diff --git a/Makefile b/Makefile
index f8ee00a..4d38e9e 100644
--- a/Makefile
+++ b/Makefile
@@ -16,6 +16,10 @@ sync:
 lint:
 	uv run ruff check src/ tests/
 
+.PHONY: fix
+fix:
+	uv run ruff check --fix src/ tests/
+
 .PHONY: format
 format:
 	uv run ruff format src/ tests/
diff --git a/src/easymapping/__init__.py b/src/easymapping/__init__.py
index 77930a4..b80c2a1 100644
--- a/src/easymapping/__init__.py
+++ b/src/easymapping/__init__.py
@@ -4,6 +4,7 @@ import os
 import re
 
 from jinja2 import Environment, FileSystemLoader
+
 from functions import loggerEasyHaproxy
 
 
@@ -17,7 +18,7 @@ class DockerLabelHandler:
 
     def create(self, key):
         if isinstance(key, str):
-            return "{}.{}".format(self.__label_base, key)
+            return f"{self.__label_base}.{key}"
 
         return "{}.{}".format(self.__label_base, ".".join(key))
 
@@ -140,7 +141,7 @@ class HaproxyConfigGenerator:
 
             self.label.set_data(d)
 
-            # Parse each definition found. 
+            # Parse each definition found.
             for definition in sorted(definitions.keys()):
                 mode = self.label.get(
                     self.label.create([definition, "mode"]),
@@ -209,7 +210,7 @@ class HaproxyConfigGenerator:
                     if socket_path:
                         server_address = socket_path
                     else:
-                        server_address = "{}:{}".format(container, ct_port)
+                        server_address = f"{container}:{ct_port}"
 
                     easymapping[port]["hosts"][hostname]["containers"] += [server_address]
                     easymapping[port]["hosts"][hostname]["certbot"] = certbot
@@ -306,7 +307,7 @@ class HaproxyConfigGenerator:
                     # handle SSL
                     ssl_label = self.label.create([definition, "sslcert"])
                     if self.label.has_label(ssl_label):
-                        filename = "{}.pem".format(d[host_label])
+                        filename = f"{d[host_label]}.pem"
                         easymapping[port]["ssl"] = True if not clone_to_ssl else False
                         self.certs[filename] = base64.b64decode(d[ssl_label]).decode('ascii')
 
diff --git a/src/functions/__init__.py b/src/functions/__init__.py
index 51f22d1..412a753 100644
--- a/src/functions/__init__.py
+++ b/src/functions/__init__.py
@@ -1,16 +1,18 @@
+import logging
 import os
 import shlex
 import subprocess
 import sys
-import psutil
 import time
-import logging
 from datetime import datetime
 from multiprocessing import Process
 from typing import Final
+
+import psutil
 import requests
 from OpenSSL import crypto
 
+
 class ContainerEnv:
     @staticmethod
     def read():
@@ -150,7 +152,7 @@ class Functions:
 
     @staticmethod
     def load(filename):
-        with open(filename, 'r') as content_file:
+        with open(filename) as content_file:
             return content_file.read()
 
     @staticmethod
@@ -384,7 +386,7 @@ class Certbot:
                                     )
 
             if self.certbot_manual_auth_hook:
-                certbot_certonly += '    --manual --manual-auth-hook \'{hook}\''.format(hook=self.certbot_manual_auth_hook)
+                certbot_certonly += f'    --manual --manual-auth-hook \'{self.certbot_manual_auth_hook}\''
 
             if loggerCertbot.level == logging.DEBUG:
                 certbot_certonly += '    -v'
diff --git a/src/main.py b/src/main.py
index 7af2bbf..5e80fda 100644
--- a/src/main.py
+++ b/src/main.py
@@ -2,8 +2,14 @@ import os
 
 from deepdiff import DeepDiff
 
-from functions import Functions, DaemonizeHAProxy, Certbot, Consts, loggerInit, loggerEasyHaproxy, loggerHaproxy, \
-    loggerCertbot
+from functions import (
+    Certbot,
+    Consts,
+    DaemonizeHAProxy,
+    Functions,
+    loggerEasyHaproxy,
+    loggerInit,
+)
 from processor import ProcessorInterface
 
 
@@ -69,7 +75,7 @@ def main():
     loggerInit.debug('Environment:')
     for name, value in os.environ.items():
         if "HAPROXY" in name:
-            loggerInit.debug("- {0}: {1}".format(name, value))
+            loggerInit.debug(f"- {name}: {value}")
 
     start()
 
diff --git a/src/plugins/__init__.py b/src/plugins/__init__.py
index e822d92..de06fba 100644
--- a/src/plugins/__init__.py
+++ b/src/plugins/__init__.py
@@ -1,10 +1,11 @@
-import os
 import importlib.util
+import os
 import sys
 from abc import ABC, abstractmethod
 from dataclasses import dataclass, field
 from enum import Enum
-from typing import Optional, Dict, Any, List
+from typing import Any, Dict, List, Optional
+
 from functions import loggerEasyHaproxy
 
 
@@ -20,17 +21,17 @@ class PluginContext:
     parsed_object: dict              # {IP: labels} from discovery
     easymapping: list               # Current HAProxy mapping structure
     container_env: dict             # Environment configuration
-    domain: Optional[str] = None    # Domain name (for DOMAIN plugins)
-    port: Optional[str] = None      # Port (for DOMAIN plugins)
-    host_config: Optional[dict] = None  # Domain-specific config
+    domain: str | None = None    # Domain name (for DOMAIN plugins)
+    port: str | None = None      # Port (for DOMAIN plugins)
+    host_config: dict | None = None  # Domain-specific config
 
 
 @dataclass
 class PluginResult:
     """Plugin execution result"""
     haproxy_config: str = ""                     # HAProxy config snippet to inject
-    modified_easymapping: Optional[list] = None  # Modified easymapping structure
-    metadata: Dict[str, Any] = field(default_factory=dict)  # Plugin metadata for logging
+    modified_easymapping: list | None = None  # Modified easymapping structure
+    metadata: dict[str, Any] = field(default_factory=dict)  # Plugin metadata for logging
 
 
 class PluginInterface(ABC):
@@ -85,9 +86,9 @@ class PluginManager:
         """
         self.plugins_dir = plugins_dir
         self.abort_on_error = abort_on_error
-        self.plugins: Dict[str, PluginInterface] = {}
-        self.global_plugins: List[PluginInterface] = []
-        self.domain_plugins: List[PluginInterface] = []
+        self.plugins: dict[str, PluginInterface] = {}
+        self.global_plugins: list[PluginInterface] = []
+        self.domain_plugins: list[PluginInterface] = []
         self.logger = loggerEasyHaproxy
 
     def load_plugins(self) -> None:
@@ -174,7 +175,7 @@ class PluginManager:
             except Exception as e:
                 self._handle_error(f"Failed to configure plugin '{plugin_name}': {str(e)}")
 
-    def execute_global_plugins(self, context: PluginContext, enabled_list: Optional[List[str]] = None) -> List[PluginResult]:
+    def execute_global_plugins(self, context: PluginContext, enabled_list: list[str] | None = None) -> list[PluginResult]:
         """
         Execute all global plugins
 
@@ -205,7 +206,7 @@ class PluginManager:
 
         return results
 
-    def execute_domain_plugins(self, context: PluginContext, enabled_list: Optional[List[str]] = None) -> List[PluginResult]:
+    def execute_domain_plugins(self, context: PluginContext, enabled_list: list[str] | None = None) -> list[PluginResult]:
         """
         Execute all domain plugins for a specific domain
 
diff --git a/src/plugins/builtin/cleanup.py b/src/plugins/builtin/cleanup.py
index 45ef13d..e0a7c23 100644
--- a/src/plugins/builtin/cleanup.py
+++ b/src/plugins/builtin/cleanup.py
@@ -21,16 +21,16 @@ Example Environment Variable:
     EASYHAPROXY_PLUGIN_CLEANUP_MAX_IDLE_TIME=600
 """
 
+import glob
 import os
 import sys
-import glob
 import time
 
 # Add parent directory to path for imports
 sys.path.insert(0, os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
 
-from plugins import PluginInterface, PluginType, PluginContext, PluginResult
 from functions import loggerEasyHaproxy
+from plugins import PluginContext, PluginInterface, PluginResult, PluginType
 
 
 class CleanupPlugin(PluginInterface):
diff --git a/src/plugins/builtin/cloudflare.py b/src/plugins/builtin/cloudflare.py
index f8cb0be..490c208 100644
--- a/src/plugins/builtin/cloudflare.py
+++ b/src/plugins/builtin/cloudflare.py
@@ -33,8 +33,8 @@ import sys
 # Add parent directory to path for imports
 sys.path.insert(0, os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
 
-from plugins import PluginInterface, PluginType, PluginContext, PluginResult
 from functions import loggerEasyHaproxy
+from plugins import PluginContext, PluginInterface, PluginResult, PluginType
 
 
 class CloudflarePlugin(PluginInterface):
diff --git a/src/plugins/builtin/deny_pages.py b/src/plugins/builtin/deny_pages.py
index 5335751..321255b 100644
--- a/src/plugins/builtin/deny_pages.py
+++ b/src/plugins/builtin/deny_pages.py
@@ -32,7 +32,7 @@ import sys
 # Add parent directory to path for imports
 sys.path.insert(0, os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
 
-from plugins import PluginInterface, PluginType, PluginContext, PluginResult
+from plugins import PluginContext, PluginInterface, PluginResult, PluginType
 
 
 class DenyPagesPlugin(PluginInterface):
diff --git a/src/plugins/builtin/fastcgi.py b/src/plugins/builtin/fastcgi.py
index c50206f..0a047b7 100644
--- a/src/plugins/builtin/fastcgi.py
+++ b/src/plugins/builtin/fastcgi.py
@@ -42,8 +42,7 @@ import sys
 # Add parent directory to path for imports
 sys.path.insert(0, os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
 
-from plugins import PluginInterface, PluginType, PluginContext, PluginResult
-from functions import loggerEasyHaproxy
+from plugins import PluginContext, PluginInterface, PluginResult, PluginType
 
 
 class FastcgiPlugin(PluginInterface):
@@ -124,7 +123,7 @@ class FastcgiPlugin(PluginInterface):
 
         # PATH_INFO support
         if self.path_info:
-            fcgi_app_lines.append(f"    path-info ^(/.+\\.php)(/.*)?$")
+            fcgi_app_lines.append("    path-info ^(/.+\\.php)(/.*)?$")
 
         # Set SCRIPT_FILENAME if customized
         if self.script_filename and self.script_filename != "%[path]":
diff --git a/src/plugins/builtin/ip_whitelist.py b/src/plugins/builtin/ip_whitelist.py
index b54265c..6265afc 100644
--- a/src/plugins/builtin/ip_whitelist.py
+++ b/src/plugins/builtin/ip_whitelist.py
@@ -33,7 +33,7 @@ import sys
 # Add parent directory to path for imports
 sys.path.insert(0, os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
 
-from plugins import PluginInterface, PluginType, PluginContext, PluginResult
+from plugins import PluginContext, PluginInterface, PluginResult, PluginType
 
 
 class IpWhitelistPlugin(PluginInterface):
diff --git a/src/plugins/builtin/jwt_validator.py b/src/plugins/builtin/jwt_validator.py
index 5a7b4af..b8fb5d0 100644
--- a/src/plugins/builtin/jwt_validator.py
+++ b/src/plugins/builtin/jwt_validator.py
@@ -74,8 +74,8 @@ import sys
 # Add parent directory to path for imports
 sys.path.insert(0, os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
 
-from plugins import PluginInterface, PluginType, PluginContext, PluginResult
 from functions import loggerEasyHaproxy
+from plugins import PluginContext, PluginInterface, PluginResult, PluginType
 
 
 class JwtValidatorPlugin(PluginInterface):
diff --git a/src/processor/__init__.py b/src/processor/__init__.py
index 3e363a3..3bad432 100644
--- a/src/processor/__init__.py
+++ b/src/processor/__init__.py
@@ -8,8 +8,7 @@ from kubernetes import client, config
 from kubernetes.client.rest import ApiException
 
 from easymapping import HaproxyConfigGenerator
-from functions import Functions, Consts, ContainerEnv
-from functions import loggerEasyHaproxy
+from functions import Consts, ContainerEnv, Functions, loggerEasyHaproxy
 
 
 class ProcessorInterface:
@@ -87,7 +86,7 @@ class ProcessorInterface:
 
     def save_certs(self, path):
         for cert in self.get_certs():
-            Functions.save("{0}/{1}".format(path, cert), self.get_certs(cert))
+            Functions.save(f"{path}/{cert}", self.get_certs(cert))
 
 
 class Static(ProcessorInterface):
@@ -502,7 +501,7 @@ class Kubernetes(ProcessorInterface):
                         if tls.secret_name not in self.cert_cache or self.cert_cache[tls.secret_name] != secret.data:
                             self.cert_cache[tls.secret_name] = secret.data
                             Functions.save(
-                                "{0}/{1}.pem".format(Consts.certs_haproxy, tls.secret_name),
+                                f"{Consts.certs_haproxy}/{tls.secret_name}.pem",
                                 base64.b64decode(secret.data["tls.crt"]).decode('ascii') + "\n" + base64.b64decode(
                                     secret.data["tls.key"]).decode('ascii')
                             )
diff --git a/tests/test_containerenv.py b/tests/test_containerenv.py
index 8fecdd3..71cea2e 100644
--- a/tests/test_containerenv.py
+++ b/tests/test_containerenv.py
@@ -1,6 +1,6 @@
 import os
 
-from functions import Functions, ContainerEnv
+from functions import ContainerEnv, Functions
 
 
 def test_container_env_empty():
diff --git a/tests/test_daemonize.py b/tests/test_daemonize.py
index 8f5bf1d..cf589ef 100644
--- a/tests/test_daemonize.py
+++ b/tests/test_daemonize.py
@@ -1,8 +1,6 @@
 import os
 
-import psutil
-
-from functions import DaemonizeHAProxy, Functions
+from functions import DaemonizeHAProxy
 
 
 def test_daemonize_haproxy():
diff --git a/tests/test_functions.py b/tests/test_functions.py
index 1189d20..129777f 100644
--- a/tests/test_functions.py
+++ b/tests/test_functions.py
@@ -1,14 +1,11 @@
 import logging
 import os
 import random
-import re
 import string
-from logging import Logger
-
-from functions import Functions, loggerEasyHaproxy, loggerCertbot, loggerHaproxy
-
 from io import StringIO
 
+from functions import Functions, loggerCertbot, loggerEasyHaproxy, loggerHaproxy
+
 log_stream = StringIO() # Create StringIO object
 log_handler = logging.StreamHandler(log_stream)
 log_formatter = logging.Formatter('%(levelname)s - %(message)s')
diff --git a/tests/test_labels.py b/tests/test_labels.py
index 14ce279..8b64429 100644
--- a/tests/test_labels.py
+++ b/tests/test_labels.py
@@ -22,7 +22,7 @@ def test_label_data():
 
 def test_label_complex_key():
     label = DockerLabelHandler("till")
-    
+
     data = dict()
     data["till.definitions"] = "h2"
     data["till.host.h2"] = "fqdn.example.org"
diff --git a/tests/test_parser.py b/tests/test_parser.py
index 519ffa0..f418ea8 100644
--- a/tests/test_parser.py
+++ b/tests/test_parser.py
@@ -12,7 +12,7 @@ CERTBOT_EMAIL = "some@email.com"
 
 def load_fixture(file):
     path = os.path.dirname(os.path.realpath(__file__))
-    with open(path + "/fixtures/" + file, 'r') as content_file:
+    with open(path + "/fixtures/" + file) as content_file:
         line_list = json.loads("".join(content_file.readlines()))
 
     return line_list
@@ -33,7 +33,7 @@ def test_parser_doesnt_crash():
 
     assert len(haproxy_config) > 0
     path = os.path.dirname(os.path.realpath(__file__))
-    with open(path + "/expected/no-services.txt", 'r') as expected_file:
+    with open(path + "/expected/no-services.txt") as expected_file:
         assert expected_file.read() == haproxy_config
     assert [] == cfg.certbot_hosts
 
@@ -56,7 +56,7 @@ def test_parser_finds_services():
 
     assert len(haproxy_config) > 0
     path = os.path.dirname(os.path.realpath(__file__))
-    with open(path + "/expected/services.txt", 'r') as expected_file:
+    with open(path + "/expected/services.txt") as expected_file:
         assert expected_file.read() == haproxy_config
 
     assert {"www.somehost.com.br.pem": "Some PEM Certificate"} == cfg.certs
@@ -86,7 +86,7 @@ def test_parser_finds_services_changed_label():
 
     assert len(haproxy_config) > 0
     path = os.path.dirname(os.path.realpath(__file__))
-    with open(path + "/expected/services.txt", 'r') as expected_file:
+    with open(path + "/expected/services.txt") as expected_file:
         assert expected_file.read() == haproxy_config
 
     assert {"www.somehost.com.br.pem": "Some PEM Certificate"} == cfg.certs
@@ -232,21 +232,21 @@ def test_parser_finds_services_raw():
 
 def test_parser_static():
     path = os.path.dirname(os.path.realpath(__file__))
-    with open(path + "/fixtures/static.yml", 'r') as content_file:
+    with open(path + "/fixtures/static.yml") as content_file:
         parsed = yaml.load(content_file.read(), Loader=yaml.FullLoader)
 
     cfg = easymapping.HaproxyConfigGenerator(parsed)
     haproxy_config = cfg.generate()
     assert len(haproxy_config) > 0
 
-    with open(path + "/expected/static.txt", 'r') as expected_file:
+    with open(path + "/expected/static.txt") as expected_file:
         assert expected_file.read() == haproxy_config
     assert [] == cfg.certbot_hosts
 
 
 def test_parser_static_raw():
     path = os.path.dirname(os.path.realpath(__file__))
-    with open(path + "/fixtures/static.yml", 'r') as content_file:
+    with open(path + "/fixtures/static.yml") as content_file:
         parsed = yaml.load(content_file.read(), Loader=yaml.FullLoader)
 
     expected = {
@@ -319,7 +319,7 @@ def test_parser_tcp():
 
     assert len(haproxy_config) > 0
     path = os.path.dirname(os.path.realpath(__file__))
-    with open(path + "/expected/services-tcp.txt", 'r') as expected_file:
+    with open(path + "/expected/services-tcp.txt") as expected_file:
         assert expected_file.read() == haproxy_config
     assert [] == cfg.certbot_hosts
 
@@ -339,7 +339,7 @@ def test_parser_multi_containers():
 
     assert len(haproxy_config) > 0
     path = os.path.dirname(os.path.realpath(__file__))
-    with open(path + "/expected/services-multi-containers.txt", 'r') as expected_file:
+    with open(path + "/expected/services-multi-containers.txt") as expected_file:
         assert expected_file.read() == haproxy_config
     assert [] == cfg.certbot_hosts
 
@@ -361,7 +361,7 @@ def test_parser_multiple_hosts():
 
     assert len(haproxy_config) > 0
     path = os.path.dirname(os.path.realpath(__file__))
-    with open(path + "/expected/services-multiple-hosts.txt", 'r') as expected_file:
+    with open(path + "/expected/services-multiple-hosts.txt") as expected_file:
         assert expected_file.read() == haproxy_config
     assert [] == cfg.certbot_hosts
 
@@ -382,7 +382,7 @@ def test_parser_redirect_ssl():
 
     assert len(haproxy_config) > 0
     path = os.path.dirname(os.path.realpath(__file__))
-    with open(path + "/expected/services-redirect-ssl.txt", 'r') as expected_file:
+    with open(path + "/expected/services-redirect-ssl.txt") as expected_file:
         assert expected_file.read() == haproxy_config
     assert [] == cfg.certbot_hosts
 
@@ -403,7 +403,7 @@ def test_parser_ssl_strict():
 
     assert len(haproxy_config) > 0
     path = os.path.dirname(os.path.realpath(__file__))
-    with open(path + "/expected/ssl-strict.txt", 'r') as expected_file:
+    with open(path + "/expected/ssl-strict.txt") as expected_file:
         assert expected_file.read() == haproxy_config
     assert [] == cfg.certbot_hosts
 
@@ -421,7 +421,7 @@ def test_parser_ssl_loose():
 
     assert len(haproxy_config) > 0
     path = os.path.dirname(os.path.realpath(__file__))
-    with open(path + "/expected/ssl-loose.txt", 'r') as expected_file:
+    with open(path + "/expected/ssl-loose.txt") as expected_file:
         assert expected_file.read() == haproxy_config
     assert [] == cfg.certbot_hosts
 
@@ -444,7 +444,7 @@ def test_parser_ssl_letsencrypt():
 
     assert len(haproxy_config) > 0
     path = os.path.dirname(os.path.realpath(__file__))
-    with open(path + "/expected/services-letsencrypt.txt", 'r') as expected_file:
+    with open(path + "/expected/services-letsencrypt.txt") as expected_file:
         assert expected_file.read() == haproxy_config
     assert ["test.example.org"] == cfg.certbot_hosts
 
@@ -561,7 +561,7 @@ def test_parser_fcgi():
     assert "172.17.0.3:9000" in haproxy_config
 
     path = os.path.dirname(os.path.realpath(__file__))
-    with open(path + "/expected/services-fcgi.txt", 'r') as expected_file:
+    with open(path + "/expected/services-fcgi.txt") as expected_file:
         assert expected_file.read() == haproxy_config
     assert [] == cfg.certbot_hosts
 
diff --git a/tests/test_plugins.py b/tests/test_plugins.py
index ae53f4c..f5775da 100644
--- a/tests/test_plugins.py
+++ b/tests/test_plugins.py
@@ -7,29 +7,29 @@ Tests all builtin plugins:
 - DenyPagesPlugin (domain)
 """
 
+import json
 import os
 import sys
-import json
 import tempfile
 import time
 
 # Add src to path
 sys.path.insert(0, os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
 
-from plugins import PluginManager, PluginContext
-from plugins.builtin.cloudflare import CloudflarePlugin
+import easymapping
+from plugins import PluginContext, PluginManager
 from plugins.builtin.cleanup import CleanupPlugin
+from plugins.builtin.cloudflare import CloudflarePlugin
 from plugins.builtin.deny_pages import DenyPagesPlugin
+from plugins.builtin.fastcgi import FastcgiPlugin
 from plugins.builtin.ip_whitelist import IpWhitelistPlugin
 from plugins.builtin.jwt_validator import JwtValidatorPlugin
-from plugins.builtin.fastcgi import FastcgiPlugin
-import easymapping
 
 
 def load_fixture(file):
     """Load a test fixture"""
     fixture_path = os.path.join(os.path.dirname(__file__), "fixtures", file)
-    with open(fixture_path, 'r') as content_file:
+    with open(fixture_path) as content_file:
         line_list = json.loads("".join(content_file.readlines()))
     return line_list
 
@@ -160,7 +160,7 @@ class TestCloudflarePlugin:
             assert os.path.exists(ip_list_path)
 
             # Verify file contains correct number of IPs
-            with open(ip_list_path, 'r') as f:
+            with open(ip_list_path) as f:
                 lines = [line.strip() for line in f if line.strip()]
                 assert len(lines) == 22
                 # Verify some known Cloudflare IPs are in the file