diff --git a/.env.example b/.env.example
index 5556d8dde..60a24519b 100644
--- a/.env.example
+++ b/.env.example
@@ -9,10 +9,10 @@ LOG_CHANNEL=stack
 L5_SWAGGER_GENERATE_ALWAYS=false
 
 DB_CONNECTION=mysql
-DB_HOST=127.0.0.1
+DB_HOST=mysql_service
 DB_PORT=3306
 DB_DATABASE=store
-DB_USERNAME=root
+DB_USERNAME=depth
 DB_PASSWORD=secret
 
 EMAIL_HOST=mail.example.com
diff --git a/docker-compose.yaml b/docker-compose.yaml
index b51baba95..405031b54 100644
--- a/docker-compose.yaml
+++ b/docker-compose.yaml
@@ -6,6 +6,7 @@ services:
     ports:
     - 80:80
     volumes:
+    - vendor-volume:/usr/src/app/vendor
     - .:/usr/src/app
     command:
     - bash
@@ -18,16 +19,21 @@ services:
         touch /usr/src/init
       fi
       exec apache2-foreground
-  mysql:
+  mysql_service:
     image: mysql:8.0
     restart: always
     ports:
-    - 3306:3306
+    - ${DB_PORT}:3306
     environment:
-      MYSQL_ROOT_PASSWORD: secret
-      MYSQL_DATABASE: store
+      MYSQL_RANDOM_ROOT_PASSWORD: 'yes'
+      MYSQL_USER: ${DB_USERNAME}
+      MYSQL_PASSWORD: ${DB_PASSWORD}
+      MYSQL_DATABASE: ${DB_DATABASE}
   adminer:
     image: adminer
     restart: always
     ports:
-    - 81:8080
\ No newline at end of file
+    - 81:8080
+
+volumes: 
+  vendor-volume:
\ No newline at end of file
diff --git a/readme.md b/readme.md
index 63c20f5d5..55c74639a 100644
--- a/readme.md
+++ b/readme.md
@@ -54,6 +54,11 @@ Wejście do kontenera (lub z aplikacji)
 docker exec -it depth(lub inna nazwa katalogu projektu)_app_1 bash
 ```
 
+Skasowanie środowiska
+```
+docker-compose down -v
+```
+
 ## Styl kodu
 Ustaw twoje IDE, zeby korzystało z pliku .editorconfig. W VS Code jest na to dodatek.