Josh Knapp
86176d8830
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Enables Claude Code's /voice command inside Docker containers by
capturing microphone audio in the Tauri webview and streaming it
into the container via a FIFO pipe.
Container: fake rec/arecord shims read PCM from a FIFO instead of
a real mic. Audio bridge exec writes PCM from Tauri into the FIFO.
Frontend: getUserMedia() + AudioWorklet captures 16kHz mono PCM
and streams it to the container via invoke("send_audio_data").
UI: "Mic Off/On" toggle button in the terminal view.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
130 lines
6.4 KiB
Docker
130 lines
6.4 KiB
Docker
FROM ubuntu:24.04
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# Multi-arch: builds for linux/amd64 and linux/arm64 (Apple Silicon)
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# Avoid interactive prompts during package install
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ENV DEBIAN_FRONTEND=noninteractive
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# ── System packages ──────────────────────────────────────────────────────────
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RUN apt-get update && apt-get install -y --no-install-recommends \
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git \
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curl \
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wget \
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openssh-client \
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build-essential \
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ripgrep \
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jq \
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sudo \
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ca-certificates \
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gnupg \
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locales \
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unzip \
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pkg-config \
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libssl-dev \
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cron \
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&& rm -rf /var/lib/apt/lists/*
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# Remove default ubuntu user to free UID 1000 for host-user remapping
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RUN if id ubuntu >/dev/null 2>&1; then userdel -r ubuntu 2>/dev/null || userdel ubuntu; fi \
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&& if getent group ubuntu >/dev/null 2>&1; then groupdel ubuntu 2>/dev/null || true; fi
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# Set UTF-8 locale
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RUN locale-gen en_US.UTF-8
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ENV LANG=en_US.UTF-8
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ENV LC_ALL=en_US.UTF-8
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# ── GitHub CLI ───────────────────────────────────────────────────────────────
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RUN curl -fsSL https://cli.github.com/packages/githubcli-archive-keyring.gpg \
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| dd of=/usr/share/keyrings/githubcli-archive-keyring.gpg \
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&& chmod go+r /usr/share/keyrings/githubcli-archive-keyring.gpg \
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&& echo "deb [arch=$(dpkg --print-architecture) signed-by=/usr/share/keyrings/githubcli-archive-keyring.gpg] https://cli.github.com/packages stable main" \
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> /etc/apt/sources.list.d/github-cli.list \
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&& apt-get update && apt-get install -y gh \
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&& rm -rf /var/lib/apt/lists/*
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# ── Node.js LTS (22.x) + pnpm ───────────────────────────────────────────────
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RUN curl -fsSL https://deb.nodesource.com/setup_22.x | bash - \
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&& apt-get install -y nodejs \
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&& rm -rf /var/lib/apt/lists/* \
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&& npm install -g pnpm
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# ── Python 3 + pip + uv + ruff ──────────────────────────────────────────────
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RUN apt-get update && apt-get install -y --no-install-recommends \
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python3 \
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python3-pip \
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python3-venv \
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&& rm -rf /var/lib/apt/lists/*
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# ── Docker CLI (not daemon) ─────────────────────────────────────────────────
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RUN install -m 0755 -d /etc/apt/keyrings \
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&& curl -fsSL https://download.docker.com/linux/ubuntu/gpg \
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| gpg --dearmor -o /etc/apt/keyrings/docker.gpg \
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&& chmod a+r /etc/apt/keyrings/docker.gpg \
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&& echo "deb [arch=$(dpkg --print-architecture) signed-by=/etc/apt/keyrings/docker.gpg] https://download.docker.com/linux/ubuntu $(. /etc/os-release && echo "$VERSION_CODENAME") stable" \
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> /etc/apt/sources.list.d/docker.list \
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&& apt-get update && apt-get install -y docker-ce-cli \
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&& rm -rf /var/lib/apt/lists/*
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# ── AWS CLI v2 ───────────────────────────────────────────────────────────────
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RUN ARCH=$(uname -m) && \
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curl "https://awscli.amazonaws.com/awscli-exe-linux-${ARCH}.zip" -o "awscliv2.zip" && \
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unzip -q awscliv2.zip && \
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./aws/install && \
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rm -rf awscliv2.zip aws
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# ── Non-root user with passwordless sudo ─────────────────────────────────────
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RUN useradd -m -s /bin/bash -u 1000 claude \
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&& echo "claude ALL=(ALL) NOPASSWD:ALL" > /etc/sudoers.d/claude \
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&& chmod 0440 /etc/sudoers.d/claude
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# ── Mount points (created as root, owned by claude) ──────────────────────────
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RUN mkdir -p /workspace && chown claude:claude /workspace
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# ── Rust (installed as claude user) ──────────────────────────────────────────
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USER claude
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WORKDIR /home/claude
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RUN curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh -s -- -y
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ENV PATH="/home/claude/.cargo/bin:${PATH}"
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# Install uv and ruff for claude user
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RUN curl -LsSf https://astral.sh/uv/install.sh | sh \
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&& curl -LsSf https://astral.sh/ruff/install.sh | sh
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ENV PATH="/home/claude/.local/bin:/home/claude/.cargo/bin:${PATH}"
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# ── Claude Code ──────────────────────────────────────────────────────────────
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RUN curl -fsSL https://claude.ai/install.sh | bash
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ENV PATH="/home/claude/.claude/bin:${PATH}"
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RUN mkdir -p /home/claude/.claude /home/claude/.ssh
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WORKDIR /workspace
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# ── Switch back to root for entrypoint (handles UID/GID remapping) ─────────
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USER root
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# ── OSC 52 clipboard support ─────────────────────────────────────────────
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# Provides xclip/xsel/pbcopy shims that emit OSC 52 escape sequences,
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# allowing programs inside the container to copy to the host clipboard.
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COPY osc52-clipboard /usr/local/bin/osc52-clipboard
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RUN chmod +x /usr/local/bin/osc52-clipboard \
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&& ln -sf /usr/local/bin/osc52-clipboard /usr/local/bin/xclip \
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&& ln -sf /usr/local/bin/osc52-clipboard /usr/local/bin/xsel \
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&& ln -sf /usr/local/bin/osc52-clipboard /usr/local/bin/pbcopy
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# ── Audio capture shim (voice mode) ────────────────────────────────────────
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# Provides fake rec/arecord that read PCM from a FIFO instead of a real mic,
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# allowing Claude Code voice mode to work inside the container.
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COPY audio-shim /usr/local/bin/audio-shim
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RUN chmod +x /usr/local/bin/audio-shim \
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&& ln -sf /usr/local/bin/audio-shim /usr/local/bin/rec \
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&& ln -sf /usr/local/bin/audio-shim /usr/local/bin/arecord
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COPY entrypoint.sh /usr/local/bin/entrypoint.sh
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RUN chmod +x /usr/local/bin/entrypoint.sh
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COPY triple-c-scheduler /usr/local/bin/triple-c-scheduler
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RUN chmod +x /usr/local/bin/triple-c-scheduler
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COPY triple-c-task-runner /usr/local/bin/triple-c-task-runner
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RUN chmod +x /usr/local/bin/triple-c-task-runner
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ENTRYPOINT ["/usr/local/bin/entrypoint.sh"]
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