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Codeman maintainer
826ddaa9aa
docker/server.Dockerfile installed Debian's `docker.io` to get a client for the socket mounted by Compose. That package is the full ENGINE: even with --no-install-recommends it pulls 15 packages including containerd, runc, dmsetup and iptables, none of which a container that only talks to a mounted socket can use, and it ships Docker 20.10.24 (2023). Copy the CLI and the buildx plugin from the official docker:29-cli image instead. Measured on the same node:22-bookworm-slim base: 266 MB -> 108 MB, so 158 MB smaller with a current CLI (29.7.2) in place of a two-year-old one. Three things verified rather than assumed, by building the real image and running it: - docker:cli is an ALPINE image, so copying a binary into this Debian one is only safe because the binaries are static Go builds (ldd: "Not a valid dynamic program"). In the built image, `docker --version`, `docker ps` and `docker build` all work against a mounted host socket as the unprivileged runtime user. - buildx is copied on purpose. scripts/build-agent-image.mjs shells out to `docker build` and Codeman auto-builds the agent image on the first Docker case. Without the plugin that still works today — CLI 29 falls back to the classic builder, tested — but that builder is deprecated and will be dropped, so the plugin keeps the path supported. - docker-compose is NOT copied: Codeman never shells out to it. Pinned to the 29 major, matching how the base images here are pinned.
115 lines
4.0 KiB
Docker
115 lines
4.0 KiB
Docker
# syntax=docker/dockerfile:1
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# Build the application from the checkout supplied as the Docker build context.
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# No published Codeman application image is required.
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FROM node:22-bookworm-slim AS build
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RUN apt-get update \
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&& apt-get install -y --no-install-recommends python3 make g++ \
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&& rm -rf /var/lib/apt/lists/*
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WORKDIR /opt/codeman
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COPY . .
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RUN npm ci \
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&& npm run build \
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&& npm prune --omit=dev --ignore-scripts \
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&& npm cache clean --force
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# The Docker CLI talks to the host daemon through the socket mounted by
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# docker/docker-compose.yaml. It does not run a Docker daemon in this container.
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FROM node:22-bookworm-slim
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ARG CODEMAN_RUNTIME_USER=opencode
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ARG PUID=1000
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ARG PGID=1000
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RUN apt-get update \
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&& apt-get install -y --no-install-recommends \
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ca-certificates \
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curl \
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git \
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openssh-client \
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procps \
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ripgrep \
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tmux \
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&& rm -rf /var/lib/apt/lists/*
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# The Docker CLI, taken from the official image rather than Debian's `docker.io`.
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# That package is the full ENGINE: with --no-install-recommends it still pulls 15
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# packages including containerd, runc, dmsetup and iptables, none of which a
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# client that only talks to a mounted socket can use. Measured on top of this
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# base image: `docker.io` costs 266 MB and ships Docker 20.10.24 (2023), while
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# these two files cost 108 MB and ship the current CLI (493 MB vs 335 MB total).
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#
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# The binaries are STATIC Go builds, so they run on this glibc image even though
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# the image they come from is Alpine (verified: `docker --version`, `docker ps`
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# and `docker build` all work here against a mounted host socket).
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#
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# buildx is copied on purpose. `scripts/build-agent-image.mjs` shells out to
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# `docker build` — Codeman auto-builds the agent image on the first Docker case —
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# and without the plugin that silently falls back to the CLASSIC builder, which
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# Docker has deprecated and will eventually drop. `docker-compose` is NOT copied:
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# Codeman never shells out to it.
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COPY --from=docker:29-cli /usr/local/bin/docker /usr/local/bin/docker
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COPY --from=docker:29-cli \
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/usr/local/libexec/docker/cli-plugins/docker-buildx \
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/usr/local/libexec/docker/cli-plugins/docker-buildx
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# Keep credentials out of the image. Users authenticate these CLIs at runtime
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# through Codeman sessions, and the configured host bind mount retains state.
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RUN npm install --global \
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@anthropic-ai/claude-code \
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@google/gemini-cli \
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@openai/codex \
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opencode-ai \
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&& npm cache clean --force
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# Keep the web server and every local Codeman session unprivileged. PUID and
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# PGID match the host-owned application-data directory mounted by Compose. The
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# requested GID may not exist in the base image, and a host UID such as 1000 may
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# already belong to the baked `node` account, so handle both cases explicitly.
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RUN set -eux; \
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case "${PUID}" in ''|*[!0-9]*) echo "PUID must be numeric" >&2; exit 1;; esac; \
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case "${PGID}" in ''|*[!0-9]*) echo "PGID must be numeric" >&2; exit 1;; esac; \
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if [ "${PUID}" -eq 0 ]; then \
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echo "PUID must identify an unprivileged account, not root" >&2; \
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exit 1; \
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fi; \
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if ! getent group "${PGID}" >/dev/null; then \
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groupadd --gid "${PGID}" codeman-runtime; \
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fi; \
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existing_user="$(getent passwd "${PUID}" | cut -d: -f1 || true)"; \
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if [ -n "${existing_user}" ]; then \
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usermod \
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--login "${CODEMAN_RUNTIME_USER}" \
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--gid "${PGID}" \
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--home "/home/${CODEMAN_RUNTIME_USER}" \
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--move-home \
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--shell /bin/bash \
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"${existing_user}"; \
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else \
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useradd \
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--uid "${PUID}" \
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--gid "${PGID}" \
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--create-home \
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--home-dir "/home/${CODEMAN_RUNTIME_USER}" \
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--shell /bin/bash \
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"${CODEMAN_RUNTIME_USER}"; \
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fi
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WORKDIR /opt/codeman
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COPY --from=build /opt/codeman /opt/codeman
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ENV CODEMAN_PORT=3000 \
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HOME=/home/${CODEMAN_RUNTIME_USER} \
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NODE_ENV=production
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EXPOSE 3000
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USER ${CODEMAN_RUNTIME_USER}
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CMD ["node", "dist/index.js", "web"]
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