diff --git a/.devcontainer.json b/.devcontainer.json
new file mode 100644
index 0000000..af3a9de
--- /dev/null
+++ b/.devcontainer.json
@@ -0,0 +1,58 @@
+{
+  "name": "cyberjunky/home-assistant-garmin_connect",
+  "image": "mcr.microsoft.com/vscode/devcontainers/python:0-3.11-bullseye",
+  "postCreateCommand": "scripts/setup",
+  "forwardPorts": [
+    8123
+  ],
+  "portsAttributes": {
+    "8123": {
+      "label": "Home Assistant"
+    },
+    "0-8122": {
+      "label": "Auto-Forwarded - Other",
+      "onAutoForward": "ignore"
+    },
+    "8124-999999": {
+      "label": "Auto-Forwarded - Other",
+      "onAutoForward": "ignore"
+    }
+  },
+  "customizations": {
+    "extensions": [
+      "ms-python.python",
+      "github.vscode-pull-request-github",
+      "ryanluker.vscode-coverage-gutters",
+      "ms-python.vscode-pylance"
+    ],
+    "vscode": {
+      "settings": {
+        "python.defaultInterpreterPath": "/usr/local/bin/python",
+        "files.eol": "\n",
+        "editor.tabSize": 4,
+        "python.pythonPath": "/usr/local/python/bin/python",
+        "python.analysis.autoSearchPaths": false,
+        "python.linting.pylintArgs": [
+          "--disable",
+          "import-error"
+        ],
+        "python.formatting.provider": "black",
+        "editor.formatOnPaste": false,
+        "editor.formatOnSave": true,
+        "editor.formatOnType": true,
+        "files.trimTrailingWhitespace": true
+      },
+      "extensions": [
+        "github.vscode-pull-request-github",
+        "ms-python.python",
+        "ms-python.vscode-pylance",
+        "ms-vscode.makefile-tools",
+        "ryanluker.vscode-coverage-gutters"
+      ]
+    }
+  },
+  "remoteUser": "vscode",
+  "features": {
+    "rust": "latest"
+  }
+}
\ No newline at end of file
diff --git a/.gitattributes b/.gitattributes
new file mode 100644
index 0000000..94f480d
--- /dev/null
+++ b/.gitattributes
@@ -0,0 +1 @@
+* text=auto eol=lf
\ No newline at end of file
diff --git a/.github/dependabot.yml b/.github/dependabot.yml
new file mode 100644
index 0000000..04f2d40
--- /dev/null
+++ b/.github/dependabot.yml
@@ -0,0 +1,15 @@
+# https://docs.github.com/en/code-security/dependabot/dependabot-version-updates/configuration-options-for-the-dependabot.yml-file
+version: 2
+updates:
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    schedule:
+      interval: "weekly"
+
+  - package-ecosystem: "pip"
+    directory: "/"
+    schedule:
+      interval: "weekly"
+    ignore:
+      # Dependabot should not update Home Assistant as that should match the homeassistant key in hacs.json
+      - dependency-name: "homeassistant"
\ No newline at end of file
diff --git a/.github/pre-commit-config.yaml b/.github/pre-commit-config.yaml
new file mode 100644
index 0000000..ea3b73b
--- /dev/null
+++ b/.github/pre-commit-config.yaml
@@ -0,0 +1,50 @@
+repos:
+  - repo: https://github.com/asottile/pyupgrade
+    rev: v2.34.0
+    hooks:
+      - id: pyupgrade
+        stages: [manual]
+        args:
+          - "--py39-plus"
+
+  - repo: https://github.com/pycqa/isort
+    rev: 5.12.0
+    hooks:
+      - id: isort
+        name: isort (python)
+
+  - repo: https://github.com/psf/black
+    rev: 23.1.0
+    hooks:
+      - id: black
+        stages: [manual]
+        args:
+          - --safe
+          - --quiet
+        files: ^((custom_components|script|tests)/.+)?[^/]+\.py$
+
+  - repo: https://github.com/codespell-project/codespell
+    rev: v2.1.0
+    hooks:
+      - id: codespell
+        stages: [manual]
+        args:
+          - --quiet-level=2
+          - --ignore-words-list=hass,ba,fo
+          - --exclude-file=custom_components/hacs/utils/default.repositories
+
+  - repo: https://github.com/pre-commit/pre-commit-hooks
+    rev: v4.3.0
+    hooks:
+      - id: check-executables-have-shebangs
+        stages: [manual]
+      - id: check-json
+        stages: [manual]
+      - id: requirements-txt-fixer
+        stages: [manual]
+      - id: check-ast
+        stages: [manual]
+      - id: mixed-line-ending
+        stages: [manual]
+        args:
+          - --fix=lf
\ No newline at end of file
diff --git a/.github/release.yml b/.github/release.yml
new file mode 100644
index 0000000..05601ee
--- /dev/null
+++ b/.github/release.yml
@@ -0,0 +1,25 @@
+changelog:
+  categories:
+    - title: '💥 Breaking changes'
+      labels:
+        - 'Breaking Change'
+
+    - title: '🛎️ Experimental'
+      labels:
+        - 'Experimental'
+
+    - title: '✨ New features'
+      labels:
+        - 'pr: new-feature'
+
+    - title: '⚡ Enhancements'
+      labels:
+        - 'pr: enhancement'
+
+    - title: '♻️ Refactor'
+      labels:
+        - 'pr: refactor'
+
+    - title: '🐛 Bug Fixes'
+      labels:
+        - 'pr: bugfix'
\ No newline at end of file
diff --git a/.gitignore b/.gitignore
index b6e4761..9fe9da4 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,15 @@
+# misc
+.vscode
+outputdata
+settings.json
+
+# Translation files
+custom_components/garmin_connect/translations
+!custom_components/garmin_connect/translations/en.json
+
+# Home Assistant configuration
+config
+
 # Byte-compiled / optimized / DLL files
 __pycache__/
 *.py[cod]
diff --git a/.ruff.toml b/.ruff.toml
new file mode 100644
index 0000000..260b188
--- /dev/null
+++ b/.ruff.toml
@@ -0,0 +1,48 @@
+# The contents of this file is based on https://github.com/home-assistant/core/blob/dev/pyproject.toml
+
+target-version = "py310"
+
+select = [
+    "B007",    # Loop control variable {name} not used within loop body
+    "B014",    # Exception handler with duplicate exception
+    "C",       # complexity
+    "D",       # docstrings
+    "E",       # pycodestyle
+    "F",       # pyflakes/autoflake
+    "ICN001",  # import concentions; {name} should be imported as {asname}
+    "PGH004",  # Use specific rule codes when using noqa
+    "PLC0414", # Useless import alias. Import alias does not rename original package.
+    "SIM105",  # Use contextlib.suppress({exception}) instead of try-except-pass
+    "SIM117",  # Merge with-statements that use the same scope
+    "SIM118",  # Use {key} in {dict} instead of {key} in {dict}.keys()
+    "SIM201",  # Use {left} != {right} instead of not {left} == {right}
+    "SIM212",  # Use {a} if {a} else {b} instead of {b} if not {a} else {a}
+    "SIM300",  # Yoda conditions. Use 'age == 42' instead of '42 == age'.
+    "SIM401",  # Use get from dict with default instead of an if block
+    "T20",     # flake8-print
+    "TRY004",  # Prefer TypeError exception for invalid type
+    "RUF006",  # Store a reference to the return value of asyncio.create_task
+    "UP",      # pyupgrade
+    "W",       # pycodestyle
+]
+
+ignore = [
+    "D202", # No blank lines allowed after function docstring
+    "D203", # 1 blank line required before class docstring
+    "D213", # Multi-line docstring summary should start at the second line
+    "D404", # First word of the docstring should not be This
+    "D406", # Section name should end with a newline
+    "D407", # Section name underlining
+    "D411", # Missing blank line before section
+    "E501", # line too long
+    "E731", # do not assign a lambda expression, use a def
+]
+
+[flake8-pytest-style]
+fixture-parentheses = false
+
+[pyupgrade]
+keep-runtime-typing = true
+
+[mccabe]
+max-complexity = 25
diff --git a/custom_components/garmin_connect/__init__.py b/custom_components/garmin_connect/__init__.py
index 860be75..26183e0 100644
--- a/custom_components/garmin_connect/__init__.py
+++ b/custom_components/garmin_connect/__init__.py
@@ -112,13 +112,13 @@ class GarminConnectDataUpdateCoordinator(DataUpdateCoordinator):
         activity_types = {}
         sleep_data = {}
         sleep_score = None
-        
+
         try:
             summary = await self.hass.async_add_executor_job(
                 self._api.get_user_summary, date.today().isoformat()
             )
             _LOGGER.debug(f"Summary data: {summary}")
-            
+
             body = await self.hass.async_add_executor_job(
                 self._api.get_body_composition, date.today().isoformat()
             )
diff --git a/custom_components/garmin_connect/alarm_util.py b/custom_components/garmin_connect/alarm_util.py
index 07dff48..eaca3dd 100644
--- a/custom_components/garmin_connect/alarm_util.py
+++ b/custom_components/garmin_connect/alarm_util.py
@@ -19,8 +19,7 @@ DAY_TO_NUMBER = {
 
 
 def calculate_next_active_alarms(alarms):
-    """
-    Calculate garmin next active alarms from settings.
+    """Calculate garmin next active alarms from settings.
 
     Alarms are sorted by time
     """
diff --git a/custom_components/garmin_connect/const.py b/custom_components/garmin_connect/const.py
index 6e832d3..762b7b9 100644
--- a/custom_components/garmin_connect/const.py
+++ b/custom_components/garmin_connect/const.py
@@ -1,6 +1,5 @@
 """Constants for the Garmin Connect integration."""
 from datetime import timedelta
-from enum import Enum
 from typing import NamedTuple
 
 from homeassistant.const import (
diff --git a/custom_components/garmin_connect/sensor.py b/custom_components/garmin_connect/sensor.py
index cf4b59d..2d820ad 100644
--- a/custom_components/garmin_connect/sensor.py
+++ b/custom_components/garmin_connect/sensor.py
@@ -19,7 +19,7 @@ from homeassistant.const import (
     ATTR_ENTITY_ID,
     CONF_ID,
 )
-from homeassistant.const import ATTR_ATTRIBUTION, CONF_ID
+from homeassistant.const import CONF_ID
 from homeassistant.core import HomeAssistant
 from homeassistant.helpers import entity_platform
 from homeassistant.helpers.entity import DeviceInfo
diff --git a/requirements.txt b/requirements.txt
new file mode 100644
index 0000000..018f271
--- /dev/null
+++ b/requirements.txt
@@ -0,0 +1,4 @@
+colorlog==6.8.0
+homeassistant==2024.1.0
+pip>=21.0,<23.4
+ruff==0.1.11
\ No newline at end of file
diff --git a/requirements_lint.txt b/requirements_lint.txt
new file mode 100644
index 0000000..7c8c47d
--- /dev/null
+++ b/requirements_lint.txt
@@ -0,0 +1,3 @@
+-r requirements.txt
+pre-commit==3.5.0
+vulture==2.10
\ No newline at end of file
diff --git a/scripts/develop b/scripts/develop
new file mode 100644
index 0000000..20366e8
--- /dev/null
+++ b/scripts/develop
@@ -0,0 +1,20 @@
+#!/usr/bin/env bash
+
+set -e
+
+cd "$(dirname "$0")/.."
+
+# Create config dir if not present
+if [[ ! -d "${PWD}/config" ]]; then
+    mkdir -p "${PWD}/config"
+    hass --config "${PWD}/config" --script ensure_config
+fi
+
+# Set the path to custom_components
+## This let's us have the structure we want <root>/custom_components/integration_blueprint
+## while at the same time have Home Assistant configuration inside <root>/config
+## without resulting to symlinks.
+export PYTHONPATH="${PYTHONPATH}:${PWD}/custom_components"
+
+# Start Home Assistant
+hass --config "${PWD}/config" --debug
\ No newline at end of file
diff --git a/scripts/lint b/scripts/lint
new file mode 100644
index 0000000..c51ced8
--- /dev/null
+++ b/scripts/lint
@@ -0,0 +1,13 @@
+#!/usr/bin/env bash
+
+set -e
+
+cd "$(dirname "$0")/.."
+
+python3 -m pip install --requirement requirements_lint.txt
+
+ruff check . --fix;
+pre-commit install-hooks --config .github/pre-commit-config.yaml;
+pre-commit run --hook-stage manual --all-files --config .github/pre-commit-config.yaml;
+
+vulture . --min-confidence 55 --ignore-names policy
diff --git a/scripts/setup b/scripts/setup
new file mode 100644
index 0000000..abe537a
--- /dev/null
+++ b/scripts/setup
@@ -0,0 +1,7 @@
+#!/usr/bin/env bash
+
+set -e
+
+cd "$(dirname "$0")/.."
+
+python3 -m pip install --requirement requirements.txt
\ No newline at end of file