feat(deploy): the rhema-sandboxd image
A multi-stage build shipping the daemon: bash, git, and a CA store in the runtime so git and tarball seeds work; the base directory is a volume, the token is a flag with no env default, the port must be passed because the binary defaults to an OS pick. Smoke-tested against a real daemon: healthz auth, exec, put/get, session dirs under the mounted base.
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# rhema-sandboxd: the sandbox wire protocol served from a host.
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# Build from the repo root (the context is the repo):
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# docker build -f deploy/docker/sandboxd.Dockerfile .
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# The builder tag tracks rust-toolchain.toml: the pinned channel is what
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# every commit is tested against. The full image (not -slim) keeps this
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# builder identical to claw.Dockerfile's, though the graph is pure Rust:
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# the bundled SQLite of rhema-identity stays out of `-p rhema-sandbox`'s
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# dependency closure.
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FROM rust:1.98.1 AS builder
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WORKDIR /build
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# Manifests first: the registry cache this populates survives source edits.
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COPY Cargo.toml Cargo.lock rust-toolchain.toml ./
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COPY crates/rhema-acp/Cargo.toml crates/rhema-acp/Cargo.toml
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COPY crates/rhema-agent-tools/Cargo.toml crates/rhema-agent-tools/Cargo.toml
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COPY crates/rhema-autonomous-agent/Cargo.toml crates/rhema-autonomous-agent/Cargo.toml
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COPY crates/rhema-claw/Cargo.toml crates/rhema-claw/Cargo.toml
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COPY crates/rhema-cloud-agent/Cargo.toml crates/rhema-cloud-agent/Cargo.toml
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COPY crates/rhema-cloudflare-code/Cargo.toml crates/rhema-cloudflare-code/Cargo.toml
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COPY crates/rhema-code/Cargo.toml crates/rhema-code/Cargo.toml
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COPY crates/rhema-coding-agent/Cargo.toml crates/rhema-coding-agent/Cargo.toml
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COPY crates/rhema-config/Cargo.toml crates/rhema-config/Cargo.toml
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COPY crates/rhema-core/Cargo.toml crates/rhema-core/Cargo.toml
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COPY crates/rhema-identity/Cargo.toml crates/rhema-identity/Cargo.toml
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COPY crates/rhema-memory/Cargo.toml crates/rhema-memory/Cargo.toml
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COPY crates/rhema-provider/Cargo.toml crates/rhema-provider/Cargo.toml
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COPY crates/rhema-provider-anthropic/Cargo.toml crates/rhema-provider-anthropic/Cargo.toml
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COPY crates/rhema-provider-copilot/Cargo.toml crates/rhema-provider-copilot/Cargo.toml
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COPY crates/rhema-provider-google/Cargo.toml crates/rhema-provider-google/Cargo.toml
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COPY crates/rhema-provider-llama-cpp/Cargo.toml crates/rhema-provider-llama-cpp/Cargo.toml
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COPY crates/rhema-provider-openai-compatible/Cargo.toml crates/rhema-provider-openai-compatible/Cargo.toml
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COPY crates/rhema-provider-openrouter/Cargo.toml crates/rhema-provider-openrouter/Cargo.toml
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COPY crates/rhema-rsd/Cargo.toml crates/rhema-rsd/Cargo.toml
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COPY crates/rhema-sandbox/Cargo.toml crates/rhema-sandbox/Cargo.toml
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COPY crates/rhema-subagents/Cargo.toml crates/rhema-subagents/Cargo.toml
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COPY crates/rhema-transcript/Cargo.toml crates/rhema-transcript/Cargo.toml
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COPY crates/rhema-vercel-agent/Cargo.toml crates/rhema-vercel-agent/Cargo.toml
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COPY integrations/rhema-calendar-integration/Cargo.toml integrations/rhema-calendar-integration/Cargo.toml
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COPY integrations/rhema-forge-integration/Cargo.toml integrations/rhema-forge-integration/Cargo.toml
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# Resolution reads the vendored crossterm (the root manifest path-patches
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# to it) even though the image builds the daemon, which does not link it.
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COPY vendor/ vendor/
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# Cargo validates explicit target
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# paths at manifest-parse time, so the fetch needs stub files at every
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# declared target path: src/ for every member, plus examples/tests/benches
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# as declared (default path from the target name, or the explicit `path`).
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# The loop drives off the crates/*/ and integrations/*/ globs because
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# neither glob's */src matches anything until the stub exists — an
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# unmatched glob would hand mkdir a literal path. The real sources land
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# below. (The awk program must stay on one line: a Dockerfile line not
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# ending in a backslash ends the RUN.)
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#
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# No src/main.rs stub: most members have no default binary, the stub
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# would survive `COPY . .`, and the phantom autobin it creates fails
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# E0601 the moment that member is the `-p` package (rhema-sandbox
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# itself). Declared [[bin]] paths are never stubbed either — the awk
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# stubs examples/tests/benches only — and fetch needs no bin to exist.
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RUN for crate in crates/*/ integrations/*/; do \
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mkdir -p "$crate/src"; \
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touch "$crate/src/lib.rs"; \
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awk -F'"' '/^\[/ { d = ""; p = 0; if ($0 == "[[example]]") { d = "examples" } else if ($0 == "[[test]]") { d = "tests" } else if ($0 == "[[bench]]") { d = "benches" }; next } d == "" { next } /^name = / && p == 0 { print d "/" $2 ".rs" } /^path = / { p = 1; print $2 }' "$crate/Cargo.toml" \
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| while IFS= read -r target; do \
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mkdir -p "$crate$(dirname "$target")"; \
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touch "$crate$target"; \
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done; \
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done \
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&& cargo fetch
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# Sources. target/ and .git never land here: the repo-root .dockerignore
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# keeps them out of the context.
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COPY . .
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# Feature `server` only: the daemon needs no local/mock/client code
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# (server implies the local backend and tokio's rt/net, per the
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# crate's feature graph).
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RUN cargo build --release --locked -p rhema-sandbox --features server
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FROM debian:stable-slim
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# coreutils — the `timeout` prefix the exec route wraps every command
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# in — ships with debian-slim; bash does not. git and the CA store are
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# load-bearing too: a `{git}` seed is a `git clone` (tarball seeds need
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# neither).
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RUN apt-get update \
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&& apt-get install -y --no-install-recommends bash git ca-certificates \
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&& rm -rf /var/lib/apt/lists/*
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# Numeric USER: Kubernetes cannot verify runAsNonRoot against a name.
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RUN useradd --uid 1000 --user-group --create-home sandboxd \
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&& install -d -o 1000 -g 1000 /var/lib/rhema-sandboxd
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COPY --from=builder /build/target/release/rhema-sandboxd /usr/local/bin/rhema-sandboxd
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# The base and the bind host are fixed to the image — the binary's
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# default host is loopback, unreachable through a published port, and
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# `docker run` arguments replace CMD wholesale, so a per-run default
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# would never survive the always-present `--token`. The token and port
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# are per-run flags appended to the entrypoint (`--token` has no
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# environment fallback — the runner passes it). No EXPOSE: `--port`
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# defaults to 0 (OS-picked), so the image fixes no port.
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VOLUME /var/lib/rhema-sandboxd
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USER 1000:1000
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ENTRYPOINT ["/usr/local/bin/rhema-sandboxd", "--base", "/var/lib/rhema-sandboxd", "--host", "0.0.0.0"]
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