cleaned Docker process

Dockerfile

@@ -1,5 +0,0 @@
-FROM scratch
-
-ADD bottin.static /bottin
-
-ENTRYPOINT ["/bottin"]

README.md

@@ -24,7 +24,7 @@ Features:
 - Access control through an ACL (hardcoded in the configuration file)
 
 
-A Docker image is provided on the [Docker hub](https://hub.docker.com/r/lxpz/bottin_amd64).
+A Docker image is provided on the [Docker hub](https://hub.docker.com/r/dxflrs/bottin) (built in `default.nix`).
 An example for running Bottin on a Nomad cluster can be found in `bottin.hcl.example`.
 
 Bottin takes a single command line argument, `-config <filename>`, which is the
@@ -53,7 +53,7 @@ nix-build -A docker
 
 ```bash
 docker load < $(nix-build -A docker)
-docker push ???
+docker push dxflrs/bottin:???
 ```
 
 ## Server initialization

default.nix

@@ -48,7 +48,8 @@ in rec {
   docker = pkgs.dockerTools.buildImage {
     name = "dxflrs/bottin";
     config = {
-      Cmd = [ "${pkg}/bottin" ];
+      Entrypoint = [ "${pkg}/bottin" ];
+      WorkingDir = "/";
     };
   };
 }