Frank Schwenk
83d4468b69
Downscale to 2000px JPEG before rembg, random blend opacity, timeout retries, per-variant remix prefill, lightbox, and longer SFTP idle. Co-authored-by: Cursor <cursoragent@cursor.com>
61 lines
2.6 KiB
Docker
61 lines
2.6 KiB
Docker
# Shared image for both the `worker` and `web` services. Which process
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# runs is decided by the `command:` in compose.yml, not by this file.
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FROM debian:bookworm-slim
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ENV PYTHONUNBUFFERED=1 \
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PYTHONDONTWRITEBYTECODE=1 \
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PIP_NO_CACHE_DIR=1
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# --- gmic ------------------------------------------------------------------
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# Debian bookworm's own `gmic` apt package is stuck at 2.9.4, whose bundled
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# filter library is missing commands the reference pipeline needs (e.g.
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# `fx_LCE`, one of the fixed POST_FILTERS — that one is not optional, so an
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# old stdlib breaks every single variant, not just a random filter pick).
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# We install the official gmic.eu build for Debian 12 instead (currently
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# 4.0.2), which has these commands built in.
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#
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# Trade-off: that package also pulls in the GIMP-plugin/Qt/GTK stack as
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# hard dependencies (it's one combined .deb for CLI + gimp plugin + zart),
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# adding a few hundred MB we don't otherwise need for a headless CLI tool.
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# Accepted pragmatically here — correctness over image size. If this ever
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# matters, the alternative is compiling gmic from source with `make cli`
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# (see https://gmic.eu/download.html) to skip the GUI dependencies.
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ARG GMIC_DEB_URL=https://gmic.eu/get_file.php?file=linux/gmic_4.0.2_debian12_bookworm_amd64.deb
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RUN apt-get update && apt-get install -y --no-install-recommends \
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ca-certificates \
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curl \
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imagemagick \
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python3 \
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python3-pip \
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&& curl -fsSL "$GMIC_DEB_URL" -o /tmp/gmic.deb \
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&& apt-get install -y --no-install-recommends /tmp/gmic.deb \
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&& rm -f /tmp/gmic.deb \
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&& rm -rf /var/lib/apt/lists/*
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# Bake in gmic's community filter definitions at build time (one network
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# fetch, ~6MB) so the wider fx_*/community filter set used by
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# background/foreground name lists resolves without needing outbound
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# internet at runtime. `nice` comes from coreutils (already present).
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ENV HOME=/app/.home
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RUN mkdir -p /app/.home && gmic -update
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WORKDIR /app
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COPY requirements.txt .
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# Installing system-wide (no venv) is intentional here: the container
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# itself is the isolation boundary, this is the standard pattern for
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# Python-on-slim-Docker images.
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RUN pip install --break-system-packages -r requirements.txt
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COPY app ./app
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# rembg downloads its ONNX model (default u2net) from GitHub on first use
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# and caches it under $HOME/.u2net — persisted via the `rembg_cache`
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# volume in compose.yml so it survives container restarts. Alpha matting
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# is enabled by default (REMBG_ALPHA=1).
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# Overridden per-service in compose.yml (`worker` -> python -m app.worker,
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# `web` -> uvicorn app.main:app).
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CMD ["python3", "-m", "app.worker"]
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