Merge pull request #4461 from hzhaoy/feature/support-flash-attn

support flash-attn in Dockerfile

Former-commit-id: e30a47ab5bda9303c8a2eb814caf0dd40c01b125

README.md

@@ -444,6 +444,7 @@ docker build -f ./docker/docker-cuda/Dockerfile \
     --build-arg INSTALL_BNB=false \
     --build-arg INSTALL_VLLM=false \
     --build-arg INSTALL_DEEPSPEED=false \
+    --build-arg INSTALL_FLASH_ATTN=false \
     --build-arg PIP_INDEX=https://pypi.org/simple \
     -t llamafactory:latest .