Devcontainer setup

.devcontainer/Dockerfile

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+FROM ubuntu:22.04
+
+ENV DEBIAN_FRONTEND=noninteractive
+
+# Install system dependencies (no Ollama needed - using separate container)
+RUN apt-get update && apt-get install -y \
+    python3 \
+    python3-pip \
+    python3-dev \
+    curl \
+    wget \
+    git \
+    sudo \
+    xvfb \
+    x11vnc \
+    fluxbox \
+    novnc \
+    websockify \
+    firefox \
+    python3-tk \
+    build-essential \
+    && rm -rf /var/lib/apt/lists/*
+
+# Create user vscode
+RUN useradd -m -s /bin/bash vscode && \
+    usermod -aG sudo vscode && \
+    echo "vscode ALL=(ALL) NOPASSWD:ALL" >> /etc/sudoers
+
+WORKDIR /workspace
+RUN chown vscode:vscode /workspace
+
+USER vscode
+
+# Install pip
+RUN python3 -m pip install --user --upgrade pip
+
+ENV PATH="/home/vscode/.local/bin:$PATH"
+ENV DISPLAY=:1
+
+# Copy startup script and make it executable
+COPY --chown=vscode:vscode start-services.sh /home/vscode/start-services.sh
+USER root
+RUN chmod +x /home/vscode/start-services.sh
+USER vscode
+
+CMD ["/bin/bash", "/home/vscode/start-services.sh"]