diff --git a/README.md b/README.md
index 9751fab..449017f 100644
--- a/README.md
+++ b/README.md
@@ -40,6 +40,13 @@ nix-build -A pkg # build the binary and add the ressources
 nix-build -A docker # build a docker container
 ```
 
+Publishing the container:
+
+```bash
+docker load < $(nix-build -A docker)
+docker push ???
+```
+
 ## Configuration of Guichet
 
 Guichet is configured using a simple JSON config file which is a dictionnary whose keys
diff --git a/default.nix b/default.nix
index cd17475..3cafd8c 100644
--- a/default.nix
+++ b/default.nix
@@ -38,7 +38,10 @@ in rec {
       cp -r templates static $out/
     '';
   };
-  /*docker = pkgs.xxx {
-  
-  };*/
+  docker = pkgs.dockerTools.buildImage {
+    name = "dxflrs/guichet";
+    config = {
+      Cmd = [ "${pkg}/guichet" ];
+    };
+  };
 }