chore: change docker compose file and .env.example

.env.example

@@ -10,4 +10,4 @@
 # should be updated accordingly.
 
 # Drizzle
-DATABASE_URL="postgresql://postgres:password@localhost:5432/novin"
+DATABASE_URL="postgresql://app_user:strong_password@localhost:5432/app_db"

docker-compose.yml

@@ -5,31 +5,18 @@ services:
     image: hub.hamdocker.ir/timescale/timescaledb:2.15.1-pg16
     container_name: postgres
     restart: unless-stopped
-
     environment:
       POSTGRES_DB: app_db
       POSTGRES_USER: app_user
       POSTGRES_PASSWORD: strong_password
-
     ports:
-      - "5469:5432"
-
+      - "5432:5432"
     volumes:
       - postgres_data:/var/lib/postgresql/data
-
     command: >
       postgres
       -c shared_preload_libraries=timescaledb
 
-  pgadmin:
-    image: hub.hamdocker.ir/dpage/pgadmin4
-    environment:
-      PGADMIN_DEFAULT_EMAIL: admin@example.com
-      PGADMIN_DEFAULT_PASSWORD: admin
-    ports:
-      - "5050:80"
-
-
 volumes:
   postgres_data: