diff --git a/doerg/default.nix b/doerg/default.nix
index 5c24894..e743654 100644
--- a/doerg/default.nix
+++ b/doerg/default.nix
@@ -7,6 +7,7 @@
 , fake-git
 , our-tex ? callPackage ./our-tex.nix {}
 , makeWrapper
+, writeText
 }:
 
 let
@@ -23,11 +24,23 @@ let
   plex = ibm-plex-web.override {
     families = [ "math" "serif" "sans" "sans-kr" ];
   };
+
   bin-path = lib.makeBinPath [
     doerg-parser
     our-tex
     doerg-temml-worker
   ];
+
+  doerg-config = writeText "doerg-config.edn" ''
+    tee $out <<EOF
+    #:net.deertopia.doerg
+    {:ibm-plex-web "${ibm-plex-web}"
+     :latex "${lib.getExe' our-tex "xelatex"}"
+     :dvisvgm "${lib.getExe' our-tex "xelatex"}"
+     :doerg-temml-worker "${lib.getExe doerg-temml-worker}"
+     :doerg-parser "${lib.getExe doerg-parser}"}
+    EOF
+  '';
 in mkCljBin' {
   name = "net.deertopia/doerg";
   version = "0.1.0";
@@ -50,12 +63,9 @@ in mkCljBin' {
     plex
     our-tex
   ];
+  java-opts = [ "-Dnet.deertopia.doerg.config=${doerg-config}" ];
   doCheck = true;
   checkPhase = ''
     clojure -M:test
   '';
-  postInstall = ''
-    wrapProgram $out/bin/doerg \
-      --prefix PATH : ${bin-path}
-  '';
 }
diff --git a/doerg/doerg-parser/default.nix b/doerg/doerg-parser/default.nix
index cb76bdd..ed3fd04 100644
--- a/doerg/doerg-parser/default.nix
+++ b/doerg/doerg-parser/default.nix
@@ -10,4 +10,5 @@ buildNpmPackage {
   npmDeps = importNpmLock { npmRoot = ./.; };
   npmConfigHook = importNpmLock.npmConfigHook;
   dontNpmBuild = true;
+  meta.mainProgram = "doerg-parser";
 }
diff --git a/doerg/doerg-temml-worker/default.nix b/doerg/doerg-temml-worker/default.nix
index f57aa33..4980605 100644
--- a/doerg/doerg-temml-worker/default.nix
+++ b/doerg/doerg-temml-worker/default.nix
@@ -18,4 +18,5 @@ buildNpmPackage {
   npmDeps = importNpmLock { npmRoot = ./.; };
   npmConfigHook = importNpmLock.npmConfigHook;
   dontNpmBuild = true;
+  meta.mainProgram = "doerg-temml-worker";
 }
diff --git a/doerg/src/net/deertopia/doerg/config.clj b/doerg/src/net/deertopia/doerg/config.clj
index 60c14ad..8f68d52 100644
--- a/doerg/src/net/deertopia/doerg/config.clj
+++ b/doerg/src/net/deertopia/doerg/config.clj
@@ -59,7 +59,9 @@
 
 (def default
   (let [r (-> "net/deertopia/doerg/config.edn"
-              io/resource (read-config (System/getenv "DOERG_CONFIG")))]
+              io/resource
+              (read-config (System/getProperty "net.deertopia.doerg.config")
+                           (System/getenv "DOERG_CONFIG")))]
     (if (s/invalid? r)
       (throw (IllegalArgumentException.
               "default config is bad!"))
diff --git a/publisher/default.nix b/publisher/default.nix
index 9f757d9..f8da10b 100644
--- a/publisher/default.nix
+++ b/publisher/default.nix
@@ -9,7 +9,9 @@ mkCljBin {
   projectSrc = ./.;
   lockfile = ../deps-lock.json;
   main-ns = "net.deertopia.publisher.main";
-  buildInputs = [];
+  buildInputs = [
+    doerg
+  ];
   nativeBuildInputs = [
     babashka
   ];
diff --git a/publisher/override_deps.bb b/publisher/override_deps.bb
index 3a0899a..d6ebe39 100644
--- a/publisher/override_deps.bb
+++ b/publisher/override_deps.bb
@@ -20,7 +20,9 @@
   (loop [os (seq overrides)
          loc zloc]
     (if-some [[[k v] & xs] os]
-      (recur xs (z/assoc loc k v))
+      (do (printf "override dep %s with %s\n"
+                  (pr-str k) (pr-str v))
+          (recur xs (z/assoc loc k v)))
       loc)))
 
 (defn args->overrides [args]
diff --git a/publisher/src/net/deertopia/publisher/config.clj b/publisher/src/net/deertopia/publisher/config.clj
index 6c6661a..3f5224d 100644
--- a/publisher/src/net/deertopia/publisher/config.clj
+++ b/publisher/src/net/deertopia/publisher/config.clj
@@ -19,6 +19,7 @@
 (def default
   (-> "net/deertopia/publisher/config.edn"
       io/resource
-      (read-config (System/getenv "DOERG_PUBLISHER_CONFIG"))))
+      (read-config (System/getProperty "net.deertopia.publisher.config")
+                   (System/getenv "DOERG_PUBLISHER_CONFIG"))))
 
 (def ^:dynamic *cfg* default)