diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
new file mode 100644
index 0000000..2f8a0fd
--- /dev/null
+++ b/.github/workflows/release.yml
@@ -0,0 +1,32 @@
+name: Release to PyPI
+
+on:
+  release:
+    types: [published]
+  workflow_dispatch:
+
+jobs:
+  release:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Set up Python
+        uses: actions/setup-python@v5
+        with:
+          python-version: "3.11"
+
+      - name: Install build dependencies
+        run: |
+          python -m pip install --upgrade pip
+          pip install build twine
+
+      - name: Build package
+        run: python -m build
+
+      - name: Publish to PyPI
+        env:
+          TWINE_USERNAME: __token__
+          TWINE_PASSWORD: ${{ secrets.PYPI_TOKEN }}
+        run: twine upload dist/*
diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
new file mode 100644
index 0000000..bb6e669
--- /dev/null
+++ b/.github/workflows/tests.yml
@@ -0,0 +1,36 @@
+name: Tests
+
+on:
+  push:
+    branches: [main]
+  pull_request:
+    branches: [main]
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        python-version: ["3.8", "3.9", "3.10", "3.11"]
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Set up Python ${{ matrix.python-version }}
+        uses: actions/setup-python@v5
+        with:
+          python-version: ${{ matrix.python-version }}
+
+      - name: Install dependencies
+        run: |
+          python -m pip install --upgrade pip
+          pip install -e ".[dev]"
+
+      - name: Lint with ruff
+        run: ruff check .
+
+      - name: Check formatting with black
+        run: black --check .
+
+      - name: Run tests
+        run: pytest tests/ -v
diff --git a/.gitignore b/.gitignore
index 8cd0668..c956e4b 100644
--- a/.gitignore
+++ b/.gitignore
@@ -5,3 +5,4 @@ __pycache__
 localstack_utils.egg-info
 .ruff_cache
 dist
+*.env
diff --git a/localstack_utils/container.py b/localstack_utils/container.py
index 61ca26c..3bd2890 100644
--- a/localstack_utils/container.py
+++ b/localstack_utils/container.py
@@ -1,3 +1,5 @@
+from __future__ import annotations
+
 import logging
 import re
 import docker
@@ -69,4 +71,4 @@ def wait_for_ready(container, pattern):
             attempts += 1
 
             if attempts >= MAX_LOG_COLLECTION_ATTEMPTS:
-                raise "Could not find token: " + pattern.toString() + "in logs"
+                raise RuntimeError(f"Could not find token: {pattern.pattern} in logs")
diff --git a/localstack_utils/localstack.py b/localstack_utils/localstack.py
index 0422877..dd4985d 100644
--- a/localstack_utils/localstack.py
+++ b/localstack_utils/localstack.py
@@ -1,5 +1,4 @@
 import re
-import sys
 import docker
 import logging
 from localstack_utils.container import Container
@@ -41,14 +40,13 @@ def startup(self, docker_configuration):
 
         try:
             self.localstack_container = Container.create_localstack_container(
-                docker_configuration.pull_new_image,
-                docker_configuration.image_name,
-                docker_configuration.image_tag,
-                docker_configuration.gateway_listen,
-                docker_configuration.environment_variables,
-                docker_configuration.port_mappings,
-                docker_configuration.pro,
-                docker_configuration.auto_remove_container,
+                pull_new_image=docker_configuration.pull_new_image,
+                image_name=docker_configuration.image_name,
+                image_tag=docker_configuration.image_tag,
+                gateway_listen=docker_configuration.gateway_listen,
+                auto_remove=docker_configuration.auto_remove_container,
+                environment_variables=docker_configuration.environment_variables,
+                bind_ports=docker_configuration.port_mappings,
             )
 
             self.setup_logger()
@@ -57,10 +55,10 @@ def startup(self, docker_configuration):
 
         except docker.errors.APIError:
             if not docker_configuration.ignore_docker_runerrors:
-                raise "Unable to start docker"
+                raise RuntimeError("Unable to start docker")
 
         except Exception:
-            raise sys.exc_info()
+            raise
 
     def stop(self):
         self.localstack_container.stop()
diff --git a/tests/test_kinesis.py b/tests/test_kinesis.py
index 06f2382..89eaaef 100644
--- a/tests/test_kinesis.py
+++ b/tests/test_kinesis.py
@@ -6,7 +6,7 @@
 
 class TestKinesis(unittest.TestCase):
     def setUp(self):
-        startup_localstack()
+        startup_localstack(image_name="localstack/localstack")
 
     def tearDown(self):
         stop_localstack()
@@ -16,6 +16,7 @@ def test_create_stream(self):
         kinesis = boto3.client(
             service_name="kinesis",
             aws_access_key_id="test",
+            region_name="us-east-1",
             aws_secret_access_key="test",
             endpoint_url="http://localhost:4566",
         )