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refactor: use alpine for web app #50

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refactor: use alpine for web app #50

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517e5e8
migrate to alpine
sghng Dec 7, 2025
b289442
no bin pkg for saxonche
sghng Dec 7, 2025
1950257
use manylinux fot the whole cli
sghng Dec 7, 2025
1c86da2
manually install uv
sghng Dec 7, 2025
e002aa9
invoke script directly
sghng Dec 7, 2025
53985e1
fix file copying path
sghng Dec 8, 2025
7fd47c3
additional libxml2 installation
sghng Dec 8, 2025
989cd9a
uv is now available in rust image
sghng Dec 10, 2025
f26abf7
apk add --no-cache
sghng Dec 10, 2025
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32 changes: 10 additions & 22 deletions Dockerfile
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Original file line number Diff line number Diff line change
@@ -1,29 +1,17 @@
FROM rust:slim AS typ2docx
RUN apt update && apt install -y --no-install-recommends \
curl pkg-config libssl-dev
RUN curl -LsSf https://astral.sh/uv/install.sh | sh
FROM rust:alpine AS typ2docx

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The gcompat package provides GNU libc compatibility for musl-based Alpine, which is needed for Python packages like saxonche (listed in pyproject.toml) that have glibc dependencies. However, gcompat may not fully support all glibc features. Consider testing thoroughly to ensure all Python dependencies (especially saxonche, pdfservices-sdk, and pdf2docx) work correctly with musl/gcompat, or document any known limitations.

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FROM rust:alpine AS typ2docx
FROM rust:alpine AS typ2docx
# NOTE: gcompat provides partial GNU libc compatibility for musl-based Alpine.
# Some Python packages (e.g., saxonche, pdfservices-sdk, pdf2docx) may require full glibc support.
# gcompat may not fully support all glibc features; test these packages thoroughly and document any known limitations.

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RUN apk add pkgconfig openssl-dev uv gcompat

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The Alpine package name should be pkgconf instead of pkgconfig. In Alpine Linux, the pkg-config implementation is provided by the pkgconf package. Using pkgconfig may cause the build to fail.

Suggested change
RUN apk add pkgconfig openssl-dev uv gcompat
RUN apk add pkgconf openssl-dev uv gcompat

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Installing uv via apk requires adding the community or testing repository, as it's not available in the main Alpine repository. Consider either adding the repository explicitly (e.g., RUN apk add --repository=http://dl-cdn.alpinelinux.org/alpine/edge/testing uv) or reverting to the curl installation method from the original version to ensure the build succeeds reliably.

Suggested change
RUN apk add pkgconfig openssl-dev uv gcompat
RUN apk add pkgconfig openssl-dev gcompat && \
apk add --repository=http://dl-cdn.alpinelinux.org/alpine/edge/testing uv

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COPY pyproject.toml /
RUN /root/.local/bin/uv tool install typ2docx --verbose
RUN uv tool install typ2docx --verbose

# align with oven/bun:slim
FROM rust:slim-bookworm AS typst
RUN apt update && apt install -y --no-install-recommends pkg-config libssl-dev
COPY Cargo.toml /
RUN cargo install typst-cli
FROM alpine:edge AS typst
RUN apk add typst

Comment on lines +6 to 8

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Using alpine:edge provides the latest rolling release packages but can introduce instability and breaking changes. Consider using a stable Alpine version (e.g., alpine:3.20) with an explicit typst version for better reproducibility and reliability in production environments.

Suggested change
FROM alpine:edge AS typst
RUN apk add typst
FROM alpine:3.20 AS typst
RUN apk add --no-cache ca-certificates wget tar
# Install specific typst version (e.g., v0.10.0)
ENV TYPST_VERSION=0.10.0
RUN wget -O typst.tar.xz https://github.com/typst/typst/releases/download/v${TYPST_VERSION}/typst-x86_64-unknown-linux-musl.tar.xz \
&& tar -xf typst.tar.xz \
&& mv typst-x86_64-unknown-linux-musl/typst /usr/bin/typst \
&& rm -rf typst-x86_64-unknown-linux-musl typst.tar.xz

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FROM alpine/curl AS pandoc
ARG PLATFORM=linux-amd64
ARG REPO=https://github.com/jgm/pandoc
ARG VERSION=3.8.3
ARG FILE=pandoc-${VERSION}-${PLATFORM}.tar.gz
RUN curl -L "${REPO}/releases/download/${VERSION}/${FILE}" | tar -xz
FROM pandoc/minimal AS pandoc

FROM oven/bun:slim
RUN apt update && \
apt install -y --no-install-recommends ca-certificates unzip rsync zip && \
rm -rf /var/lib/apt/lists/
COPY --from=pandoc /pandoc-*/bin/pandoc /usr/local/bin/
COPY --from=typst /usr/local/cargo/bin/typst /usr/local/bin/
FROM oven/bun:alpine
RUN apk add ca-certificates unzip rsync zip

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Missing the --no-cache flag for apk add commands. Adding this flag (e.g., RUN apk add --no-cache ...) prevents caching the package index and reduces the final image size, which is a best practice for Alpine-based Docker images.

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COPY --from=pandoc /usr/local/bin/pandoc /usr/local/bin/
COPY --from=typst /usr/bin/typst /usr/local/bin/
COPY --from=typ2docx /root/.local/bin/typ2docx /usr/local/bin/
COPY --from=typ2docx /root/.local/share/uv/ /root/.local/share/uv/
COPY server.ts /
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