diff --git a/.gitignore b/.gitignore
index ebea779..d5fa9c2 100644
--- a/.gitignore
+++ b/.gitignore
@@ -15,6 +15,9 @@
 # Logs
 logs/
 
+# Caches
+node_modules/
+
 # Byte-compiled / optimized / DLL files
 __pycache__/
 *.py[cod]
diff --git a/README.md b/README.md
index a19c2fb..18bddb0 100644
--- a/README.md
+++ b/README.md
@@ -7,8 +7,7 @@
 [![GitHub last commit](https://img.shields.io/github/last-commit/Bilbottom/daily-tracker)](https://shields.io/)
 
 [![code style: prettier](https://img.shields.io/badge/code_style-prettier-ff69b4.svg?style=flat-square)](https://github.com/prettier/prettier)
-[![code style: black](https://img.shields.io/badge/code%20style-black-000000.svg)](https://github.com/psf/black)
-[![Imports: isort](https://img.shields.io/badge/%20imports-isort-%231674b1?style=flat&labelColor=ef8336)](https://pycqa.github.io/isort/)
+[![Ruff](https://img.shields.io/endpoint?url=https://raw.githubusercontent.com/astral-sh/ruff/main/assets/badge/v2.json)](https://github.com/astral-sh/ruff)
 [![pre-commit.ci status](https://results.pre-commit.ci/badge/github/Bilbottom/daily-tracker/main.svg)](https://results.pre-commit.ci/latest/github/Bilbottom/daily-tracker/main)
 [![Sourcery](https://img.shields.io/badge/Sourcery-enabled-brightgreen)](https://sourcery.ai)
 
@@ -75,3 +74,19 @@ This has been tested and confirmed to work on an M1 Mac with version `8.6.13` of
 More details available at:
 
 - https://tkdocs.com/tutorial/install.html#install-macos
+
+### 💽 Building the executable
+
+> [!ERROR]
+>
+> This doesn't work yet.
+
+This project uses [PyInstaller](https://www.pyinstaller.org/) to build the executable; run:
+
+```bash
+poetry run pyinstaller daily_tracker/__main__.py \
+  --name daily-tracker \
+  --icon=daily_tracker/resources/clock-icon.ico \
+  --onefile \
+  --windowed
+```
diff --git a/daily_tracker/__main__.py b/daily_tracker/__main__.py
index f1b1c0b..f2c787a 100644
--- a/daily_tracker/__main__.py
+++ b/daily_tracker/__main__.py
@@ -2,7 +2,20 @@
 Entry point into the application.
 """
 
+import argparse
+
 from daily_tracker import main
 
 if __name__ == "__main__":
-    main.main(debug_mode=True)
+    parser = argparse.ArgumentParser(
+        prog="daily-tracker",
+        description="An application for keeping track of tasks throughout the day.",
+    )
+    parser.add_argument(
+        "--debug",
+        action="store_true",
+        help="Run the application in debug mode.",
+    )
+    args = parser.parse_args()
+
+    main.main(debug_mode=args.debug)
diff --git a/daily_tracker/main.py b/daily_tracker/main.py
index 941a636..fcf1eeb 100644
--- a/daily_tracker/main.py
+++ b/daily_tracker/main.py
@@ -39,6 +39,7 @@ def main(debug_mode: bool = False) -> None:
 
     _in_debug_mode = " in debug mode" if debug_mode else ""
     logging.info(f"Starting tracker{_in_debug_mode}...")
+    logging.info(f"Logging level: {logging.getLevelName(logging.getLogger().getEffectiveLevel())}")
     logging.debug(f"Setting root directory to {utils.ROOT}")
     logging.debug(f"Setting source directory to {utils.SRC}")
 
diff --git a/daily_tracker/resources/clock-icon.ico b/daily_tracker/resources/clock-icon.ico
new file mode 100644
index 0000000..b022e2c
Binary files /dev/null and b/daily_tracker/resources/clock-icon.ico differ
diff --git a/pyproject.toml b/pyproject.toml
index 91f40c8..ab975a6 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -19,7 +19,7 @@ packages = [
 daily-tracker = "daily_tracker.main:main"
 
 [tool.poetry.dependencies]
-python = "^3.11"
+python = "~3.11"
 Pillow = ">=9.4.0"
 python-dotenv = ">=0.21.1"
 pyyaml = ">=6.0"
@@ -44,6 +44,7 @@ test.optional = true
 coverage-badge = "^1.1.0"
 pre-commit = "^3.6.2"
 pylint = "3.1.0"
+pyinstaller = "^6.9.0"
 
 [tool.poetry.group.test.dependencies]
 pytest = "^8.0.2"