update: delete env file

.env.example

@@ -1,17 +1,20 @@
-COMPOSE_PROJECT_NAME=model-platform-refactored
+COMPOSE_PROJECT_NAME=model-platform
 
-# ports
-BACKEND_PORT=8010
-RUNTIME_PORT=8012
-SCHEDULE_PORT=8013
+# External port of the Nginx gateway. Only Nginx is exposed to the host
+# (architecture §2.2); backend/runtime/schedule stay on the Docker internal
+# network. Override here to expose Nginx on a different host port.
+GATEWAY_PORT=8888
 
 # MySQL connection URI (async SQLAlchemy driver)
 DATABASE_URL=mysql+asyncmy://model_platform:ChangeMe_MySQL_App_2026@mysql:3306/model_platform?charset=utf8mb4
 
-# Object storage (S3-compatible) endpoints
-RUSTFS_INTERNAL_ENDPOINT=http://rustfs:9000
-RUSTFS_PUBLIC_ENDPOINT=http://localhost:9010
+# Object storage (S3-compatible, RustFS).
+# RUSTFS_ENDPOINT is the single upstream URL consumed by all 4 services:
+#   - nginx (via scripts/nginx-entrypoint.sh, which parses host + port)
+#   - backend / runtime / schedule (passed through to boto3 / rclone)
+# RUSTFS_ACCESS_KEY / RUSTFS_SECRET_KEY are read by Python code in
+# backend/ and schedule/ (boto3 credentials).
+RUSTFS_ENDPOINT=http://rustfs:9000
 RUSTFS_ACCESS_KEY=modelplatform
 RUSTFS_SECRET_KEY=ChangeMe_RustFS_2026
-RUSTFS_API_PORT=9010
-RUSTFS_CONSOLE_PORT=9011
+