diff --git a/README.rst b/README.rst
index dfd5a50d5..637a90cd3 100644
--- a/README.rst
+++ b/README.rst
@@ -56,6 +56,18 @@ Development Environment Installation
 
 * Either run ``./manage.py migrate`` (for an empty database) or restore a database dump.
 
+* In ``sapl/sapl`` directory create one file called ``.env``. Write the following attributes in it:
+
+  - DATABASE_URL = postgresql://USER:PASSWORD@HOST:PORT/NAME
+  - SECRET_KEY = Generate some key and paste here
+  - DEBUG = [True/False]
+  - EMAIL_USE_TLS = [True/False]
+  - EMAIL_PORT = [Set this parameter]
+  - EMAIL_HOST = [Set this parameter]
+  - EMAIL_HOST_USER = [Set this parameter]
+  - EMAIL_HOST_PASSWORD = [Set this parameter]
+
+`Generate your secret key here <https://docs.djangoproject.com/es/1.9/ref/settings/#std:setting-SECRET_KEY>`_
 
 Instructions for Translators
 ============================
diff --git a/requirements/requirements.txt b/requirements/requirements.txt
index fa666f49b..3e2575f11 100644
--- a/requirements/requirements.txt
+++ b/requirements/requirements.txt
@@ -1,10 +1,11 @@
-
+dj-database-url
 django-admin-bootstrapped==2.5.7
 django-bootstrap3==7.0.0
 django-bower==5.1.0
 django-braces==1.8.1
 django-compressor==2.0
 django-crispy-forms==1.6.0
+python-decouple==3.0
 django-extra-views==0.7.1
 django-model-utils==2.4
 django-sass-processor==0.3.4
diff --git a/sapl/settings.py b/sapl/settings.py
index 996a0824f..903a7a016 100644
--- a/sapl/settings.py
+++ b/sapl/settings.py
@@ -14,16 +14,21 @@ from unipath import Path
 from .temp_suppress_crispy_form_warnings import \
     SUPRESS_CRISPY_FORM_WARNINGS_LOGGING
 
+from decouple import config
+
+from dj_database_url import parse as db_url
+
 BASE_DIR = Path(__file__).ancestor(2)
 
+
 # Quick-start development settings - unsuitable for production
 # See https://docs.djangoproject.com/en/1.8/howto/deployment/checklist/
 
 # SECURITY WARNING: keep the secret key used in production secret!
-SECRET_KEY = '!9g1-#la+#(oft(v-y1qhy$jk-2$24pdk69#b_jfqyv!*%a_)t'
+SECRET_KEY = config('SECRET_KEY')
 
 # SECURITY WARNING: don't run with debug turned on in production!
-DEBUG = True
+DEBUG = config('DEBUG', default=False, cast=bool)
 
 ALLOWED_HOSTS = ['*']
 
@@ -105,21 +110,17 @@ WSGI_APPLICATION = 'sapl.wsgi.application'
 # https://docs.djangoproject.com/en/1.8/ref/settings/#databases
 
 DATABASES = {
-    'default': {
-        'ENGINE': 'django.db.backends.postgresql_psycopg2',
-        'NAME': 'sapl',
-        'USER': 'sapl',
-        'PASSWORD': 'sapl',
-        'HOST': 'localhost',
-        'PORT': '5432',
-    }
+    'default': config(
+        'DATABASE_URL',
+        cast=db_url,
+    )
 }
 
-EMAIL_USE_TLS = True
-EMAIL_HOST = ''
-EMAIL_HOST_USER = ''
-EMAIL_HOST_PASSWORD = ''
-EMAIL_PORT = 587
+EMAIL_USE_TLS = config('EMAIL_USE_TLS', cast=bool)
+EMAIL_HOST = config('EMAIL_HOST', cast=str)
+EMAIL_HOST_USER = config('EMAIL_HOST_USER', cast=str)
+EMAIL_HOST_PASSWORD = config('EMAIL_HOST_PASSWORD', cast=str)
+EMAIL_PORT = config('EMAIL_PORT', cast=int)
 
 MAX_DOC_UPLOAD_SIZE = 5*1024*1024  # 5MB
 MAX_IMAGE_UPLOAD_SIZE = 2*1024*1024  # 2MB
diff --git a/sapl/test_config.py b/sapl/test_config.py
new file mode 100644
index 000000000..fa0f8e621
--- /dev/null
+++ b/sapl/test_config.py
@@ -0,0 +1,25 @@
+from .settings import EMAIL_PORT
+from .settings import SECRET_KEY
+from .settings import DEBUG
+from .settings import DATABASES
+from .settings import EMAIL_USE_TLS
+from .settings import EMAIL_HOST
+from .settings import EMAIL_HOST_USER
+from .settings import EMAIL_HOST_PASSWORD
+
+data = DATABASES.get('default')
+
+
+def test_config():
+    assert EMAIL_PORT == 587
+    assert SECRET_KEY == '!9g1-#la+#(oft(v-y1qhy$jk-2$24pdk69#b_jfqyv!*%a_)t'
+    assert DEBUG is True
+    assert data.get('NAME') == 'sapl'
+    assert data.get('USER') == 'sapl'
+    assert data.get('PASSWORD') == 'sapl'
+    assert data.get('HOST') == 'localhost'
+    assert data.get('PORT') == '5432'
+    assert EMAIL_USE_TLS is True
+    assert EMAIL_HOST == 'smtp.interlegis.leg.br'
+    assert EMAIL_HOST_USER == 'sapl-test'
+    assert EMAIL_HOST_PASSWORD == '2BhCwbGHcZ'