Final fix for Dockerfile syntax: ensure chmod +x is a standalone RUN command

Dockerfile

@@ -49,26 +49,16 @@ RUN . $CONDA_DIR/etc/profile.d/conda.sh && \
         torchaudio==2.3.1 \
         --index-url https://download.pytorch.org/whl/cu121
 
-# Install Transformer Engine
-# Assuming you have the transformer_engine_torch-1.12.0+cu121-cp310-cp310-linux_x86_64.whl copied to /tmp/
-# If you are still trying to compile it, ensure the symlinks are in place.
-# If you are using the wheel, ensure the COPY command for the wheel is present.
-# Based on your last successful LFS push, it seems you are trying to install the wheel.
-# The previous comment in your Dockerfile was `#pip install transformer-engine[pytorch]==1.12.0`
-# and the error was during the build of that.
-# Let's use the wheel installation as that was the intended fix for OOM.
-
-# Copy the pre-built Transformer Engine wheel into the container
-# Ensure the filename matches your actual wheel file.
-COPY ./transformer_engine_torch-1.12.0+cu121-cp310-cp310-linux_x86_64.whl /tmp/ # Assuming this line is present and correct
-
 # Install Transformer Engine using the pre-built wheel
+# Ensure the filename matches your actual wheel file.
+COPY ./transformer_engine.whl /tmp/
 RUN . $CONDA_DIR/etc/profile.d/conda.sh && \
     conda activate cosmos-predict1 && \
-    pip install --no-cache-dir /tmp/transformer_engine_torch-1.12.0+cu121-cp310-cp310-linux_x86_64.whl
+    pip install --no-cache-dir /tmp/transformer_engine.whl
 
 # Make the start.sh script executable.
-RUN chmod +x /app/start.sh # --- THIS WAS THE OFFENDING LINE, NOW SEPARATED ---
+# THIS MUST BE A SEPARATE RUN COMMAND.
+RUN chmod +x /app/start.sh
 
 # Set the default command to run when the container starts.
 CMD ["/app/start.sh"]