diff --git a/.env.production b/.env.production
index 130ce74..a1fc7b7 100644
--- a/.env.production
+++ b/.env.production
@@ -14,7 +14,7 @@
 # https://symfony.com/doc/current/best_practices/configuration.html#infrastructure-related-configuration
 
 ###> symfony/framework-bundle ###
-APP_ENV=dev
+APP_ENV=prod
 APP_SECRET=597b0529ac702d27dcb9089f7e69c362
 #TRUSTED_PROXIES=127.0.0.1,127.0.0.2
 #TRUSTED_HOSTS='^localhost|example\.com$'
diff --git a/README.md b/README.md
index 7f0be8c..ed8f55f 100644
--- a/README.md
+++ b/README.md
@@ -7,12 +7,23 @@ https://framagit.org/framasoft/framadate/funky-framadate-front
 return stack of votes when we want to get the configuration of one poll (see [doc/examples.md](doc/examples.md))
 
 ***
+### Requirements
+You MUST have php version 7+ and [Composer](https://getcomposer.org/download/), and a database like Mysql, or postgresql, or mongodb, or any database that Doctrine can handle.
+Setup access to database by creating a .env.local file, and fill the database user and password data.
+you can check that the database connection works with the command:
+```bash  
+php bin/console doctrine:schema:validate
+```
+
+
 # Development
 install dependencies with Composer
 
 
 there are examples of request to make it all work.
 ## Getting started
+
+
 ### install the vendors
 ```bash
 composer install