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144 lines
6.6 KiB
Docker
144 lines
6.6 KiB
Docker
# The whole instance in one image: engine, API and dashboard on port 8000.
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#
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# docker build -f backend/Dockerfile -t fluksio .
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# docker run -d -p 8080:8000 -v fluksio-data:/data fluksio
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#
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# The build context is the app repository root. EXTRAS picks the optional
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# features (mqtt, influx, email, sentry, ml, or server for all of them); the
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# default is the minimal engine.
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# ── Dashboard ────────────────────────────────────────────────────
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# Built on the build machine's own CPU: the output is the same for every
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# platform, and under emulation for an arm64 image this stage alone takes
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# half an hour.
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FROM --platform=$BUILDPLATFORM oven/bun:1 AS frontend
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WORKDIR /app
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COPY package.json bun.lock /app/
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COPY frontend/package.json /app/frontend/
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WORKDIR /app/frontend
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RUN bun install
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COPY ./frontend /app/frontend
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# Empty: the dashboard calls the API as a path on whichever origin served it,
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# so one build works behind any port, hostname or proxy.
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ENV VITE_API_URL=
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# Set only for the copy the portal serves (the appshell stage below).
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ARG VITE_BASE
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RUN bun run build
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# ── Python environment ───────────────────────────────────────────
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FROM python:3.13-slim AS backend
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# Ref: https://docs.astral.sh/uv/guides/integration/docker/
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COPY --from=ghcr.io/astral-sh/uv:0.13.6 /uv /bin/
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# A slow link, such as a Raspberry Pi on WiFi, outlasts uv's default 30 s
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# download timeout.
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ENV UV_COMPILE_BYTECODE=1 UV_LINK_MODE=copy UV_HTTP_TIMEOUT=120
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WORKDIR /app/
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ARG EXTRAS=""
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# Dependencies first, so a source change does not reinstall them.
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RUN --mount=type=cache,target=/root/.cache/uv \
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--mount=type=bind,source=uv.lock,target=uv.lock \
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--mount=type=bind,source=pyproject.toml,target=pyproject.toml \
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uv sync --frozen --no-dev --no-install-workspace --package fluksio \
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$(for e in $(echo "$EXTRAS" | tr , ' '); do printf -- '--extra %s ' "$e"; done)
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COPY ./backend/scripts /app/backend/scripts
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# README.md and LICENSE come along because pyproject.toml names them in
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# `readme` and `license-files`; hatchling reads both when it builds the
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# package metadata below, and fails the build if either is missing.
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COPY ./backend/pyproject.toml ./backend/alembic.ini ./backend/README.md ./backend/LICENSE /app/backend/
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COPY ./backend/fluksio /app/backend/fluksio
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# The worker is a workspace member of its own, so the engine's sync needs it
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# present to resolve the dependency on it. It is also what the engine runs
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# node code with.
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COPY ./worker /app/worker
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RUN --mount=type=cache,target=/root/.cache/uv \
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--mount=type=bind,source=uv.lock,target=uv.lock \
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--mount=type=bind,source=pyproject.toml,target=pyproject.toml \
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uv sync --frozen --no-dev --package fluksio \
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$(for e in $(echo "$EXTRAS" | tr , ' '); do printf -- '--extra %s ' "$e"; done)
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# Connectors are ordinary installed packages found through the
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# `fluksio.node_types` entry point. Place built connector wheels here;
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# an image with none is the normal case.
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COPY ./backend/connector-wheels /tmp/connector-wheels
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RUN --mount=type=cache,target=/root/.cache/uv \
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sh -c 'ls /tmp/connector-wheels/*.whl >/dev/null 2>&1 \
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&& uv pip install --python /app/.venv/bin/python /tmp/connector-wheels/*.whl \
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|| echo "no connectors bundled"'
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# ── The portal's copy of the dashboard ──────────────────────────
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# The hub serves the dashboard for every instance it tunnels to, from
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# /app-shell/. index/docker/compose.yml builds this target with
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# VITE_BASE=/app-shell/ and copies /dist into the hub's volume.
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FROM busybox:1.37 AS appshell
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COPY --from=frontend /app/frontend/dist /dist
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# ── git, without perl ────────────────────────────────────────────
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# The flow store runs init, add, commit, gc and rev-parse, all built into the
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# one binary, which needs nothing slim lacks. Debian's package would bring
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# perl and the remote helpers along, about 100 MB nothing here calls.
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FROM python:3.13-slim AS git
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RUN apt-get update \
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&& apt-get install -y --no-install-recommends git \
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&& rm -rf /var/lib/apt/lists/*
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# ── Runtime ──────────────────────────────────────────────────────
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FROM python:3.13-slim
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COPY --from=git /usr/bin/git /usr/bin/git
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# redis-server keeps message state when no external Redis is named. tini reaps
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# the python node workers that outlive their pool, which would otherwise pile
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# up as zombies under PID 1. procps is uptime, ps and free for Command nodes,
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# the demo's among them. The git round trip fails the build if the binary
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# above ever needs something this image does not have.
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RUN apt-get update \
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&& apt-get install -y --no-install-recommends procps redis-server tini \
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&& rm -rf /var/lib/apt/lists/* \
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&& git init -q /tmp/g 2>/dev/null \
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&& git -C /tmp/g -c user.name=x -c user.email=x@x commit -q --allow-empty -m x \
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&& git -C /tmp/g gc --quiet && git -C /tmp/g rev-parse HEAD >/dev/null \
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&& rm -rf /tmp/g
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# /app/.venv holds the app and nothing of anybody else's, so there is nothing
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# here to adopt: node code gets a venv of its own on the data volume, which is
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# what the Modules screen installs into.
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ENV PYTHONUNBUFFERED=1 \
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PATH="/app/.venv/bin:$PATH" \
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NODE_VENV=managed \
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FRONTEND_DIST=/app/frontend/dist \
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FRONTEND_HOST=http://localhost:8000
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# The venv installs the app editable, so the source stays at the path it was
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# synced from. uv comes with it: the Modules screen installs with it.
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COPY --from=backend /app /app
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COPY --from=frontend /app/frontend/dist /app/frontend/dist
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COPY ./backend/docker-entrypoint.sh /usr/local/bin/
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WORKDIR /app/backend/
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VOLUME /data
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EXPOSE 8000
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# Deep health: fails when the event loop is wedged or Redis is gone, not just
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# when the process is dead.
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HEALTHCHECK --interval=10s --timeout=5s --start-period=30s --retries=5 \
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CMD python -c "import urllib.request; urllib.request.urlopen('http://127.0.0.1:8000/api/v1/utils/health/', timeout=4)"
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ENTRYPOINT ["tini", "--", "docker-entrypoint.sh"]
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# Single process on purpose: it hosts the flow engine, and a second worker
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# would be a second engine — duplicated subscriptions, cron ticks and webhooks.
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# `serve` makes the secret key and the first admin on first start, and prints
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# the admin's password once.
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CMD ["fluksio", "serve", "--plain", "--host", "0.0.0.0", "--port", "8000", "--data-dir", "/data"]
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