diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..2eea525
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+.env
\ No newline at end of file
diff --git a/Core/Configuration/Settings.class.php b/Core/Configuration/Settings.class.php
index 61452f4..e0b7337 100644
--- a/Core/Configuration/Settings.class.php
+++ b/Core/Configuration/Settings.class.php
@@ -121,14 +121,13 @@ class Settings {
 
     // rate limiting
     $settings->redisPort = 6379;
+    $settings->redisPassword = "";
     if (isDocker()) {
       $settings->rateLimitingEnabled = true;
       $settings->redisHost = "webbase-redis";
-      $settings->redisPassword = "webbase-redis";
     } else {
       $settings->rateLimitingEnabled = false;
       $settings->redisHost = "";
-      $settings->redisPassword = "";
     }
 
     return $settings;
diff --git a/Core/Documents/Install.class.php b/Core/Documents/Install.class.php
index 35f0708..2969b84 100644
--- a/Core/Documents/Install.class.php
+++ b/Core/Documents/Install.class.php
@@ -710,14 +710,13 @@ namespace Documents\Install {
       if (isDocker()) {
         $defaultHost = "db";
         $defaultUsername = "root";
-        $defaultPassword = "webbasedb";
         $defaultDatabase = "webbase";
       } else {
         $defaultHost = "localhost";
         $defaultUsername = "";
-        $defaultPassword = "";
         $defaultDatabase = "";
       }
+      $defaultPassword = "";
 
       $views = array(
         self::CHECKING_REQUIREMENTS => array(
diff --git a/README.md b/README.md
index b8b1f81..05b23b9 100644
--- a/README.md
+++ b/README.md
@@ -31,9 +31,10 @@ I actually don't know what i want to implement here. There are quite to many CMS
 3. Open the webapp in your browser and follow the installation guide
 
 ### Docker Installation
-1. `docker-compose build`
-2. `docker-compose up`
-3. Open the webapp in your browser and follow the installation guide
+1. Create an `.env` file with `MYSQL_ROOT_PASSWORD` AND `REDIS_PASSWORD`
+2. `docker-compose build`
+3. `docker-compose up`
+4Open the webapp in your browser and follow the installation guide
 3a. Since the docker runs as user www-data (33), the following permissions are recommended and at least necessary for the installation process:
 ```
 chown -R :33 .
diff --git a/docker-compose.yml b/docker-compose.yml
index 5072a38..faf503c 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -18,8 +18,8 @@ services:
     ports:
       -  '3306:3306'
     environment:
-      - "MYSQL_ROOT_PASSWORD=webbasedb"
-      - "MYSQL_DATABASE=webbase"
+      MYSQL_ROOT_PASSWORD: ${MYSQL_ROOT_PASSWORD}
+      MYSQL_DATABASE: webbase
   php:
     container_name: webbase-php
     volumes:
@@ -35,7 +35,7 @@ services:
     image: redis:latest
     ports:
       - '6379:6379'
-    command: redis-server --save 20 1 --loglevel warning --requirepass webbase-redis
+    command: redis-server --save 20 1 --loglevel warning --requirepass ${REDIS_PASSWORD}
     volumes:
       - cache:/data
 volumes: