Remove ROOT_CAUSE_ANALYSIS.md and outdated server logs

crates/predict-otron-9000/Dockerfile

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+# ---- Build stage ----
+FROM rust:1-slim-bullseye AS builder
+
+WORKDIR /usr/src/app
+
+# Install build dependencies including CUDA toolkit for GPU support (needed for inference-engine dependency)
+RUN apt-get update && \
+    apt-get install -y --no-install-recommends \
+        pkg-config \
+        libssl-dev \
+        build-essential \
+        wget \
+        gnupg2 \
+        curl \
+        && rm -rf /var/lib/apt/lists/*
+
+# Install CUDA toolkit (required for inference-engine dependency)
+# This is a minimal CUDA installation for building
+RUN wget https://developer.download.nvidia.com/compute/cuda/repos/debian11/x86_64/cuda-keyring_1.0-1_all.deb && \
+    dpkg -i cuda-keyring_1.0-1_all.deb && \
+    apt-get update && \
+    apt-get install -y --no-install-recommends \
+        cuda-minimal-build-11-8 \
+        libcublas-dev-11-8 \
+        libcurand-dev-11-8 \
+        && rm -rf /var/lib/apt/lists/* \
+        && rm cuda-keyring_1.0-1_all.deb
+
+# Set CUDA environment variables
+ENV CUDA_HOME=/usr/local/cuda
+ENV PATH=${CUDA_HOME}/bin:${PATH}
+ENV LD_LIBRARY_PATH=${CUDA_HOME}/lib64:${LD_LIBRARY_PATH}
+
+# Copy the entire workspace to get access to all crates (needed for local dependencies)
+COPY . ./
+
+# Cache dependencies first - create dummy source files for all crates
+RUN rm -rf crates/predict-otron-9000/src crates/inference-engine/src crates/embeddings-engine/src
+RUN mkdir -p crates/predict-otron-9000/src crates/inference-engine/src crates/embeddings-engine/src && \
+    echo "fn main() {}" > crates/predict-otron-9000/src/main.rs && \
+    echo "fn main() {}" > crates/inference-engine/src/main.rs && \
+    echo "fn main() {}" > crates/inference-engine/src/cli_main.rs && \
+    echo "// lib" > crates/inference-engine/src/lib.rs && \
+    echo "fn main() {}" > crates/embeddings-engine/src/main.rs && \
+    echo "// lib" > crates/embeddings-engine/src/lib.rs && \
+    cargo build --release --bin predict-otron-9000 --package predict-otron-9000
+
+# Remove dummy sources and copy real sources
+RUN rm -rf crates/predict-otron-9000/src crates/inference-engine/src crates/embeddings-engine/src
+COPY . .
+
+# Build the actual binary
+RUN cargo build --release --bin predict-otron-9000 --package predict-otron-9000
+
+# ---- Runtime stage ----
+FROM debian:bullseye-slim
+
+# Install runtime dependencies
+RUN apt-get update && \
+    apt-get install -y --no-install-recommends \
+        libssl1.1 \
+        ca-certificates \
+        && rm -rf /var/lib/apt/lists/*
+
+# Install CUDA runtime libraries (required for inference-engine dependency)
+RUN apt-get update && \
+    apt-get install -y --no-install-recommends \
+        wget \
+        gnupg2 \
+        && wget https://developer.download.nvidia.com/compute/cuda/repos/debian11/x86_64/cuda-keyring_1.0-1_all.deb \
+        && dpkg -i cuda-keyring_1.0-1_all.deb \
+        && apt-get update \
+        && apt-get install -y --no-install-recommends \
+            cuda-cudart-11-8 \
+            libcublas11 \
+            libcurand10 \
+        && rm -rf /var/lib/apt/lists/* \
+        && rm cuda-keyring_1.0-1_all.deb \
+        && apt-get purge -y wget gnupg2
+
+# Copy binary from builder
+COPY --from=builder /usr/src/app/target/release/predict-otron-9000 /usr/local/bin/
+
+# Run as non-root user for safety
+RUN useradd -m appuser
+USER appuser
+
+EXPOSE 8080
+CMD ["predict-otron-9000"]