fix: add pre-commit cache dir and improve dockerignore (#5588)

Signed-off-by: alec-flowers <aflowers@nvidia.com>

.dockerignore

@@ -19,6 +19,8 @@
 **/*.plan
 **/*.etcd
 **/.cache/*
+**/__pycache__
+**/*.pyc
 **/*onnx*
 # Engine must be allowed because code contains dynamo_engine.py
 **/*tensorrtllm_engines*
@@ -43,6 +45,7 @@ container/Dockerfile*
 .venv
 .venv-docs
 
+
 # Python
 __pycache__/
 *.pyc

container/dev/Dockerfile.dev

@@ -464,7 +464,9 @@ RUN SNIPPET="export PROMPT_COMMAND='history -a' && export HISTFILE=$HOME/.comman
     && echo "$SNIPPET" >> "$HOME/.bashrc"
 
 RUN mkdir -p /home/$USERNAME/.cache/ \
-    && chmod g+w /home/$USERNAME/.cache/
+    && mkdir -p /home/$USERNAME/.cache/pre-commit \
+    && chmod g+w /home/$USERNAME/.cache/ \
+    && chmod g+w /home/$USERNAME/.cache/pre-commit
 
 ENTRYPOINT ["/opt/nvidia/nvidia_entrypoint.sh"]
 CMD []