Add sish

Signed-off-by: Nikolaos Karaolidis <nick@karaolidis.com>

packages/docker/sish/default.nix

@@ -0,0 +1,38 @@
+{ pkgs, ... }:
+pkgs.dockerTools.buildImage {
+  name = "sish";
+  fromImage = import ../base { inherit pkgs; };
+
+  copyToRoot = pkgs.buildEnv {
+    name = "root";
+    paths = with pkgs; [
+      (sish.overrideAttrs (oldAttrs: {
+        patches = oldAttrs.patches or [ ] ++ [ ./proxy-ssl-termination.patch ];
+      }))
+    ];
+    pathsToLink = [ "/bin" ];
+  };
+
+  runAsRoot = ''
+    mkdir -p /tmp
+  '';
+
+  config = {
+    Entrypoint = [ "/bin/sish" ];
+    Cmd = [
+      "--ssh-address=0.0.0.0:2222"
+      "--http-address=0.0.0.0:80"
+      "--load-templates=false"
+      "--private-keys-directory=/etc/sish/keys"
+      "--authentication-password=\"\""
+      "--authentication-keys-directory=/etc/sish/pubkeys"
+    ];
+    ExposedPorts = {
+      "2222/tcp" = { };
+    };
+    Volumes = {
+      "/etc/sish/keys" = { };
+      "/etc/sish/pubkeys" = { };
+    };
+  };
+}