fix: disable build isolation for rocm280 dependency install

Flash-attn's build hooks import torch, which fails under pip build isolation during micropipenv installation in the py312-rocm64-torch280 image. Set PIP_NO_BUILD_ISOLATION=1 for the install step so torch is visible and the image build no longer fails at flash-attn resolution.

Co-authored-by: Cursor <cursoragent@cursor.com>

Author: 2 people

images/runtime/training/py312-rocm64-torch280/Dockerfile

@@ -56,7 +56,7 @@ RUN pip install --no-cache-dir -U "micropipenv[toml]"
 # Install Python dependencies from Pipfile.lock file
 COPY Pipfile.lock ./
 
-RUN micropipenv install -- --no-cache-dir && \
+RUN PIP_NO_BUILD_ISOLATION=1 micropipenv install -- --no-cache-dir && \
     rm -f ./Pipfile.lock && \
     # Fix permissions to support pip in OpenShift environments \
     chmod -R g+w /opt/app-root/lib/python3.12/site-packages && \