diff --git a/.dockerignore b/.dockerignore
new file mode 100644
index 0000000..2b29f27
--- /dev/null
+++ b/.dockerignore
@@ -0,0 +1 @@
+tests
diff --git a/Dockerfile b/Dockerfile
new file mode 100644
index 0000000..a0bb3d6
--- /dev/null
+++ b/Dockerfile
@@ -0,0 +1,25 @@
+FROM ghcr.io/astral-sh/uv:python3.11-bookworm
+
+ENV UV_CACHE_DIR=/app/.cache/uv
+
+RUN useradd --shell /bin/bash --uid 1000 transip_client
+
+USER transip_client
+
+WORKDIR /app
+
+RUN mkdir --parents /app/.cache/uv
+
+# only install dependencies
+RUN --mount=type=cache,uid=1000,target=/app/.cache/uv \
+    --mount=type=bind,source=uv.lock,target=/app/uv.lock \
+    --mount=type=bind,source=pyproject.toml,target=/app/pyproject.toml \
+    uv sync --frozen --no-install-project
+
+COPY pyproject.toml uv.lock /app
+COPY transip_client /app/transip_client
+
+# install dependencies + project
+RUN --mount=type=cache,uid=1000,target=/app/.cache/uv uv sync --frozen
+
+ENTRYPOINT ["uv", "run", "--", "transip-listen"]
diff --git a/__init__.py b/__init__.py
deleted file mode 100644
index e69de29..0000000
diff --git a/pyproject.toml b/pyproject.toml
index 7f91a00..da9b3a8 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -32,6 +32,9 @@ build-backend = 'setuptools.build_meta'
 [tool.uv]
 environments = ["sys_platform == 'linux'"]
 
+[tool.ruff.lint]
+select = ["E4", "E7", "E9", "F", "I"]
+
 [tool.ruff.lint.isort]
 lines-between-types=1
 lines-after-imports=2
diff --git a/transip_client/tests/tests.py b/transip_client/tests/tests.py
index fc911d8..ec05227 100644
--- a/transip_client/tests/tests.py
+++ b/transip_client/tests/tests.py
@@ -1,9 +1,9 @@
 import json
 import os
 
-from unittest import TestCase, skip
-from unittest.mock import call, patch, Mock
 from pathlib import Path
+from unittest import TestCase
+from unittest.mock import Mock, call, patch
 
 from click.testing import CliRunner
 from requests import HTTPError
@@ -225,7 +225,7 @@ class RunTestCase(TestCase):
         self.assertEqual(result.exit_code, 0)
 
         self.mocked_get.assert_called_with(
-            f"https://other-provider.com/domains/foobar.com/dns",
+            "https://other-provider.com/domains/foobar.com/dns",
             headers={"Authorization": "Bearer token"},
         )
 
@@ -243,7 +243,7 @@ class RunTestCase(TestCase):
         )
 
         self.mocked_put.assert_called_with(
-            f"https://other-provider.com/domains/foobar.com/dns",
+            "https://other-provider.com/domains/foobar.com/dns",
             data=expected_json,
             headers={"Authorization": "Bearer token"},
         )