Improved yocto directory structure

image/Dockerfile

@@ -42,9 +42,15 @@ ENV LANG=en_US.UTF-8
 ENV LANGUAGE=en_US:en
 ENV LC_ALL=en_US.UTF-8
 
-# Create non-root user for Yocto builds (Yocto doesn't like running as root)
-RUN useradd -m -s /bin/bash yocto && \
-    echo "yocto ALL=(ALL) NOPASSWD: ALL" >> /etc/sudoers
+# Create build user matching host UID/GID
+ARG USER_ID=1000
+ARG GROUP_ID=1000
+RUN groupadd -g ${GROUP_ID} builder && \
+    useradd -u ${USER_ID} -g ${GROUP_ID} -ms /bin/bash builder
+
+# Enable compiler cache for performance
+ENV USE_CCACHE=1
+ENV CCACHE_DIR=/workspace/.ccache
 
 # Set working directory
 WORKDIR /workspace
@@ -53,11 +59,7 @@ WORKDIR /workspace
 RUN chown -R yocto:yocto /workspace
 
 # Switch to yocto user
-USER yocto
-
-# Set up git configuration (required for Yocto)
-RUN git config --global user.name "Yocto Builder" && \
-    git config --global user.email "yocto@builder.local"
+USER builder
 
 # Default command to start interactive shell
 CMD ["/bin/bash"]