update compose file

docker-compose.yml

@@ -5,17 +5,17 @@ services:
     image: postgres
     restart: always
     environment:
-      POSTGRES_USER: ${DB_USERNAME}
-      POSTGRES_PASSWORD: ${DB_PASSWORD}
-      POSTGRES_DB: ${DB_NAME}
+      POSTGRES_USER: ${POSTGRES_USER}
+      POSTGRES_PASSWORD: ${POSTGRES_PASSWORD}
+      POSTGRES_DB: ${POSTGRES_DB}
     ports:
-      - "${DB_PORT}:${DB_PORT}"
+      - 5432:5432
   pgadmin:
     container_name: pgadmin4_container
     image: dpage/pgadmin4
     restart: always
     environment:
-      PGADMIN_DEFAULT_EMAIL: admin@admin.com
-      PGADMIN_DEFAULT_PASSWORD: root
+      PGADMIN_DEFAULT_EMAIL: ${PGADMIN_DEFAULT_EMAIL}
+      PGADMIN_DEFAULT_PASSWORD: ${PGADMIN_DEFAULT_PASSWORD}
     ports:
-      - "5050:80"
+      - 5050:80