add flash-attn installation flag in Dockerfile

Former-commit-id: e19491b0f0446f2fb2154cf14e0b2fbba5b54808

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 .
 

README_zh.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 .
 

docker/docker-cuda/Dockerfile

@@ -6,6 +6,7 @@ FROM nvcr.io/nvidia/pytorch:24.02-py3
 ARG INSTALL_BNB=false
 ARG INSTALL_VLLM=false
 ARG INSTALL_DEEPSPEED=false
+ARG INSTALL_FLASH_ATTN=false
 ARG PIP_INDEX=https://pypi.org/simple
 
 # Set the working directory
@@ -36,9 +37,11 @@ RUN EXTRA_PACKAGES="metrics"; \
     pip uninstall -y transformer-engine flash-attn
 
 # Rebuild flash-attn
-RUN ninja --version || \
+RUN if [ "$INSTALL_FLASH_ATTN" = "true" ]; then \
-    (pip uninstall -y ninja && pip install ninja) && \
+        ninja --version || \
-    MAX_JOBS=4 pip install --no-cache-dir flash-attn --no-build-isolation
+        (pip uninstall -y ninja && pip install ninja) && \
+        MAX_JOBS=4 pip install --no-cache-dir flash-attn --no-build-isolation \
+    fi;
 
 # Set up volumes
 VOLUME [ "/root/.cache/huggingface", "/root/.cache/modelscope", "/app/data", "/app/output" ]

docker/docker-cuda/docker-compose.yml

@@ -7,6 +7,7 @@ services:
         INSTALL_BNB: false
         INSTALL_VLLM: false
         INSTALL_DEEPSPEED: false
+        INSTALL_FLASH_ATTN: false
         PIP_INDEX: https://pypi.org/simple
     container_name: llamafactory
     volumes: