diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 1df1192..75b2b8d 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -1,3 +1,12 @@
 # Contributing
 
-Add later
+All contributions that try to improve the project in any way are welcome.
+
+The only prerequisites are:
+
+- Be respectful
+
+- When describing an issue or a new feature, try to provide as much information as possible
+
+- All your python code contributions, should be formatted by `black`. An easy way to do it, is to run the following command after completing your changes:
+  > \$ black .
diff --git a/README.md b/README.md
index 2adc97f..e00b008 100644
--- a/README.md
+++ b/README.md
@@ -7,4 +7,21 @@ Feel free to fork and play with it.
 
 # Setup development environment
 
-Instructions will be added soon
+To run the project locally you just need to have a machine with `python` and `pipenv` installed then:
+
+1. Install redis-server
+
+2. Copy the sample file with the environment variables:
+
+   > \$ cp .env.sample .env
+
+3. Replace the configuration variables
+
+4. Install the dependencies
+
+   > \$ pipenv install --dev
+
+5. Run the server
+   > \$ pipenv run python manage.py runserver
+
+Then the project should be available on: `http://localhost:8000`
diff --git a/callbacks/apps.py b/callbacks/apps.py
index 1d69586..3de7790 100644
--- a/callbacks/apps.py
+++ b/callbacks/apps.py
@@ -2,4 +2,4 @@ from django.apps import AppConfig
 
 
 class CallbacksConfig(AppConfig):
-    name = 'callbacks'
+    name = "callbacks"
diff --git a/callbacks/routing.py b/callbacks/routing.py
index 6e17bbe..f566c83 100644
--- a/callbacks/routing.py
+++ b/callbacks/routing.py
@@ -2,6 +2,4 @@ from django.conf.urls import url
 
 from .consumers import WebhookConsumer
 
-websocket_urlpatterns = [
-    url(r'^ws/callback/(?P<uuid>[^/]+)/$', WebhookConsumer),
-]
+websocket_urlpatterns = [url(r"^ws/callback/(?P<uuid>[^/]+)/$", WebhookConsumer)]
diff --git a/manage.py b/manage.py
index 72d097d..5464b5e 100755
--- a/manage.py
+++ b/manage.py
@@ -2,8 +2,8 @@
 import os
 import sys
 
-if __name__ == '__main__':
-    os.environ.setdefault('DJANGO_SETTINGS_MODULE', 'webhook_logger.settings')
+if __name__ == "__main__":
+    os.environ.setdefault("DJANGO_SETTINGS_MODULE", "webhook_logger.settings")
     try:
         from django.core.management import execute_from_command_line
     except ImportError as exc:
diff --git a/webhook_logger/routing.py b/webhook_logger/routing.py
index cca1c69..d7fbbd2 100644
--- a/webhook_logger/routing.py
+++ b/webhook_logger/routing.py
@@ -1,6 +1,4 @@
 from channels.routing import ProtocolTypeRouter, URLRouter
 from callbacks.routing import websocket_urlpatterns
 
-application = ProtocolTypeRouter({
-    "websocket": URLRouter(websocket_urlpatterns)
-})
+application = ProtocolTypeRouter({"websocket": URLRouter(websocket_urlpatterns)})
diff --git a/webhook_logger/wsgi.py b/webhook_logger/wsgi.py
index d62ca63..0b2d137 100644
--- a/webhook_logger/wsgi.py
+++ b/webhook_logger/wsgi.py
@@ -11,6 +11,6 @@ import os
 
 from django.core.wsgi import get_wsgi_application
 
-os.environ.setdefault('DJANGO_SETTINGS_MODULE', 'webhook_logger.settings')
+os.environ.setdefault("DJANGO_SETTINGS_MODULE", "webhook_logger.settings")
 
 application = get_wsgi_application()