diff --git a/.github/workflows/python.yml b/.github/workflows/python.yml
index 82e1968..ba65746 100644
--- a/.github/workflows/python.yml
+++ b/.github/workflows/python.yml
@@ -19,5 +19,9 @@ jobs:
         with:
           python-version: ${{ matrix.python-version }}
       - run: python -m pip install --upgrade pip
-      - run: python -m pip install -e .[test]
-      - run: python -m pytest
+      - run: python -m pip install -e ".[dev]"
+      - run: ruff check .
+      - run: ruff format --check .
+      - run: mypy .
+      - run: pytest
+
diff --git a/.vscode/extensions.json b/.vscode/extensions.json
new file mode 100644
index 0000000..288278c
--- /dev/null
+++ b/.vscode/extensions.json
@@ -0,0 +1,3 @@
+{  
+    "recommendations": ["ms-python.python", "ms-python.vscode-pylance", "charliermarsh.ruff"]
+}
\ No newline at end of file
diff --git a/.vscode/settings.json b/.vscode/settings.json
new file mode 100644
index 0000000..de7aaf4
--- /dev/null
+++ b/.vscode/settings.json
@@ -0,0 +1,13 @@
+{
+  "python.testing.pytestEnabled": true,
+  "python.testing.unittestEnabled": false,
+  "python.testing.pytestArgs": ["tests"],
+  "[python]": {
+    "editor.defaultFormatter": "charliermarsh.ruff",
+    "editor.formatOnSave": true,
+    "editor.codeActionsOnSave": {
+      "source.fixAll.ruff": "explicit",
+      "source.organizeImports.ruff": "explicit"
+    }
+  }
+}
diff --git a/pyproject.toml b/pyproject.toml
index 8645a07..78f96e7 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -16,5 +16,31 @@ dependencies = []
 [project.urls]
 Repository = "https://github.com/arionvlad/python-apprentice"
 
+[project.optional-dependencies]
+dev = [
+    "mypy",
+    "pytest",
+    "ruff",
+]
+
 [tool.setuptools.packages.find]
-where = ["src"]
\ No newline at end of file
+where = ["src"]
+
+[tool.ruff]
+line-length = 88
+target-version = "py311"
+
+[tool.ruff.lint]
+select = ["E", "F", "I", "UP"]
+
+[tool.ruff.format]
+quote-style = "double"
+
+[tool.mypy]
+python_version = "3.11"
+strict = true
+files = ["src", "tests"]
+
+[tool.pytest.ini_options]
+testpaths = ["tests"]
+pythonpath = ["src"]
\ No newline at end of file
diff --git a/src/python_apprentice/__init__.py b/src/python_apprentice/__init__.py
index fd2e6df..4ed5d28 100644
--- a/src/python_apprentice/__init__.py
+++ b/src/python_apprentice/__init__.py
@@ -1,12 +1,5 @@
 """Python Apprentice package."""
 
-from __future__ import annotations
+from .greetings import greet
 
-
-def greet(name: str) -> str:
-    return f"Hello, {name}!"
-
-
-from .main import main
-
-__all__ = ["greet", "main"]
+__all__ = ["greet"]
diff --git a/src/python_apprentice/greetings.py b/src/python_apprentice/greetings.py
new file mode 100644
index 0000000..1e21eeb
--- /dev/null
+++ b/src/python_apprentice/greetings.py
@@ -0,0 +1,2 @@
+def greet(name: str) -> str:
+    return f"Hello, {name}!"
diff --git a/src/python_apprentice/main.py b/src/python_apprentice/main.py
index 3398f3b..da7d57e 100644
--- a/src/python_apprentice/main.py
+++ b/src/python_apprentice/main.py
@@ -1,13 +1,7 @@
 """Application entrypoint."""
 
-from __future__ import annotations
-
-from . import greet
+from python_apprentice import greet
 
 
 def main() -> None:
-    print(greet("World"))
-
-
-if __name__ == "__main__":
-    main()
+    print(greet("world"))
diff --git a/tests/test_greeting.py b/tests/test_greeting.py
new file mode 100644
index 0000000..df094b5
--- /dev/null
+++ b/tests/test_greeting.py
@@ -0,0 +1,5 @@
+from python_apprentice import greet
+
+
+def test_greet_returns_personalized_message() -> None:
+    assert greet("Vlad") == "Hello, Vlad!"
diff --git a/tests/test_my_package.py b/tests/test_my_package.py
deleted file mode 100644
index 0209e0d..0000000
--- a/tests/test_my_package.py
+++ /dev/null
@@ -1,5 +0,0 @@
-from python_apprentice import greet
-
-
-def test_greet_returns_expected_message() -> None:
-    assert greet("World") == "Hello, World!"