmpoyjwiyrjsg+URw=
 cloud.google.com/go/storage v1.5.0/go.mod h1:tpKbwo567HUNpVclU5sGELwQWBDZ8gh0ZeosJ0Rtdos=
 cloud.google.com/go/storage v1.6.0 h1:UDpwYIwla4jHGzZJaEJYx1tOejbgSoNqsAfHAUYe2r8=
 cloud.google.com/go/storage v1.6.0/go.mod h1:N7U0C8pVQ/+NIKOBQyamJIeKQKkZ+mxpohlUTyfDhBk=
+cloud.google.com/go/storage v1.8.0 h1:86K1Gel7BQ9/WmNWn7dTKMvTLFzwtBe5FNqYbi9X35g=
+cloud.google.com/go/storage v1.8.0/go.mod h1:Wv1Oy7z6Yz3DshWRJFhqM/UCfaWIRTdp0RXyy7KQOVs=
 dmitri.shuralyov.com/gpu/mtl v0.0.0-20190408044501-666a987793e9/go.mod h1:H6x//7gZCb22OMCxBHrMx7a5I7Hp++hsVxbQ4BYO7hU=
 github.com/BurntSushi/toml v0.3.1 h1:WXkYYl6Yr3qBf1K79EBnL4mak0OimBfB0XUf9Vl28OQ=
 github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
@@ -40,10 +55,13 @@
 github.com/chzyer/readline v0.0.0-20180603132655-2972be24d48e/go.mod h1:nSuG5e5PlCu98SY8svDHJxuZscDgtXS6KTTbou5AhLI=
 github.com/chzyer/test v0.0.0-20180213035817-a1ea475d72b1/go.mod h1:Q3SI9o4m/ZMnBNeIyt5eFwwo7qiLfzFZmjNmxjkiQlU=
 github.com/client9/misspell v0.3.4/go.mod h1:qj6jICC3Q7zFZvVWo7KLAzC3yx5G7kyvSDkc90ppPyw=
+github.com/cncf/udpa/go v0.0.0-20191209042840-269d4d468f6f/go.mod h1:M8M6+tZqaGXZJjfX53e64911xZQV5JYwmTeXPW+k8Sc=
 github.com/coreos/go-systemd v0.0.0-20181012123002-c6f51f82210d/go.mod h1:F5haX7vjVVG0kc13fIWeqUViNPyEJxv/OmvnBo0Yme4=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/envoyproxy/go-control-plane v0.9.0/go.mod h1:YTl/9mNaCwkRvm6d1a2C3ymFceY/DCBVvsKhRF0iEA4=
 github.com/envoyproxy/go-control-plane v0.9.1-0.20191026205805-5f8ba28d4473/go.mod h1:YTl/9mNaCwkRvm6d1a2C3ymFceY/DCBVvsKhRF0iEA4=
+github.com/envoyproxy/go-control-plane v0.9.4/go.mod h1:6rpuAdCZL397s3pYoYcLgu1mIlRU8Am5FuJP05cCM98=
 github.com/envoyproxy/protoc-gen-validate v0.1.0/go.mod h1:iSmxcyjqTsJpI2R4NaDN7+kN2VEUnK/pcBlmesArF7c=
 github.com/flynn/go-shlex v0.0.0-20150515145356-3f9db97f8568/go.mod h1:xEzjJPgXI435gkrCt3MPfRiAkVrwSbHsst4LCFVfpJc=
 github.com/gliderlabs/ssh v0.1.1/go.mod h1:U7qILu1NlMHj9FlMhZLlkCdDnU1DBEAqr0aevW3Awn0=
@@ -62,6 +80,7 @@
 github.com/golang/mock v1.3.1/go.mod h1:sBzyDLLjw3U8JLTeZvSv8jJB+tU5PVekmnlKIyFUx0Y=
 github.com/golang/mock v1.4.0/go.mod h1:UOMv5ysSaYNkG+OFQykRIcU/QvvxJf3p21QfJ2Bt3cw=
 github.com/golang/mock v1.4.1/go.mod h1:UOMv5ysSaYNkG+OFQykRIcU/QvvxJf3p21QfJ2Bt3cw=
+github.com/golang/mock v1.4.3/go.mod h1:UOMv5ysSaYNkG+OFQykRIcU/QvvxJf3p21QfJ2Bt3cw=
 github.com/golang/protobuf v1.2.0 h1:P3YflyNX/ehuJFLhxviNdFxQPkGK5cDcApsge1SqnvM=
 github.com/golang/protobuf v1.2.0/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
 github.com/golang/protobuf v1.3.1 h1:YF8+flBXS5eO826T4nzqPrxfhQThhXl0YzfuUPu4SBg=
@@ -70,6 +89,15 @@
 github.com/golang/protobuf v1.3.3/go.mod h1:vzj43D7+SQXF/4pzW/hwtAqwc6iTitCiVSaWz5lYuqw=
 github.com/golang/protobuf v1.3.4 h1:87PNWwrRvUSnqS4dlcBU/ftvOIBep4sYuBLlh6rX2wk=
 github.com/golang/protobuf v1.3.4/go.mod h1:vzj43D7+SQXF/4pzW/hwtAqwc6iTitCiVSaWz5lYuqw=
+github.com/golang/protobuf v1.3.5/go.mod h1:6O5/vntMXwX2lRkT1hjjk0nAC1IDOTvTlVgjlRvqsdk=
+github.com/golang/protobuf v1.4.0-rc.1/go.mod h1:ceaxUfeHdC40wWswd/P6IGgMaK3YpKi5j83Wpe3EHw8=
+github.com/golang/protobuf v1.4.0-rc.1.0.20200221234624-67d41d38c208/go.mod h1:xKAWHe0F5eneWXFV3EuXVDTCmh+JuBKY0li0aMyXATA=
+github.com/golang/protobuf v1.4.0-rc.2/go.mod h1:LlEzMj4AhA7rCAGe4KMBDvJI+AwstrUpVNzEA03Pprs=
+github.com/golang/protobuf v1.4.0-rc.4.0.20200313231945-b860323f09d0/go.mod h1:WU3c8KckQ9AFe+yFwt9sWVRKCVIyN9cPHBJSNnbL67w=
+github.com/golang/protobuf v1.4.0/go.mod h1:jodUvKwWbYaEsadDk5Fwe5c77LiNKVO9IDvqG2KuDX0=
+github.com/golang/protobuf v1.4.1/go.mod h1:U8fpvMrcmy5pZrNK1lt4xCsGvpyWQ/VVv6QDs8UjoX8=
+github.com/golang/protobuf v1.4.2 h1:+Z5KGCizgyZCbGh1KZqA0fcLLkwbsjIzS4aV2v7wJX0=
+github.com/golang/protobuf v1.4.2/go.mod h1:oDoupMAO8OvCJWAcko0GGGIgR6R6ocIYbsSw735rRwI=
 github.com/gomodule/redigo v2.0.0+incompatible h1:K/R+8tc58AaqLkqG2Ol3Qk+DR/TlNuhuh457pBFPtt0=
 github.com/gomodule/redigo v2.0.0+incompatible/go.mod h1:B4C85qUVwatsJoIUNIfCRsp7qO0iAmpGFZ4EELWSbC4=
 github.com/google/btree v0.0.0-20180813153112-4030bb1f1f0c/go.mod h1:lNA+9X1NB3Zf8V7Ke586lFgjr2dZNuvo3lPJSGZ5JPQ=
@@ -81,6 +109,8 @@
 github.com/google/go-cmp v0.3.1/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMywk6iLU=
 github.com/google/go-cmp v0.4.0 h1:xsAVV57WRhGj6kEIi8ReJzQlHHqcBYCElAvkovg3B/4=
 github.com/google/go-cmp v0.4.0/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
+github.com/google/go-cmp v0.4.1 h1:/exdXoGamhu5ONeUJH0deniYLWYvQwW66yvlfiiKTu0=
+github.com/google/go-cmp v0.4.1/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
 github.com/google/go-github v17.0.0+incompatible/go.mod h1:zLgOLi98H3fifZn+44m+umXrS52loVEgC2AApnigrVQ=
 github.com/google/go-querystring v1.0.0/go.mod h1:odCYkC5MyYFN7vkCjXpyrEuKhc/BUO6wN/zVPAxq5ck=
 github.com/google/martian v2.1.0+incompatible h1:/CP5g8u/VJHijgedC/Legn3BAbAaWPgecwXBIDzw5no=
@@ -90,6 +120,8 @@
 github.com/google/pprof v0.0.0-20191218002539-d4f498aebedc/go.mod h1:ZgVRPoUq/hfqzAqh7sHMqb3I9Rq5C59dIz2SbBwJ4eM=
 github.com/google/pprof v0.0.0-20200212024743-f11f1df84d12/go.mod h1:ZgVRPoUq/hfqzAqh7sHMqb3I9Rq5C59dIz2SbBwJ4eM=
 github.com/google/pprof v0.0.0-20200229191704-1ebb73c60ed3/go.mod h1:ZgVRPoUq/hfqzAqh7sHMqb3I9Rq5C59dIz2SbBwJ4eM=
+github.com/google/pprof v0.0.0-20200430221834-fc25d7d30c6d/go.mod h1:ZgVRPoUq/hfqzAqh7sHMqb3I9Rq5C59dIz2SbBwJ4eM=
+github.com/google/pprof v0.0.0-20200507031123-427632fa3b1c/go.mod h1:ZgVRPoUq/hfqzAqh7sHMqb3I9Rq5C59dIz2SbBwJ4eM=
 github.com/google/renameio v0.1.0/go.mod h1:KWCgfxg9yswjAJkECMjeO8J8rahYeXnNhOm40UhjYkI=
 github.com/googleapis/gax-go/v2 v2.0.4/go.mod h1:0Wqv26UfaUD9n4G6kQubkQ+KchISgw+vpHVxEJEs9eg=
 github.com/googleapis/gax-go/v2 v2.0.5 h1:sjZBwGj9Jlw33ImPtvFviGYvseOtDM7hkSKB7+Tv3SM=
@@ -118,14 +150,17 @@
 github.com/stretchr/testify v1.4.0/go.mod h1:j7eGeouHqKxXV5pUuKE4zz7dFj8WfuZ+81PSLYec5m4=
 github.com/stretchr/testify v1.5.1/go.mod h1:5W2xD1RspED5o8YsWQXVCued0rvSQ+mT+I5cxcmMvtA=
 github.com/tarm/serial v0.0.0-20180830185346-98f6abe2eb07/go.mod h1:kDXzergiv9cbyO7IOYJZWg1U88JhDg3PB6klq9Hg2pA=
-github.com/yuin/goldmark v1.1.22 h1:0e0f6Zee9SAQ5yOZGNMWaOxqVvcc/9/kUWu/Kl91Jk8=
-github.com/yuin/goldmark v1.1.22/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=
+github.com/yuin/goldmark v1.1.25/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=
+github.com/yuin/goldmark v1.1.27 h1:nqDD4MMMQA0lmWq03Z2/myGPYLQoXtmi0rGVs95ntbo=
+github.com/yuin/goldmark v1.1.27/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=
 go.opencensus.io v0.21.0/go.mod h1:mSImk1erAIZhrmZN+AvHh14ztQfjbGwt4TtuofqLduU=
 go.opencensus.io v0.22.0 h1:C9hSCOW830chIVkdja34wa6Ky+IzWllkUinR+BtRZd4=
 go.opencensus.io v0.22.0/go.mod h1:+kGneAE2xo2IficOXnaByMWTGM9T73dGwxeWcUqIpI8=
 go.opencensus.io v0.22.2/go.mod h1:yxeiOL68Rb0Xd1ddK5vPZ/oVn4vY4Ynel7k9FzqtOIw=
 go.opencensus.io v0.22.3 h1:8sGtKOrtQqkN1bp2AtX+misvLIlOmsEsNd+9NIcPEm8=
 go.opencensus.io v0.22.3/go.mod h1:yxeiOL68Rb0Xd1ddK5vPZ/oVn4vY4Ynel7k9FzqtOIw=
+go.opencensus.io v0.22.4 h1:LYy1Hy3MJdrCdMwwzxA/dRok4ejH+RwNGbuoD9fCjto=
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@@ -166,6 +201,8 @@
 golang.org/x/mod v0.1.1-0.20191107180719-034126e5016b/go.mod h1:QqPTAvyqsEbceGzBzNggFXnrqF1CaUcvgkdR5Ot7KZg=
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 golang.org/x/mod v0.2.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
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 golang.org/x/net v0.0.0-20180724234803-3673e40ba225/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20180826012351-8a410e7b638d/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
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@@ -187,6 +224,14 @@
 golang.org/x/net v0.0.0-20200226121028-0de0cce0169b/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
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 golang.org/x/oauth2 v0.0.0-20180821212333-d2e6202438be/go.mod h1:N/0e6XlmueqKjAGxoOufVs8QHGRruUQn6yWY3a++T0U=
 golang.org/x/oauth2 v0.0.0-20190226205417-e64efc72b421/go.mod h1:gOpvHmFTYa4IltrdGE7lF6nIHvwfUNPOp7c8zoXwtLw=
 golang.org/x/oauth2 v0.0.0-20190604053449-0f29369cfe45 h1:SVwTIAaPC2U/AvvLNZ2a7OVsmBpC8L5BlwK1whH3hm0=
@@ -204,6 +249,8 @@
 golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20190911185100-cd5d95a43a6e h1:vcxGaoTs7kV8m5Np9uUNQin4BrLOthgV7252N8V+FwY=
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@@ -225,11 +272,22 @@
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@@ -262,8 +320,19 @@
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@@ -278,8 +347,15 @@
 google.golang.org/api v0.15.0/go.mod h1:iLdEw5Ide6rF15KTC1Kkl0iskquN2gFfn9o9XIsbkAI=
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 google.golang.org/api v0.18.0/go.mod h1:BwFmGc8tA3vsd7r/7kR8DY7iEEGSU04BFxCo5jP/sfE=
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@@ -288,6 +364,8 @@
 google.golang.org/appengine v1.6.1/go.mod h1:i06prIuMbXzDqacNJfV5OdTW448YApPu5ww/cMBSeb0=
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@@ -306,17 +384,43 @@
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 google.golang.org/grpc v1.23.0/go.mod h1:Y5yQAOtifL1yxbo5wqy6BxZv8vAUGQwXBOALyacEbxg=
+google.golang.org/grpc v1.25.1/go.mod h1:c3i+UQWmh7LiEpx4sFZnkU36qjEYZ0imhYfXVyQciAY=
 google.golang.org/grpc v1.26.0/go.mod h1:qbnxyOmOxrQa7FizSgH+ReBfzJrCY1pSN7KXBS8abTk=
 google.golang.org/grpc v1.27.0/go.mod h1:qbnxyOmOxrQa7FizSgH+ReBfzJrCY1pSN7KXBS8abTk=
 google.golang.org/grpc v1.27.1 h1:zvIju4sqAGvwKspUQOhwnpcqSbzi7/H6QomNNjTL4sk=
 google.golang.org/grpc v1.27.1/go.mod h1:qbnxyOmOxrQa7FizSgH+ReBfzJrCY1pSN7KXBS8abTk=
+google.golang.org/grpc v1.28.0/go.mod h1:rpkK4SK4GF4Ach/+MFLZUBavHOvF2JJB5uozKKal+60=
+google.golang.org/grpc v1.29.1 h1:EC2SB8S04d2r73uptxphDSUG+kTKVgjRPF+N3xpxRB4=
+google.golang.org/grpc v1.29.1/go.mod h1:itym6AZVZYACWQqET3MqgPpjcuV5QH3BxFS3IjizoKk=
+google.golang.org/protobuf v0.0.0-20200109180630-ec00e32a8dfd/go.mod h1:DFci5gLYBciE7Vtevhsrf46CRTquxDuWsQurQQe4oz8=
+google.golang.org/protobuf v0.0.0-20200221191635-4d8936d0db64/go.mod h1:kwYJMbMJ01Woi6D6+Kah6886xMZcty6N08ah7+eCXa0=
+google.golang.org/protobuf v0.0.0-20200228230310-ab0ca4ff8a60/go.mod h1:cfTl7dwQJ+fmap5saPgwCLgHXTUD7jkjRqWcaiX5VyM=
+google.golang.org/protobuf v1.20.1-0.20200309200217-e05f789c0967/go.mod h1:A+miEFZTKqfCUM6K7xSMQL9OKL/b6hQv+e19PK+JZNE=
+google.golang.org/protobuf v1.21.0/go.mod h1:47Nbq4nVaFHyn7ilMalzfO3qCViNmqZ2kzikPIcrTAo=
+google.golang.org/protobuf v1.22.0/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2l/sGQquU=
+google.golang.org/protobuf v1.23.0/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2l/sGQquU=
+google.golang.org/protobuf v1.23.1-0.20200526195155-81db48ad09cc/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2l/sGQquU=
+google.golang.org/protobuf v1.24.0 h1:UhZDfRO8JRQru4/+LlLE0BRKGF8L+PICnvYZmx/fEGA=
+google.golang.org/protobuf v1.24.0/go.mod h1:r/3tXBNzIEhYS9I1OUVjXDlt8tc493IdKGjtUeSXeh4=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/errgo.v2 v2.1.0/go.mod h1:hNsd1EY+bozCKY1Ytp96fpM3vjJbqLJn88ws8XvfDNI=
@@ -331,6 +435,8 @@
 honnef.co/go/tools v0.0.1-2019.2.3/go.mod h1:a3bituU0lyd329TUQxRnasdCoJDkEUEAqEt0JzvZhAg=
 honnef.co/go/tools v0.0.1-2020.1.3 h1:sXmLre5bzIR6ypkjXCDI3jHPssRhc8KD/Ome589sc3U=
 honnef.co/go/tools v0.0.1-2020.1.3/go.mod h1:X/FiERA/W4tHapMX5mGpAtMSVEeEUOyHaw9vFzvIQ3k=
+honnef.co/go/tools v0.0.1-2020.1.4 h1:UoveltGrhghAA7ePc+e+QYDHXrBps2PqFZiHkGR/xK8=
+honnef.co/go/tools v0.0.1-2020.1.4/go.mod h1:X/FiERA/W4tHapMX5mGpAtMSVEeEUOyHaw9vFzvIQ3k=
 rsc.io/binaryregexp v0.2.0/go.mod h1:qTv7/COck+e2FymRvadv62gMdZztPaShugOCi3I+8D8=
 rsc.io/quote/v3 v3.1.0/go.mod h1:yEA65RcK8LyAZtP9Kv3t0HmxON59tX3rD+tICJqUlj0=
 rsc.io/sampler v1.3.0/go.mod h1:T1hPZKmBbMNahiBKFy5HrXp6adAjACjK9JXDnKaTXpA=
diff --git a/internal/memcache/memcache.go b/internal/memcache/memcache.go
index be350f6..25d5a62 100644
--- a/internal/memcache/memcache.go
+++ b/internal/memcache/memcache.go
@@ -2,8 +2,6 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
-// +build golangorg
-
 // Package memcache provides a minimally compatible interface for
 // google.golang.org/appengine/memcache
 // and stores the data in Redis (e.g., via Cloud Memorystore).
diff --git a/internal/memcache/memcache_test.go b/internal/memcache/memcache_test.go
index 49602f7..74f6ade 100644
--- a/internal/memcache/memcache_test.go
+++ b/internal/memcache/memcache_test.go
@@ -2,8 +2,6 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
-// +build golangorg
-
 package memcache
 
 import (
diff --git a/internal/short/short.go b/internal/short/short.go
index 5410a22..a7a1507 100644
--- a/internal/short/short.go
+++ b/internal/short/short.go
@@ -2,11 +2,8 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
-// +build golangorg
-
-// Package short implements a simple URL shortener, serving an administrative
-// interface at /s and shortened urls from /s/key.
-// It is designed to run only on the instance of godoc that serves golang.org.
+// Package short implements a simple URL shortener, serving shortened urls
+// from /s/key. An administrative handler is provided for other services to use.
 package short
 
 // TODO(adg): collect statistics on URL visits
@@ -16,7 +13,6 @@
 	"errors"
 	"fmt"
 	"html/template"
-	"io"
 	"log"
 	"net/http"
 	"net/url"
@@ -25,7 +21,6 @@
 
 	"cloud.google.com/go/datastore"
 	"golang.org/x/website/internal/memcache"
-	"google.golang.org/appengine/user"
 )
 
 const (
@@ -46,19 +41,16 @@
 	memcache  *memcache.CodecClient
 }
 
-func RegisterHandlers(mux *http.ServeMux, dc *datastore.Client, mc *memcache.Client) {
-	s := server{dc, mc.WithCodec(memcache.JSON)}
-	mux.HandleFunc(prefix+"/", s.linkHandler)
+func newServer(dc *datastore.Client, mc *memcache.Client) *server {
+	return &server{
+		datastore: dc,
+		memcache:  mc.WithCodec(memcache.JSON),
+	}
+}
 
-	// TODO(cbro): move storage of the links to a text file in Gerrit.
-	// Disable the admin handler until that happens, since GAE Flex doesn't support
-	// the "google.golang.org/appengine/user" package.
-	// See golang.org/issue/29988 and golang.org/issue/27205#issuecomment-418673218.
-	// mux.HandleFunc(prefix, adminHandler)
-	mux.HandleFunc(prefix, func(w http.ResponseWriter, r *http.Request) {
-		w.WriteHeader(http.StatusForbidden)
-		io.WriteString(w, "Link creation temporarily unavailable. See golang.org/issue/29988.")
-	})
+func RegisterHandlers(mux *http.ServeMux, dc *datastore.Client, mc *memcache.Client) {
+	s := newServer(dc, mc)
+	mux.HandleFunc(prefix+"/", s.linkHandler)
 }
 
 // linkHandler services requests to short URLs.
@@ -123,17 +115,21 @@
 	return key, remainingPath, nil
 }
 
+// AdminHandler serves an administrative interface for managing shortener entries.
+// Be careful. It is the caller’s responsibility to ensure that the handler is
+// only exposed to authorized users.
+func AdminHandler(dc *datastore.Client, mc *memcache.Client) http.HandlerFunc {
+	s := newServer(dc, mc)
+	return s.adminHandler
+}
+
 var adminTemplate = template.Must(template.New("admin").Parse(templateHTML))
 
 // adminHandler serves an administrative interface.
+// Be careful. Ensure that this handler is only be exposed to authorized users.
 func (h server) adminHandler(w http.ResponseWriter, r *http.Request) {
 	ctx := r.Context()
 
-	if !user.IsAdmin(ctx) {
-		http.Error(w, "forbidden", http.StatusForbidden)
-		return
-	}
-
 	var newLink *Link
 	var doErr error
 	if r.Method == "POST" {
diff --git a/internal/short/short_test.go b/internal/short/short_test.go
index f50ece9..f0ed0dc 100644
--- a/internal/short/short_test.go
+++ b/internal/short/short_test.go
@@ -2,8 +2,6 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
-// +build golangorg
-
 package short
 
 import (
diff --git a/internal/short/tmpl.go b/internal/short/tmpl.go
index c6b6d7f..ba16298 100644
--- a/internal/short/tmpl.go
+++ b/internal/short/tmpl.go
@@ -6,22 +6,24 @@
 
 const templateHTML = `
 <!doctype HTML>
-<html>
-<head>
+<html lang="en">
 <title>golang.org URL shortener</title>
 <style>
+* {
+	box-sizing: border-box;
+}
 body {
-	background: white;
+	font-family: system-ui, sans-serif;
 }
 input {
 	border: 1px solid #ccc;
 }
-input[type=text] {
+input[type=text],
+input[type=url] {
 	width: 400px;
 }
 input, td, th {
 	color: #333;
-	font-family: Georgia, Times New Roman, serif;
 }
 input, td {
 	font-size: 14pt;
@@ -42,18 +44,15 @@
 	margin-right: auto;
 }
 </style>
-</head>
-<body>
-
 <table>
 
 {{with .Error}}
-<tr>
-	<th colspan="3">Error</th>
-</tr>
-<tr>
-	<td class="error" colspan="3">{{.}}</td>
-</tr>
+	<tr>
+		<th colspan="3">Error</th>
+	</tr>
+	<tr>
+		<td class="error" colspan="3">{{.}}</td>
+	</tr>
 {{end}}
 
 <tr>
@@ -62,58 +61,50 @@
 	<th></th>
 </tr>
 
-<form method="POST" action="{{.Prefix}}">
+<form method="POST">
 <tr>
-	<td><input type="text" name="key"{{with .New}} value="{{.Key}}"{{end}}></td>
-	<td><input type="text" name="target"{{with .New}} value="{{.Target}}"{{end}}></td>
+	<td><input type="text" name="key"{{with .New}} value="{{.Key}}"{{end}} required></td>
+	<td><input type="url" name="target"{{with .New}} value="{{.Target}}"{{end}} required></td>
 	<td><input type="submit" name="do" value="Add">
 </tr>
 </form>
 
 {{with .Links}}
-<tr>
-	<th>Short Link</th>
-	<th>&nbsp;</th>
-	<th>&nbsp;</th>
-</tr>
-{{range .}}
-<tr>
-	<td><input class="autoselect" type="text" orig="{{$.BaseURL}}/{{.Key}}" value="{{$.BaseURL}}/{{.Key}}"></td>
-	<td><input class="autoselect" type="text" orig="{{.Target}}" value="{{.Target}}"></td>
-	<td>
-		<form method="POST" action="{{$.Prefix}}">
-			<input type="hidden" name="key" value="{{.Key}}">
-			<input type="submit" name="do" value="Delete" class="delete">
-		</form>
-	</td>
-</tr>
+	<tr>
+		<th>Short Link</th>
+		<th>&nbsp;</th>
+		<th>&nbsp;</th>
+	</tr>
+	{{range .}}
+		<tr>
+			<td><input class="autoselect" type="text" value="{{$.BaseURL}}/{{.Key}}" readonly></td>
+			<td><input class="autoselect" type="text" value="{{.Target}}" readonly></td>
+			<td>
+				<form method="POST">
+					<input type="hidden" name="key" value="{{.Key}}">
+					<input type="submit" name="do" value="Delete" class="delete">
+				</form>
+			</td>
+		</tr>
+	{{end}}
 {{end}}
-{{end}}
-
 </table>
-
-</body>
-<script type="text/javascript" src="https://ajax.googleapis.com/ajax/libs/jquery/1.8.2/jquery.min.js"></script>
-<script type="text/javascript">window.jQuery || document.write(unescape("%3Cscript src='/doc/jquery.js' type='text/javascript'%3E%3C/script%3E"));</script>
 <script>
-$(document).ready(function() {
-	$('.autoselect').each(function() {
-		$(this).click(function() {
-			$(this).select();
-		});
-		$(this).change(function() {
-			$(this).val($(this).attr('orig'));
-		});
-	});
-	$('.delete').click(function(e) {
-		var link = $(this).closest('tr').find('input').first().val();
-		var ok = confirm('Delete this link?\n' + link);
-		if (!ok) {
-			e.preventDefault();
-			return false;
-		}
+document.querySelectorAll('.autoselect').forEach(el => {
+	el.addEventListener('click', e => {
+		e.target.select();
 	});
 });
+
+const baseURL = '{{$.BaseURL}}';
+document.querySelectorAll('.delete').forEach(el => {
+	el.addEventListener('click', e => {
+		const key = e.target.form.elements['key'].value;
+		if (!confirm('Delete this link?\n' + baseURL + '/' + key)) {
+			e.preventDefault();
+			return;
+		}
+	})
+});
 </script>
-</html>
 `