DATABASE_URL with version and charset

_documentation/fresh-ubuntu-18.md

@@ -157,9 +157,9 @@ composer install --optimize-autoloader -n
 vim .env
 ```
 
-Configure the above created database credentials:
+Configure the database connection and adjust the settings to your needs (compare with the [original .env file]({{ site.kimai_v2_repo }}/blob/main/.env.dist)):
 ```
-DATABASE_URL=mysql://kimai2:[email protected]:3306/kimai2
+DATABASE_URL=mysql://kimai2:[email protected]:3306/kimai2?charset=utf8&serverVersion=5.7
 ```
 
 And execute the Kimai installation:

_documentation/installation.md

@@ -300,7 +300,7 @@ mG0%2Fd1%403aT.Z%29s
 
 Then your `DATABASE_URL` might look like this:
 ```
-DATABASE_URL=mysql://root:mG0%2Fd1%403aT.Z%[email protected]:3306/kimai2
+DATABASE_URL=mysql://root:mG0%2Fd1%403aT.Z%[email protected]:3306/kimai2?charset=utf8&serverVersion=5.7
 ```
 
 ### Which user to use, www-data, httpd or your own?

_documentation/synology.md

@@ -60,7 +60,7 @@ therefore the connection string in your `.env` file could look different from th
 default [installation]({% link _documentation/installation.md %}) docs:
 
 ```
-DATABASE_URL="mysql://kimai2:password@localhost:3307/kimai2?unix_socket=/run/mysqld/mysqld10.sock"
+DATABASE_URL="mysql://kimai2:password@localhost:3307/kimai2?unix_socket=/run/mysqld/mysqld10.sock?charset=utf8&serverVersion=5.7"
 ```
 
 BTW: You find the MariaDB executable at `/volume1/@appstore/MariaDB10/usr/local/mariadb10/bin`.

_documentation/webserver-configuration.md

@@ -116,7 +116,7 @@ which needs to be allowed by Apache via `AllowOverride All`.
     # optionally set the value of the environment variables used in the application
     #SetEnv APP_ENV prod
     #SetEnv APP_SECRET <app-secret-id>
-    #SetEnv DATABASE_URL "mysql://db_user:db_pass@host:3306/db_name"
+    #SetEnv DATABASE_URL "mysql://db_user:db_pass@host:3306/db_name?charset=utf8&serverVersion=5.7"
 </VirtualHost>
 ```