Squashed 'vendor/ruvector/' content from commit b64c2172

git-subtree-dir: vendor/ruvector
git-subtree-split: b64c21726f2bb37286d9ee36a7869fef60cc6900

examples/ruvLLM/esp32-flash/Dockerfile

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+# RuvLLM ESP32 - Docker Build Environment
+# Provides complete ESP32 toolchain without local installation
+#
+# Usage:
+#   docker build -t ruvllm-esp32-builder .
+#   docker run -v $(pwd):/app -v /dev:/dev --privileged ruvllm-esp32-builder build
+#   docker run -v $(pwd):/app -v /dev:/dev --privileged ruvllm-esp32-builder flash /dev/ttyUSB0
+
+FROM rust:1.75-bookworm
+
+# Install system dependencies
+RUN apt-get update && apt-get install -y \
+    git \
+    wget \
+    flex \
+    bison \
+    gperf \
+    python3 \
+    python3-pip \
+    python3-venv \
+    cmake \
+    ninja-build \
+    ccache \
+    libffi-dev \
+    libssl-dev \
+    dfu-util \
+    libusb-1.0-0 \
+    libudev-dev \
+    pkg-config \
+    && rm -rf /var/lib/apt/lists/*
+
+# Install ESP-IDF prerequisites
+RUN pip3 install --break-system-packages pyserial
+
+# Install Rust ESP32 toolchain
+RUN cargo install espup && \
+    espup install && \
+    cargo install espflash ldproxy
+
+# Set up environment
+ENV PATH="/root/.cargo/bin:${PATH}"
+RUN echo 'source /root/export-esp.sh 2>/dev/null || true' >> /root/.bashrc
+
+WORKDIR /app
+
+# Entry point script
+COPY <<'EOF' /entrypoint.sh
+#!/bin/bash
+source /root/export-esp.sh 2>/dev/null || true
+
+case "$1" in
+    build)
+        echo "Building RuvLLM ESP32..."
+        cargo build --release
+        ;;
+    flash)
+        PORT="${2:-/dev/ttyUSB0}"
+        echo "Flashing to $PORT..."
+        cargo build --release
+        espflash flash --port "$PORT" target/xtensa-esp32-espidf/release/ruvllm-esp32-flash
+        ;;
+    monitor)
+        PORT="${2:-/dev/ttyUSB0}"
+        espflash monitor --port "$PORT"
+        ;;
+    shell)
+        exec /bin/bash
+        ;;
+    *)
+        echo "Usage: docker run ... [build|flash|monitor|shell] [port]"
+        ;;
+esac
+EOF
+RUN chmod +x /entrypoint.sh
+
+ENTRYPOINT ["/entrypoint.sh"]
+CMD ["build"]