docker: gitea: add Gitea

docker/gitea/default.nix

@@ -0,0 +1,77 @@
+{ pkgs, system, nixpkgs, ... }:
+let
+  # pkgs = (import nixpkgs { inherit system; }).pkgsMusl;
+  init = let
+    defaults = {
+      uid = builtins.toString 5001;
+      gid = builtins.toString 5001;
+      user = "gitea";
+      data = "/data/gitea";
+    };
+    custom = rec {
+      gitea = pkgs.gitea.override {
+        inherit openssh git;
+        pamSupport = false;
+      };
+      openssh = pkgs.openssh.override {
+        withKerberos = false; withFIDO = false;
+      };
+      git = pkgs.git.override {
+        inherit openssh;
+        perlSupport = false;
+        nlsSupport = false;
+        withManual = false;
+        guiSupport = false;
+        pythonSupport = false;
+        withpcre2 = false;
+        sendEmailSupport = false;
+      };
+    };
+  in
+    with pkgs; with defaults; pkgs.writeShellScriptBin "init" ''
+    if [[ $(${busybox}/bin/id -u) = 0 ]] ; then 
+                        
+${busybox}/bin/cat << EOF
+### Gitea Nix Image Manual
+##
+## USER_UID ? ${uid} - default user id
+## USER_GID ? ${gid} - default group id
+## for other options please look at https://docs.gitea.io/en-us/install-with-docker/#environment-variables
+
+### Recommended volumes (many directories which exist in normal Docker containers, do not exist in this one)
+##
+## - ${data} - Gitea base data folder
+EOF
+
+      export _user_uid="''${USER_UID:-${uid}}" \
+             _user_uid="''${USER_UID:-${uid}}" \
+             _user="''${USER:-${user}}"
+
+${busybox}/bin/cat << EOF
+### Starting with options:
+## USER_UID = "$_user_uid"
+## USER_GID = "$_user_uid"
+EOF
+
+  
+      echo "gitea:x:$_uid:$_postgres_gid:Gitea:${data}:${bash}/bin/bash" > /etc/passwd
+      echo "gitea:x:$_gid:" > /etc/group
+  
+      ${busybox}/bin/mkdir -p ${data}
+
+      exec ${busybox}/bin/su -p gitea -c "$0"
+    else
+      
+      exec ${custom.gitea}/bin/gitea $@
+
+    fi
+  '';
+in
+pkgs.dockerTools.buildLayeredImage {
+  name = "gitea";
+  tag = "latest";
+
+  config = {
+    Cmd = [ "${init}/bin/init" ];
+  };
+}

flake.nix

@@ -34,6 +34,7 @@
       dockerImages = lib.dockerImages ./docker [
         "klippy-moonraker"
         "postgresql"
+        "gitea"
         "csi-driver-nfs"
       ];
       pkgs = lib.pkgsWithFlakes flakes;

lib.nix

@@ -7,7 +7,7 @@ with pkgs.lib; {
       self
   );
   dockerImages = path: modules: genAttrs modules (module:
-    import (path + "/${module}") ({ inherit pkgs; } // inputs)
+    import (path + "/${module}") ({ inherit pkgs system; } // inputs)
   );
   pkgsWithFlakes = flakes: import nixpkgs
     {