Fix fdroid update in the container

flake.nix

@@ -46,19 +46,20 @@
       tag = "latest";
 
       contents = with pkgs; [
-        coreutils
-        bashInteractive
-        caddy
         dockerTools.fakeNss # Provides fake /etc/passwd for basic user emulation
         dockerTools.usrBinEnv
         dockerTools.binSh
         dockerTools.caCertificates
-
+        coreutils
+        bashInteractive
+        caddy
         fdroidserver
         jq
         curl
         sops
         git
+        rsync
+        busybox
       ];
 
       config = {
@@ -67,6 +68,9 @@
         ExposedPorts = {
           "8080/tcp" = {};
         };
+        Env = [
+          "PATH=/bin:${pkgs.jdk21_headless}/bin"
+        ];
       };
       maxLayers = 10;
     };
@@ -74,6 +78,8 @@
     # nix build .#container
     # docker load < result
     packages.${system}.container = dockerImage;
+
+    # deploy
     devShells.${system}.default = pkgs.mkShell {
       packages = [
         deploy-script