diff --git a/fly.toml b/fly.toml
index c5f7ae8..80f18d1 100644
--- a/fly.toml
+++ b/fly.toml
@@ -4,7 +4,7 @@
 #
 
 app = "jdtw"
-primary_region = "sea"
+primary_region = "sjc"
 kill_signal = "SIGINT"
 kill_timeout = "5s"
 
@@ -14,6 +14,13 @@ kill_timeout = "5s"
 [env]
   SKEW = "5s"
 
+# Backing store for the SQLite database named by the SQLITE_PATH secret.
+# The volume lives in sjc, matching the machine; a volume in another region
+# cannot attach.
+[[mounts]]
+  source = "links_data"
+  destination = "/data"
+
 [[services]]
   protocol = "tcp"
   internal_port = 8080