Add gitea

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

packages/docker/gitea/default.nix

@@ -0,0 +1,36 @@
+{ pkgs, ... }:
+pkgs.dockerTools.buildImage {
+  name = "gitea";
+  fromImage = import ../base { inherit pkgs; };
+
+  copyToRoot = pkgs.buildEnv {
+    name = "root";
+    paths = with pkgs; [
+      gitea
+      git
+    ];
+    pathsToLink = [ "/bin" ];
+  };
+
+  runAsRoot = ''
+    ${pkgs.dockerTools.shadowSetup}
+  '';
+
+  config = {
+    Entrypoint = [ "/bin/gitea" ];
+    Cmd = [
+      "web"
+      "-c"
+      "/etc/gitea/app.ini"
+    ];
+    ExposedPorts = {
+      "3000/tcp" = { };
+    };
+    Env = [ "GITEA_WORK_DIR=/var/lib/gitea/" ];
+    Volumes = {
+      "/var/lib/gitea/data" = { };
+      "/var/lib/gitea/log" = { };
+      "/var/lib/gitea/custom" = { };
+    };
+  };
+}