posthog-foss/Dockerfile.sandbox at master · PostHog/posthog-foss · GitHub

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# Dev sandbox image for isolated branch environments.
#
# Layers are ordered by change frequency — things that rarely change (system
# packages, toolchains) go first so they stay cached. COPY statements that
# reference repo files go last since they invalidate on every change.

FROM python:3.12.12-slim-bookworm

SHELL ["/bin/bash", "-e", "-o", "pipefail", "-c"]

ENV NODE_VERSION=24.13.0 \
    NODE_ENV=development \
    RUSTUP_HOME=/usr/local/rustup \
    CARGO_HOME=/usr/local/cargo \
    PATH="/cache/python/bin:/usr/local/cargo/bin:$PATH" \
    SHELL=/bin/bash \
    UV_PROJECT_ENVIRONMENT=/cache/python

# --- Rarely changes: system packages ---
RUN apt-get update && apt-get install -y --no-install-recommends \
    brotli \
    build-essential \
    cmake \
    curl \
    git \
    jq \
    libclang-dev \
    libffi-dev \
    libpq-dev \
    libssl-dev \
    libxml2-dev \
    libxmlsec1-dev \
    libxslt1-dev \
    gosu \
    openssh-server \
    pkg-config \
    postgresql-client \
    protobuf-compiler \
    sudo \
    tmux \
    unzip \
    vim \
    zlib1g-dev \
    && rm -rf /var/lib/apt/lists/*

# Personal image layers run install snippets as the sandbox user.
# NOPASSWD sudo is available as an escape hatch for recipes that need
# system-wide install (apt-get, /usr writes). Prefer ~/.local for
# anything that can install per-user; reach for sudo when it can't.
RUN echo "sandbox ALL=(ALL) NOPASSWD:ALL" > /etc/sudoers.d/sandbox \
 && chmod 0440 /etc/sudoers.d/sandbox

# --- Rarely changes: Rust toolchain + sqlx-cli ---
RUN curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh -s -- -y --no-modify-path \
    && chmod -R a+rwx /usr/local/cargo /usr/local/rustup
RUN --mount=type=cache,target=/usr/local/cargo/registry \
    --mount=type=cache,target=/tmp/cargo-build \
    CARGO_TARGET_DIR=/tmp/cargo-build cargo install sqlx-cli --no-default-features --features postgres

# --- Rarely changes: Node.js ---
RUN ARCH=$(dpkg --print-architecture) && \
    case "${ARCH}" in \
        amd64) NODE_ARCH='x64';; \
        arm64) NODE_ARCH='arm64';; \
        *) echo "unsupported: ${ARCH}"; exit 1;; \
    esac && \
    curl -fsSL "https://nodejs.org/dist/v${NODE_VERSION}/node-v${NODE_VERSION}-linux-${NODE_ARCH}.tar.xz" \
    | tar xJ -C /usr/local --strip-components=1 --no-same-owner
RUN corepack enable

# --- Rarely changes: prebuilt binaries ---
COPY --from=ghcr.io/astral-sh/uv:0.10.2 /uv /uvx /usr/local/bin/
COPY --from=clickhouse/clickhouse-server:26.3.10.60 /usr/bin/clickhouse /usr/local/bin/clickhouse
RUN ln -s clickhouse /usr/local/bin/clickhouse-client

RUN ARCH=$(dpkg --print-architecture) && \
    curl -fsSL "https://github.com/PostHog/posthog/releases/download/phrocs-1.0.2/phrocs-linux-${ARCH}" \
    -o /usr/local/bin/phrocs && chmod +x /usr/local/bin/phrocs

RUN ARCH=$(dpkg --print-architecture) && \
    curl -fsSL "https://github.com/redpanda-data/redpanda/releases/download/v25.1.9/rpk-linux-${ARCH}.zip" \
    -o /tmp/rpk.zip && unzip -o /tmp/rpk.zip -d /usr/local/bin/ rpk && rm /tmp/rpk.zip

# --- Changes occasionally: npm global packages ---
RUN npm install -g @anthropic-ai/claude-code

# --- Rarely changes: GeoIP database (pre-decompressed, read directly at runtime) ---
# brotli --output writes with mode 600 by default; chmod so non-root users can
# read the symlink target from /workspace/share.
RUN mkdir -p /share && \
    curl -L "https://mmdbcdn.posthog.net/" --http1.1 --fail --retry 3 --retry-max-time 60 | \
    brotli --decompress --output=/share/GeoLite2-City.mmdb && \
    chmod 644 /share/GeoLite2-City.mmdb

# --- Static config ---
RUN echo 'export PATH="/cache/python/bin:/usr/local/cargo/bin:$PATH"' > /etc/profile.d/sandbox.sh
RUN printf 'set -g default-terminal "xterm-256color"\nset -g extended-keys on\nset -as terminal-features "xterm*:extkeys"\nset -g allow-passthrough on\n' > /etc/tmux.conf
RUN mkdir -p /cache/uv /cache/pnpm /cache/python /run/sshd \
    && chmod 777 /cache/uv /cache/pnpm /cache/python \
    && ssh-keygen -A

WORKDIR /workspace

# --- Changes often: entrypoint + sandbox tmux shim ---
COPY bin/sandbox-shims/tmux.sandbox.conf /etc/tmux.sandbox.conf
COPY --chmod=755 bin/sandbox-entrypoint.py /usr/local/bin/sandbox-entrypoint.py

ENTRYPOINT ["python3", "/usr/local/bin/sandbox-entrypoint.py"]