diff --git a/README.md b/README.md
index 132df45..8664f43 100755
--- a/README.md
+++ b/README.md
@@ -1,11 +1,8 @@
 #Funky Framadate API
-Experimental REST backend in symfony 5 for Funky framadate frontend.
+REST backend in symfony 5 for Funky framadate frontend.
 https://framagit.org/framasoft/framadate/funky-framadate-front
 
-Follow this guide to setup.
-* run `composer install`
-configure env by creating local env file 
-`cp .env .env.local` and edit the file variables to give access to database.
+
 
 ## TODO:
 * coordinate properties and paths to be more restful.
@@ -14,7 +11,7 @@ return stack of votes when we want to get the configuration of one poll (see [do
 
 ***
 ### Requirements
-You MUST have php version 8+ and [Composer](https://getcomposer.org/download/), and a database like Mysql, or postgresql, or mongodb, or any database that Doctrine can handle.
+You MUST have [php version 8+ (see installation doc)](doc/php-8-install.md) 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  
@@ -22,11 +19,21 @@ php bin/console doctrine:schema:validate
 ```
 
 ## Getting started
+Follow this guide to setup.
 
 # Development
 install dependencies with Composer
 
+configure env by creating local env file
+```
+cp .env .env.local
+```
+and edit the file variables to give access to database.
 
+Launch dev server with the "symfony" cli tool:
+```
+symfony serve
+```
 there are examples of request to make it all work in the [doc/examples.md](doc/examples.md).
 
 ### Check prerequisites
@@ -50,7 +57,8 @@ configure env by creating local env file
 
 ## TODO:
 * coordinate properties and paths to be more restful.
-
+  https://stackoverflow.blog/2020/03/02/best-practices-for-rest-api-design/
+  
 return stack of votes when we want to get the configuration of one poll (see [doc/examples.md](doc/examples.md))
 
 ***
diff --git a/doc/php-8-install.md b/doc/php-8-install.md
new file mode 100644
index 0000000..92427a1
--- /dev/null
+++ b/doc/php-8-install.md
@@ -0,0 +1,13 @@
+# Installer PHP-8
+
+D'abord il vous faut vous débarasser des versions précédentes de php (si vous ne lancez pas ce projet à partir de docker).
+```bash
+sudo apt purge php-common
+```
+
+Pour Ubuntu / Debian, utilisez le ppa suivant. Mettez à jour Apt, puis installez php et hop, vous avez la version 8.
+```bash
+sudo add-apt-repository ppa:ondrej/php
+sudo apt install php8.0 php8.0-fpm php8.0-mysql php8.0-bcrypt nginx
+
+```
diff --git a/symfony.lock b/symfony.lock
index b5340bf..be784fa 100644
--- a/symfony.lock
+++ b/symfony.lock
@@ -159,6 +159,9 @@
     "nikic/php-parser": {
         "version": "v4.10.4"
     },
+    "php": {
+        "version": "8.0"
+    },
     "phpstan/phpdoc-parser": {
         "version": "0.4.14"
     },
@@ -299,9 +302,6 @@
     "symfony/options-resolver": {
         "version": "v5.2.4"
     },
-    "symfony/orm-pack": {
-        "version": "v2.1.0"
-    },
     "symfony/polyfill-intl-grapheme": {
         "version": "v1.22.1"
     },