diff --git a/.gitignore b/.gitignore
index f7e12a2..a6708ef 100644
--- a/.gitignore
+++ b/.gitignore
@@ -10,3 +10,5 @@
 **/.#*
 
 .pre-commit-config.yaml
+
+*.AppImage
diff --git a/flake.nix b/flake.nix
index 3889e00..52324b6 100644
--- a/flake.nix
+++ b/flake.nix
@@ -67,9 +67,30 @@
           };
 
           packages = {
+            default = config.packages.k8s-gitlab-borg;
+
+            k8s-gitlab-borg = with pkgs.poetry2nix;
+              mkPoetryApplication {
+                projectDir = cleanPythonSources {src = ./.;};
+
+                nativeBuildInputs = with pkgs; [makeWrapper];
+
+                postInstall = ''
+                  wrapProgram $out/bin/k8s-gitlab-borg \
+                    ${pkgs.lib.escapeShellArgs [
+                    "--prefix"
+                    "PATH"
+                    ":"
+                    (pkgs.lib.makeBinPath (with pkgs; [borgbackup]))
+                  ]}
+                '';
+
+                meta.mainProgram = "k8s-gitlab-borg";
+              };
           };
 
           overlayAttrs = {
+            inherit (config.packages) k8s-gitlab-borg;
           };
         };
 
diff --git a/k8s_gitlab_borg/__init__.py b/k8s_gitlab_borg/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/k8s_gitlab_borg/__main__.py b/k8s_gitlab_borg/__main__.py
new file mode 100644
index 0000000..4e06bb5
--- /dev/null
+++ b/k8s_gitlab_borg/__main__.py
@@ -0,0 +1,13 @@
+# SPDX-FileCopyrightText: 2023 Gregor Kleen
+#
+# SPDX-License-Identifier: GPL-3.0-or-later
+
+import os, sys
+
+
+def main():
+    pass
+
+
+if __name__ == "__main__":
+    sys.exit(main())
diff --git a/poetry.lock b/poetry.lock
new file mode 100644
index 0000000..2ddd539
--- /dev/null
+++ b/poetry.lock
@@ -0,0 +1,8 @@
+package = []
+
+[metadata]
+lock-version = "1.1"
+python-versions = "^3.10"
+content-hash = "53f2eabc9c26446fbcc00d348c47878e118afc2054778c3c803a0a8028af27d9"
+
+[metadata.files]
diff --git a/poetry.lock.license b/poetry.lock.license
new file mode 100644
index 0000000..2072054
--- /dev/null
+++ b/poetry.lock.license
@@ -0,0 +1,3 @@
+SPDX-FileCopyrightText: 2023 Gregor Kleen
+
+SPDX-License-Identifier: CC0-1.0
diff --git a/pyproject.toml b/pyproject.toml
new file mode 100644
index 0000000..ee4ef2b
--- /dev/null
+++ b/pyproject.toml
@@ -0,0 +1,21 @@
+# SPDX-FileCopyrightText: 2023 Gregor Kleen
+#
+# SPDX-License-Identifier: GPL-3.0-or-later
+
+[tool.poetry]
+name = "k8s-gitlab-borg"
+version = "0.0.0"
+description = ""
+authors = ["Gregor Kleen <gregor@kleen.consulting>"]
+
+[tool.poetry.dependencies]
+python = "^3.10"
+
+
+[tool.poetry.scripts]
+k8s-gitlab-borg = "k8s_gitlab_borg.__main__:main"
+
+
+[build-system]
+requires = ["poetry-core"]
+build-backend = "poetry.core.masonry.api"