change timeouts

Dockerfile

@@ -145,6 +145,9 @@ ENV DEFAULT_MODEL=QuantFactory/Qwen2.5-7B-Instruct-GGUF:q4_k_m \
     MANAGER_PORT=7860 \
     WORKER_BASE_PORT=8080 \
     SWITCH_TIMEOUT_SEC=300 \
+    REQUEST_TIMEOUT_SEC=300 \
+    DEFAULT_MAX_TOKENS=2048 \
+    MAX_TOKENS_PER_REQUEST=4096 \
     MODEL_N_CTX=8192 \
     MODEL_THREADS=4 \
     MODEL_NGL=0 \