Body: <p>i am trying to instal Craft CMS 3 on hosting and everytime it is going to fall on:</p>
  
  <blockquote>
    <p>2019-07-05 16:33:55
    [-][-][-][error][craft\base\ApplicationTrait::getIsDbConnectionValid]
    There was a problem connecting to the database: Unsupported DB driver
    value:  2019-07-05 16:33:55
    [-][-][-][error][yii\base\InvalidConfigException]
    yii\base\InvalidConfigException: Unsupported DB driver value:  in
    /data/web/virtuals/136413/virtual/www/subdom/duetback/vendor/craftcms/cms/src/config/DbConfig.php:188</p>
  </blockquote>
  
  <p>On installation page i can se:</p>
  
  <blockquote>
    <p>An internal server error occurred.</p>
  </blockquote>
  
  <p>I have no idea, what is going on.</p>
  
  <p>On localhost everthing goes fine with same settings.</p>
  
  <p>Thank you!</p>
  
  <p>Ondrej</p>
  
Comments.ContentLicense: CC BY-SA 4.0
Comments.CreationDate: 2019-07-05T17:39:40.327Z
Comments.Text: How you confirmed that the database config and credentials in the .env file are correct, and that general.php is selecting the correct .env file?
Comments.UserDisplayName: Simon Kuran
Comments.ContentLicense: CC BY-SA 4.0
Comments.CreationDate: 2019-07-05T22:07:18.980Z
Comments.Text: I cannot get to installation, so i didnt fill the database config and credentials
  
  How can I set in general.php reference to .env file?
Comments.UserDisplayName: Ondrej
Comments.ContentLicense: CC BY-SA 4.0
Comments.CreationDate: 2019-07-07T21:27:16.680Z
Comments.Text: Rename this file to .env and fill in the correct values: https://github.com/craftcms/craft/blob/master/.env.example, then they get pulled into `config/db.php` by using `getenv()` https://github.com/craftcms/craft/blob/master/config/db.php
Comments.UserDisplayName: Brad Bell
Tags: <error><install><installation>
Title: Installing Craft CMS 3 on hosting - Unsupported DB driver value
ThreadText: # Installing Craft CMS 3 on hosting - Unsupported DB driver value
  
  (Asked by: username_0 on 2019-07-05)
  
  i am trying to instal Craft CMS 3 on hosting and everytime it is going to fall on:
  
  > 2019-07-05 16:33:55
  > [-][-][-][error][craft\base\ApplicationTrait::getIsDbConnectionValid]
  > There was a problem connecting to the database: Unsupported DB driver
  > value: 2019-07-05 16:33:55
  > [-][-][-][error][yii\base\InvalidConfigException]
  > yii\base\InvalidConfigException: Unsupported DB driver value: in
  > /data/web/virtuals/136413/virtual/www/subdom/duetback/vendor/craftcms/cms/src/config/DbConfig.php:188
  
  On installation page i can se:
  
  > An internal server error occurred.
  
  I have no idea, what is going on.
  
  On localhost everthing goes fine with same settings.
  
  Thank you!
  
  username_0
  
  **Tags:** error, install, installation
  
  > **Comments:**
  > **username_1**: How you confirmed that the database config and credentials in the .env file are correct, and that general.php is selecting the correct .env file?  
  > **username_0**: I cannot get to installation, so i didnt fill the database config and credentials  How can I set in general.php reference to .env file?  
  > **username_2**: Rename this file to .env and fill in the correct values: https://github.com/craftcms/craft/blob/master/.env.example, then they get pulled into `config/db.php` by using `getenv()` https://github.com/craftcms/craft/blob/master/config/db.php  
  
  ---
  
  ## 0 answers
  
  