diff --git a/config.py b/config.py
index e69de29..dfbc9ae 100644
--- a/config.py
+++ b/config.py
@@ -0,0 +1,40 @@
+import os
+basedir = os.path.abspath(os.path.dirname(__file__))
+
+class Config:
+    SECRET_KEY = os.environ.get('SECRET_KEY') or 'hard to guess string'
+    SQLALCHEMY_COMMIT_ON_TEARDOWN = True
+    FLASKY_MAIL_SUBJECT_PREFIX = '[dash-stack]'
+    FLASKY_MAIL_SENDER = 'dash-stack Admin <kelepirci@dash-stack.org>'
+    FLASKY_ADMIN = os.environ.get('DASH_STACK_ADMIN')
+    
+    @staticmethod
+    def init_app(dash):
+        pass
+        
+class DevelopmentConfig(Config):
+    DEBUG = True
+    MAIL_SERVER = 'smtp.googlemail.com'
+    MAIL_PORT = 587
+    MAIL_USE_TLS = True
+    MAIL_USERNAME = os.environ.get('MAIL_USERNAME')
+    MAIL_PASSWORD = os.environ.get('MAIL_PASSWORD')
+    SQLALCHEMY_DATABASE_URI = os.environ.get('DEV_DATABASE_URL') or \
+        'sqlite:///' + os.path.join(basedir, 'data-dev.sqlite')
+        
+class TestingConfig(Config):
+    TESTING = True
+    SQLALCHEMY_DATABASE_URI = os.environ.get('TEST_DATABASE_URL') or \
+        'sqlite:///' + os.path.join(basedir, 'data-test.sqlite')
+        
+class ProductionConfig(Config):
+    SQLALCHEMY_DATABASE_URI = os.environ.get('DATABASE_URL') or \
+        'sqlite:///' + os.path.join(basedir, 'data.sqlite')
+        
+config = {
+    'development': DevelopmentConfig,
+    'testing': TestingConfig,
+    'production': ProductionConfig,
+
+    'default': DevelopmentConfig
+}
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