diff --git a/README.md b/README.md
index 57feae92b1a2b4202bf6819fb359782a30132b28..8a19241c8a1fe93f15f2263b8222e568a9a86a4a 100755
--- a/README.md
+++ b/README.md
@@ -1 +1,113 @@
 # EduGAIN Attribute Release Check
+
+## Application description
+
+## Application deployment 
+
+### Application requirements for web interface deployment
+
+1. Web server Apache / nginx 
+2. PHP 7.4+
+3. Database manager mysql / mariadb
+4. Composer
+
+### Application's environment setup example 
+
+1. nginx setup example 
+- example of nginx configuration for application
+```
+server {
+        listen        80;
+        server_name   earc.edugain.org;
+
+        access_log   /var/log/nginx/access.log  main;
+        error_log   /var/log/nginx/error.log warn;
+        root  /var/www/earc/public; #EARC application root /var/www/earc
+
+        index index.php;
+
+        location / {
+                try_files $uri $uri/ /index.php?$query_string;
+        }
+
+        location ~ \.php$
+        {
+                fastcgi_pass 127.0.0.1:9000;
+                fastcgi_param  SCRIPT_FILENAME  $document_root$fastcgi_script_name;
+                include fastcgi_params;
+        }
+}
+```
+- check nginx configuration for errors
+```
+sudo nginx -t
+```
+- reload nginx configuration without restart
+```
+sudo nginx -s reload
+``` 
+
+2. Web application require following PHP extensions
+```
+- bcmath
+- ctype
+- fileinfo
+- json
+- mbstring
+- openssl
+- pdo
+- tokenizer
+- xml
+```
+- check installed PHP extestions using:
+```
+php -m
+```
+- install missing extensions
+
+3. Setup DB for application
+- add DB using
+```
+CREATE DATABASE earc;
+```
+- add DB user and grants. Grant all rights and FILE operations 
+```
+CREATE USER 'travellist_user'@'%' IDENTIFIED WITH mysql_native_password BY 'password';
+GRANT ALL ON earc.* TO 'earc_user'@'localhost';
+GRANT FILE ON earc.* TO 'earc_user'@'localhost';
+```
+
+### Application setup
+
+0. clone application to /var/www/earc 
+1. install vendor 
+- from application root run 
+```
+composer install
+```
+2. create and populate application's .env file 
+- from application root run 
+```
+cp .env.example .env
+php artisan key:generate
+```
+- clear cached configuration
+```
+php artisan config:cache
+```
+3. populate basic configuration for simpleSAMLphp
+- from application root run
+```
+cp vendor/simplesamlphp/simplesamlphp/config-templates/config.php vendor/simplesamlphp/simplesamlphp/config/config.php
+```
+4. simplesaml sp-remote-metadata : !!!to do automatically
+currently found here : technical-test>edugain.org /var/www/earc-deployed/releases/1541529858
+
+5. configure and populate database
+- update database configuration file by addind username, password and database: config/database.php
+- populate database using prepared migration. From application root run:
+```
+php artisan migrate
+```
+
+6. check application
\ No newline at end of file
diff --git a/composer.json b/composer.json
index fd2a5645e862f23fedba1a2b6d03ccf24a408434..f09e7be04d3d2199a8f21186d31b2a1e7bff2149 100755
--- a/composer.json
+++ b/composer.json
@@ -5,7 +5,7 @@
     "license": "MIT",
     "type": "project",
     "require": {
-        "php": "7.4|^8.0",
+        "php": "^7.4|^8.0",
         "laravel/framework": "^8.0",
         "simplesamlphp/simplesamlphp": "v1.19.2",
         "doctrine/dbal": "^3.1"
diff --git a/config/database.php b/config/database.php
index 0ec83b30d0290c1a0581dff29f2fca344f18f7f0..f3ab5678bb8661a37fdd86aeb50fa688512ee765 100755
--- a/config/database.php
+++ b/config/database.php
@@ -56,8 +56,6 @@ return [
             'charset' => 'utf8',
             'collation' => 'utf8_unicode_ci',
             'prefix' => '',
-            'strict' => false,
-            'engine' => null,
             'modes'       => [
                 'ONLY_FULL_GROUP_BY',
                 'STRICT_TRANS_TABLES',