diff --git a/ci-root.nix b/ci-root.nix
index 54f4e9a8fd..c789b35039 100644
--- a/ci-root.nix
+++ b/ci-root.nix
@@ -9,6 +9,11 @@ let
   prefixAttrs = prefix: lib.mapAttrsToList (name: value: { name = "${prefix}-${name}"; path = value; });
   ciMachines = prefixAttrs "machine" depot.ops.nixos;
   ciPackages = prefixAttrs "pkg" depot.nix.pkgs;
-in
-pkgs.linkFarm "ci" (ciMachines ++ ciPackages)
+
+  ciOther = prefixAttrs "other" {
+    twitterchiver = depot.go.twitterchiver;
+    twitterchiverDocker = depot.go.twitterchiver.dockerImage;
+  };
+in
+pkgs.linkFarm "ci" (ciMachines ++ ciPackages ++ ciOther)
 
diff --git a/default.nix b/default.nix
index a0e093f50a..805f49b9f1 100644
--- a/default.nix
+++ b/default.nix
@@ -19,6 +19,7 @@ in fix (self:
     ops = import ./ops ch;
     nix = import ./nix ch;
     web = import ./web ch;
+    go = import ./go ch;
 
     lib = self.third_party.nixpkgs.lib;
 
diff --git a/go/default.nix b/go/default.nix
new file mode 100644
index 0000000000..ed3dc09233
--- /dev/null
+++ b/go/default.nix
@@ -0,0 +1,7 @@
+# SPDX-FileCopyrightText: 2020 Luke Granger-Brown <depot@lukegb.com>
+#
+# SPDX-License-Identifier: Apache-2.0
+
+args: {
+  twitterchiver = import ./twitterchiver args;
+}
diff --git a/go/twitterchiver/archiver/Dockerfile b/go/twitterchiver/archiver/Dockerfile
index d713a57269..2fb5c0b11d 100644
--- a/go/twitterchiver/archiver/Dockerfile
+++ b/go/twitterchiver/archiver/Dockerfile
@@ -1,3 +1,6 @@
+# SPDX-FileCopyrightText: 2020 Luke Granger-Brown <depot@lukegb.com>
+# SPDX-License-Identifier: Apache-2.0
+
 FROM golang:1.13-buster as build
 
 RUN mkdir /go/src/app
diff --git a/go/twitterchiver/archiver/archiver.go b/go/twitterchiver/archiver/archiver.go
index 70f26f8aef..94f57e5788 100644
--- a/go/twitterchiver/archiver/archiver.go
+++ b/go/twitterchiver/archiver/archiver.go
@@ -1,3 +1,6 @@
+// SPDX-FileCopyrightText: 2020 Luke Granger-Brown <depot@lukegb.com>
+//
+// SPDX-License-Identifier: Apache-2.0
 package main
 
 import (
diff --git a/go/twitterchiver/archiver/schema.sql b/go/twitterchiver/archiver/schema.sql
index 43e0f78e3b..70299b2227 100644
--- a/go/twitterchiver/archiver/schema.sql
+++ b/go/twitterchiver/archiver/schema.sql
@@ -1,3 +1,7 @@
+-- SPDX-FileCopyrightText: 2020 Luke Granger-Brown <depot@lukegb.com>
+--
+-- SPDX-License-Identifier: Apache-2.0
+
 CREATE TABLE tweets (
 	id BIGINT NOT NULL,
 	text TEXT NOT NULL,
diff --git a/go/twitterchiver/default.nix b/go/twitterchiver/default.nix
new file mode 100644
index 0000000000..af1bfe8f69
--- /dev/null
+++ b/go/twitterchiver/default.nix
@@ -0,0 +1,12 @@
+# SPDX-FileCopyrightText: 2020 Luke Granger-Brown <depot@lukegb.com>
+#
+# SPDX-License-Identifier: Apache-2.0
+
+{ depot, ... }: depot.third_party.buildGo.program {
+  name = "twitterchiver";
+  srcs = [ ./archiver/archiver.go ];
+  deps = [
+    depot.third_party.gopkgs."github.com".dghubble.oauth1
+    depot.third_party.gopkgs."github.com".jackc.pgx.v4
+  ];
+}
diff --git a/go/twitterchiver/go.mod b/go/twitterchiver/go.mod
index af962fe27c..456af944e6 100644
--- a/go/twitterchiver/go.mod
+++ b/go/twitterchiver/go.mod
@@ -1,3 +1,7 @@
+// SPDX-FileCopyrightText: 2020 Luke Granger-Brown <depot@lukegb.com>
+//
+// SPDX-License-Identifier: Apache-2.0
+
 module github.com/lukegb/twitterchiver
 
 go 1.14
diff --git a/go/twitterchiver/go.sum.license b/go/twitterchiver/go.sum.license
new file mode 100644
index 0000000000..2f3858abae
--- /dev/null
+++ b/go/twitterchiver/go.sum.license
@@ -0,0 +1,2 @@
+SPDX-FileCopyrightText: 2020 Luke Granger-Brown <depot@lukegb.com>
+SPDX-License-Identifier: Apache-2.0