diff --git a/config.js b/config.js
index f85e9c0..f481d86 100644
--- a/config.js
+++ b/config.js
@@ -230,7 +230,7 @@ module.exports = {
      *  Specify a directory where files should be stored.
      *  It will be created automatically if it does not already exist.
      */
-    filePath: '/data/files',
+    filePath: '/cryptpad/data/files',
 
     /*  CryptPad offers the ability to archive data for a configurable period
      *  before deleting it, allowing a means of recovering data in the event
@@ -239,41 +239,41 @@ module.exports = {
      *  To set the location of this archive directory to a custom value, change
      *  the path below:
      */
-    archivePath: '/data/archive',
+    archivePath: '/cryptpad/data/archive',
 
     /*  CryptPad allows logged in users to request that particular documents be
      *  stored by the server indefinitely. This is called 'pinning'.
      *  Pin requests are stored in a pin-store. The location of this store is
      *  defined here.
      */
-    pinPath: '/data/pins',
+    pinPath: '/cryptpad/data/pins',
 
     /*  if you would like the list of scheduled tasks to be stored in
         a custom location, change the path below:
     */
-    taskPath: '/data/tasks',
+    taskPath: '/cryptpad/data/tasks',
 
     /*  if you would like users' authenticated blocks to be stored in
         a custom location, change the path below:
     */
-    blockPath: '/data/block',
+    blockPath: '/cryptpad/data/block',
 
     /*  CryptPad allows logged in users to upload encrypted files. Files/blobs
      *  are stored in a 'blob-store'. Set its location here.
      */
-    blobPath: '/data/blob',
+    blobPath: '/cryptpad/data/blob',
 
     /*  CryptPad stores incomplete blobs in a 'staging' area until they are
      *  fully uploaded. Set its location here.
      */
-    blobStagingPath: '/data/blobstage',
+    blobStagingPath: '/cryptpad/data/blobstage',
 
-    decreePath: '/data/decrees',
+    decreePath: '/cryptpad/data/decrees',
 
     /* CryptPad supports logging events directly to the disk in a 'logs' directory
      * Set its location here, or set it to false (or nothing) if you'd rather not log
      */
-    logPath: '/data/logs',
+    logPath: '/cryptpad/data/logs',
 
     /* =====================
      *       Debugging
diff --git a/default.nix b/default.nix
index 1bab94c..ce694aa 100644
--- a/default.nix
+++ b/default.nix
@@ -91,7 +91,13 @@ in buildNpmPackage rec {
     ln -s $onlyOffice www/common/onlyoffice/dist
   '';
 
+  postBuild = ''
+    rm -rf customize
+  '';
+
   installPhase = ''
+    runHook preInstall
+
     mkdir -p $out
     cp -R . $out/
 
@@ -101,6 +107,8 @@ in buildNpmPackage rec {
     makeWrapper ${lib.getExe nodejs} $out/bin/cryptpad-server \
       --chdir $out \
       --add-flags server.js
+
+    runHook postInstall
   '';
 
   meta = {
diff --git a/deuxfleurs.nix b/deuxfleurs.nix
index 8b38d06..22d97b5 100644
--- a/deuxfleurs.nix
+++ b/deuxfleurs.nix
@@ -1,10 +1,10 @@
-let
+{ name ? "deuxfleurs/cryptpad"
+, tag ? "nix-latest"
+}: let
   sources = import ./nix/sources.nix;
   pkgs = import sources.nixpkgs {};
 in rec {
-  cryptpad = pkgs.callPackage ./default.nix {
-    withOnlyOffice = false;
-  };
+  cryptpad = pkgs.callPackage ./default.nix {};
   docker = pkgs.callPackage ./docker.nix {
     inherit cryptpad;
   };
diff --git a/docker-compose.yml b/docker-compose.yml
index 12aa041..2044f28 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -2,11 +2,12 @@ services:
   app:
     image: cryptpad:nix-latest
     environment:
-      CRYPTPAD_CONFIG: '/config.js'
+      CRYPTPAD_CONFIG: '/cryptpad/config.js'
     ports:
       - '3000:3000'
       - '3001:3001'
       - '3003:3003'
     volumes:
-      - ./config.js:/config.js:ro
-      - ./_data:/data
+      - ./config.js:/cryptpad/config.js:ro
+      - ./_customize:/cryptpad/customize:ro
+      - ./_data:/cryptpad/data
diff --git a/docker.nix b/docker.nix
index 9dce71e..16bb134 100644
--- a/docker.nix
+++ b/docker.nix
@@ -1,17 +1,27 @@
 { pkgs ? import <nixpkgs> {}
+
 , name ? "cryptpad"
 , tag ? "nix-latest"
+
 , withOnlyOffice ? true
-, cryptpad ? pkgs.callPackage ./default.nix {
-  inherit withOnlyOffice;
-}
-}:
-pkgs.dockerTools.buildImage {
+
+, cryptpad ? pkgs.callPackage ./default.nix { inherit withOnlyOffice; }
+}: let
+  cryptpad' = cryptpad.overrideAttrs {
+    postInstall = ''
+      ln -sf /cryptpad/customize $out/customize
+    '';
+  };
+in pkgs.dockerTools.buildImage {
   inherit name tag;
 
   config = {
     Cmd = [
-      (pkgs.lib.getExe cryptpad)
+      (pkgs.lib.getExe cryptpad')
     ];
+
+    Volumes = {
+      "/cryptpad/customize" = {};
+    };
   };
 }
diff --git a/nix/sources.nix b/nix/sources.nix
index fe3dadf..9e7db84 100644
--- a/nix/sources.nix
+++ b/nix/sources.nix
@@ -186,7 +186,7 @@ let
     , sources ? if sourcesFile == null then { } else builtins.fromJSON (builtins.readFile sourcesFile)
     , system ? builtins.currentSystem
     , pkgs ? mkPkgs sources system
-    }: rec {
+    }: {
       # The sources, i.e. the attribute set of spec name to spec
       inherit sources;