@@ -15,7 +15,8 @@ Great LAMP devstack based on **Docker** & **Docker Compose** for you home progra
 - PHP 7.1 + Composer + PHPMailer
 - PHP 5.6 + Composer + PHPMailer
 - NodeJS 6.7.x + NPM 3.10.x
-- MariaDB 10.1.x
+- MariaDB 10.1
+- PostgreSQL 9.6
 - Adminer 4.2.5
 
 ## Install
@@ -54,29 +55,57 @@ I have prepared docker configuration file for you. You can [download it here](ht
 wget https://raw.githubusercontent.com/dockette/devstack/master/docker-compose.yml
 ```
 
-If you didn't changed `DEVSTACK_DOCKER` varible, you should place your `docker-compose.yml` file to your user's folder `~/.devstack/docker-compose.yml`.
+If you didn't change the `DEVSTACK_DOCKER` variable, you should place your `docker-compose.yml` file to your user's folder `~/.devstack/docker-compose.yml`.
 
-After you've followed install section, your devstack should be prepared. One thing left, you have to configure your devstack. 
+After you've followed install section, your devstack should be well prepared. One thing left, you should configure your devstack (passwords, folders, etc). 
 
 You should: 
- - setup your [**data homeland**](https://github.com/dockette/devstack/blob/master/docker-compose.yml#L98-L100)
- - setup mysql [**root password**](https://github.com/dockette/devstack/blob/master/docker-compose.yml#L92-L93)
+ - setup your [**data homeland**](https://github.com/dockette/devstack/blob/master/docker-compose.yml#L100-L102)
+ - setup MySQL [**root password**](https://github.com/dockette/devstack/blob/master/docker-compose.yml#L71-L73)
+ - setup PostgreSQL [**root password**](https://github.com/dockette/devstack/blob/master/docker-compose.yml#L93-L95)
 
 ### Userdirs
 
 There are two kind of users inside these containers, **root** (main unix user) and **dfx** (special user with uid 1000 in all `dockette` based images).
 
-You can find it in docker-compose.yml [file in section/container](https://github.com/dockette/devstack/blob/master/docker-compose.yml#L105-L109).
+You can find it in docker-compose.yml [file in section/container](https://github.com/dockette/devstack/blob/master/docker-compose.yml#L107-L113).
 
 On the containers startup, your `users dir` are attached to `php7`, `php56`, `nodejs` containers. You could create your own `.bash_profile`, `.bashrc` files 
 for easier manipulation inside docker containers.
 
-There used to be a skeleton in ubuntu/debian/mint system. 
+[**TIP**] There used to be a skeleton in ubuntu/debian/mint system. 
 
 ```sh
 cp /etc/skel/.bashrc <path-to-dfx-userdir>/.bashrc
 ```
 
+### PHP
+
+PHP container provide a few environment variables you can override: 
+
+#### `xdebug`
+
+| Key               | Value                          |
+|-------------------|--------------------------------|
+| `PHP_IDE_CONFIG`  | serverName=devstack.webserver  |
+| `XDEBUG_CONFIG`   | idekey=PHPSTORM                |
+
+#### `phpmailer`
+
+Phpmailer store all mails send via `mail()` function to `/srv/mail` folder by default. You can change it.
+
+| Key               | Value      |
+|-------------------|------------|
+| `PHPMAILER_PATH`  | /srv/mail  |
+
+### MySQL / MariaDB
+
+MariaDB's default root password is `root`. You should change it.
+
+### PostgreSQL
+
+PostgreSQL's default root password is `root`. You should change it.
+
 ## Hosts
 
 By default is devstack available on domains:
 
@@ -69,6 +69,7 @@ services:
       - ./data/mariadb:/var/lib/mysql
 
     environment:
+      # Change in your devstack!
       - MYSQL_ROOT_PASSWORD=root
 
   adminer:
@@ -90,6 +91,7 @@ services:
       - ./data/postgres:/var/lib/postgresql/data
 
     environment:
+      # Change in your devstack!
       - POSTGRES_PASSWORD=root
 
   data:
@@ -103,9 +105,11 @@ services:
     image: busybox
 
     volumes:
-      # It's root's home folder. You can store here .npm, .composer cache etc.
+      # It's root's home folder. 
+      # You can store here .npm, .composer cache etc.
       - ./data/root-dir:/root
-      # It's root's home folder. You can store here .npm, .composer cache etc.
+      # It's dfx's home folder. 
+      # You can store here .npm, .composer cache etc.
       - ./data/dfx-dir:/home/dfx
 
 networks: