diff --git a/.env.example b/.env.example
index b6961b1..637f519 100644
--- a/.env.example
+++ b/.env.example
@@ -37,17 +37,17 @@ DB_ENGINE=sqlite
 # Ustaw DB_ENGINE=pgsql
 # Domyslny port PostgreSQL to 5432
 # Wymaga dzialajacego serwera PostgreSQL (np. kontener `postgres`)
-# Przyklad URI: postgresql://user:pass@db:5432/myapp
 
 # --- Konfiguracja dla mysql ---
 # Ustaw DB_ENGINE=mysql
 # Domyslny port MySQL to 3306
 # Wymaga kontenera z MySQL i uzytkownika z dostepem do bazy
-# Przyklad URI: mysql+pymysql://user:pass@db:3306/myapp
 
 # Wspolne zmienne (dla pgsql, mysql)
-DB_HOST=db
+# DB_HOST = pgsql lub mysql zgodnie z deployem (profil w docker-compose.yml)
+
+DB_HOST=pgsql 
 DB_PORT=5432
 DB_NAME=myapp
 DB_USER=user
-DB_PASSWORD=pass
+DB_PASSWORD=pass
\ No newline at end of file
diff --git a/docker-compose.yml b/docker-compose.yml
index 19ec0ed..cfc632d 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -27,10 +27,7 @@ services:
       POSTGRES_PASSWORD: ${DB_PASSWORD}
     volumes:
       - ./db/pgsql:/var/lib/postgresql/data
-    #ports:
-    #  - ":5432:5432"
     restart: unless-stopped
-    hostname: db
     profiles: ["pgsql"]
 
   mysql:
@@ -43,8 +40,5 @@ services:
       MYSQL_ROOT_PASSWORD: 89o38kUX5T4C
     volumes:
       - ./db/mysql:/var/lib/mysql
-    #ports:
-    #  - "3306:3306"
     restart: unless-stopped
-    hostname: db
-    profiles: ["mysql"]
+    profiles: ["mysql"]
\ No newline at end of file