98a3614d58
Renders LaTeX expressions into PNG pictures, PDF documents and native Telegram rich text messages, entirely locally with TeX Live and poppler. - Chat mode with /image, /pdf, /rich plus per-user preamble and DPI - Inline mode delivering picture, PDF and rich text results - Broad default package set preloaded into a TeX format at image build - MongoDB persistence: settings, users, groups, render statistics - Private S3-compatible bucket with short-lived presigned URLs - OpenTelemetry traces over OTLP - Kubernetes manifests and Argo CD application, Docker Compose, GitHub Actions CI, BSD 3-Clause license
40 lines
1.6 KiB
Docker
40 lines
1.6 KiB
Docker
FROM golang:1.23-alpine AS build
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WORKDIR /src
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COPY go.mod go.sum ./
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RUN go mod download
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COPY . .
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ARG TARGETOS
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ARG TARGETARCH
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RUN CGO_ENABLED=0 GOOS=${TARGETOS:-linux} GOARCH=${TARGETARCH} \
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go build -trimpath -ldflags="-s -w" -o /latexgrambot ./cmd/latexgrambot
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# Runtime: TeX Live (pdflatex) and poppler (pdftoppm). The latex-extra,
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# pictures, science and plain-generic collections cover the broad default
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# preamble (tikz, pgfplots, siunitx, mhchem, chemfig, ...).
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FROM debian:bookworm-slim
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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 tzdata \
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texlive-latex-base texlive-latex-recommended texlive-fonts-recommended \
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texlive-latex-extra texlive-pictures texlive-science texlive-plain-generic \
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lmodern poppler-utils \
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&& rm -rf /var/lib/apt/lists/* \
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&& adduser --disabled-password --gecos "" --uid 1000 appuser
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COPY --from=build /latexgrambot /usr/local/bin/latexgrambot
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# Preload the default document class and package set into a TeX format, so
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# every render skips loading ~50 packages (about a second per compile).
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RUN mkdir -p /tmp/format \
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&& /usr/local/bin/latexgrambot -print-preamble > /tmp/format/preamble.tex \
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&& cd /tmp/format \
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&& pdflatex -ini -jobname=latexgrambot "&pdflatex" mylatexformat.ltx preamble.tex >/dev/null \
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&& install -d /usr/local/share/texmf/web2c \
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&& install -m 0644 /tmp/format/latexgrambot.fmt /usr/local/share/texmf/web2c/latexgrambot.fmt \
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&& mktexlsr \
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&& rm -rf /tmp/format
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USER appuser
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EXPOSE 8080
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ENTRYPOINT ["/usr/local/bin/latexgrambot"]
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