diff --git a/publisher/src/net/deertopia/publisher/config.clj b/publisher/src/net/deertopia/publisher/config.clj
index 3f5224d..096d9a9 100644
--- a/publisher/src/net/deertopia/publisher/config.clj
+++ b/publisher/src/net/deertopia/publisher/config.clj
@@ -17,9 +17,12 @@
 (def read-config (doerg-config/make-read-config ::p/config))
 
 (def default
-  (-> "net/deertopia/publisher/config.edn"
-      io/resource
-      (read-config (System/getProperty "net.deertopia.publisher.config")
-                   (System/getenv "DOERG_PUBLISHER_CONFIG"))))
+  (read-config
+   ;; Default config.
+   (io/resource "net/deertopia/publisher/config.edn")
+   ;; Defaults set at build time, if any.
+   (System/getProperty "net.deertopia.publisher.config")
+   ;; Config set at runtime.
+   (System/getenv "DOERG_PUBLISHER_CONFIG")))
 
 (def ^:dynamic *cfg* default)