mirror of
https://github.com/gotenberg/gotenberg.git
synced 2026-08-08 00:22:14 +01:00
feat: improve Dockerfiles for a better DX
This commit is contained in:
Julien Neuhart
140
build/Dockerfile
140
build/Dockerfile
@@ -1,11 +1,15 @@
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# Note: ARG instructions do not create additional layers.
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# Instead, next layers will concatenate them.
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# ARG instructions do not create additional layers. Instead, next layers will
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# concatenate them. Also, we have to repeat ARG instructions in each build
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# stage that uses them.
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ARG GOLANG_VERSION
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# Note: we have to repeat ARG instructions in each build stage that uses them.
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ARG GOTENBERG_VERSION
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FROM golang:$GOLANG_VERSION AS builder
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# ----------------------------------------------
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# Gotenberg binary build stage
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# ----------------------------------------------
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FROM golang:$GOLANG_VERSION AS binary-stage
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ARG GOTENBERG_VERSION
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ENV CGO_ENABLED 0
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# Define the working directory outside of $GOPATH (we're using go modules).
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@@ -21,14 +25,18 @@ RUN go mod download &&\
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COPY cmd ./cmd
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COPY pkg ./pkg
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# Build the binary.
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ARG GOTENBERG_VERSION
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RUN go build -o gotenberg -ldflags "-X 'github.com/gotenberg/gotenberg/v7/cmd.Version=$GOTENBERG_VERSION'" cmd/gotenberg/main.go
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# ----------------------------------------------
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# Final stage
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# ----------------------------------------------
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FROM debian:11-slim
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ARG GOTENBERG_VERSION
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ARG GOTENBERG_USER_GID
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ARG GOTENBERG_USER_UID
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ARG NOTO_COLOR_EMOJI_VERSION
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ARG PDFTK_VERSION
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LABEL author="Julien Neuhart" \
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description="A Docker-powered stateless API for PDF files." \
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@@ -36,43 +44,33 @@ LABEL author="Julien Neuhart" \
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version="$GOTENBERG_VERSION" \
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website="https://gotenberg.dev"
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# Improve fonts subpixel hinting and smoothing.
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# Credits:
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# https://github.com/arachnys/athenapdf/issues/69.
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# https://github.com/arachnys/athenapdf/commit/ba25a8d80a25d08d58865519c4cd8756dc9a336d.
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COPY build/fonts.conf /etc/fonts/conf.d/100-gotenberg.conf
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# Simple wrapper around Java and PDFtk.
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COPY build/pdftk.sh /usr/bin/pdftk
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# Setup the Docker image.
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ARG GOTENBERG_USER_GID
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ARG GOTENBERG_USER_UID
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ARG NOTO_COLOR_EMOJI_VERSION
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ARG PDFTK_VERSION
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# Script for installing either Google Chrome stable on amd64 architecture or
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# Chromium on other architectures.
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# See https://github.com/gotenberg/gotenberg/issues/328.
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COPY build/install-chromium.sh /tmp/install-chromium.sh
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RUN \
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# Create a non-root user.
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# All processes in the Docker container will run with this dedicated user.
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groupadd --gid "$GOTENBERG_USER_GID" gotenberg &&\
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useradd --uid "$GOTENBERG_USER_UID" --gid gotenberg --shell /bin/bash --home /home/gotenberg --no-create-home gotenberg &&\
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mkdir /home/gotenberg &&\
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chown gotenberg: /home/gotenberg &&\
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# Install dependencies required for the next instructions or debugging.
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chown gotenberg: /home/gotenberg
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RUN \
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# Install system dependencies required for the next instructions or debugging.
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# Note: tini is a helper for reaping zombie processes.
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apt-get update -qq &&\
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DEBIAN_FRONTEND=noninteractive apt-get install -y -qq --no-install-recommends curl gnupg htop tini python3 default-jre-headless &&\
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ln -s /usr/bin/htop /usr/bin/top &&\
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# Cleanup.
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# Note: the Debian image does automatically a clean after each install thanks to a hook.
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# Therefore, there is no need for apt-get clean.
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# See https://stackoverflow.com/a/24417119/3248473.
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rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/*
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RUN \
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# Install fonts.
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# Credits:
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# https://github.com/arachnys/athenapdf/blob/master/cli/Dockerfile.
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# https://help.accusoft.com/PrizmDoc/v12.1/HTML/Installing_Asian_Fonts_on_Ubuntu_and_Debian.html.
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curl -o ./ttf-mscorefonts-installer_3.8_all.deb http://httpredir.debian.org/debian/pool/contrib/m/msttcorefonts/ttf-mscorefonts-installer_3.8_all.deb &&\
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apt-get update -qq &&\
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DEBIAN_FRONTEND=noninteractive apt-get install -y -qq --no-install-recommends \
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./ttf-mscorefonts-installer_3.8_all.deb \
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culmus \
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@@ -115,53 +113,69 @@ RUN \
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# https://github.com/gotenberg/gotenberg/pull/325.
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# https://github.com/googlefonts/noto-emoji.
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curl -Ls "https://github.com/googlefonts/noto-emoji/raw/$NOTO_COLOR_EMOJI_VERSION/fonts/NotoColorEmoji.ttf" -o /usr/local/share/fonts/NotoColorEmoji.ttf &&\
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# Install Google Chrome / Chromium.
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/tmp/install-chromium.sh &&\
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# Install LibreOffice.
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# Cleanup.
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rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/*
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RUN \
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# Install either Google Chrome stable on amd64 architecture or
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# Chromium on other architectures.
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# See https://github.com/gotenberg/gotenberg/issues/328.
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/bin/bash -c \
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'set -e &&\
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if [[ "$(dpkg --print-architecture)" == "amd64" ]]; then \
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curl https://dl.google.com/linux/linux_signing_key.pub | apt-key add - &&\
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echo "deb http://dl.google.com/linux/chrome/deb/ stable main" | tee /etc/apt/sources.list.d/google-chrome.list &&\
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apt-get update -qq &&\
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DEBIAN_FRONTEND=noninteractive apt-get install -y -qq --no-install-recommends --allow-unauthenticated google-chrome-stable &&\
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mv /usr/bin/google-chrome-stable /usr/bin/chromium; \
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else \
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apt-get update -qq &&\
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DEBIAN_FRONTEND=noninteractive apt-get install -y -qq --no-install-recommends chromium; \
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fi' &&\
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# Verify installation.
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chromium --version &&\
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# Cleanup.
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rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/*
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RUN \
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# Install LibreOffice & unoconv.
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apt-get update -qq &&\
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DEBIAN_FRONTEND=noninteractive apt-get install -y -qq --no-install-recommends libreoffice &&\
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# Next lines are not currently relevant, as latest versions of LibreOffice
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# (i.e., > 7.0.4) are causing troubles.
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# See:
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# https://packages.debian.org/search?keywords=libreoffice.
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# https://github.com/gotenberg/gotenberg/issues/442.
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# https://github.com/gotenberg/gotenberg/issues/516.
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# https://github.com/gotenberg/gotenberg/issues/529.
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# https://github.com/gotenberg/gotenberg/issues/537.
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# https://github.com/gotenberg/gotenberg/issues/568.
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# Note: we use the bullseye-backports distribution to get the latest LibreOffice version.
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# See:
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# https://github.com/gotenberg/gotenberg/pull/322.
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# https://github.com/gotenberg/gotenberg/issues/403.
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#echo "deb https://httpredir.debian.org/debian/ bullseye-backports main contrib non-free" >> /etc/apt/sources.list &&\
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#apt-get update -qq &&\
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#DEBIAN_FRONTEND=noninteractive apt-get install -y -qq --no-install-recommends -t bullseye-backports libreoffice &&\
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# Download unoconv (Python script).
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curl -Ls https://raw.githubusercontent.com/dagwieers/unoconv/master/unoconv -o /usr/bin/unoconv &&\
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chmod +x /usr/bin/unoconv &&\
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# unoconv will look for the Python binary, which has to be at version 3.
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ln -s /usr/bin/python3 /usr/bin/python &&\
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# Download PDFtk.
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# See https://github.com/gotenberg/gotenberg/pull/273. \
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# Verify installations.
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libreoffice --version &&\
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unoconv --version &&\
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# Cleanup.
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rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/*
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RUN \
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# Install PDFtk & QPDF (PDF engines).
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# See https://github.com/gotenberg/gotenberg/pull/273.
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curl -o /usr/bin/pdftk-all.jar "https://gitlab.com/api/v4/projects/5024297/packages/generic/pdftk-java/$PDFTK_VERSION/pdftk-all.jar" &&\
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chmod a+x /usr/bin/pdftk-all.jar &&\
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# Download QPDF.
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echo '#!/bin/bash\n\nexec java -jar /usr/bin/pdftk-all.jar "$@"' > /usr/bin/pdftk && \
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chmod +x /usr/bin/pdftk &&\
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apt-get update -qq &&\
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DEBIAN_FRONTEND=noninteractive apt-get install -y -qq --no-install-recommends qpdf &&\
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# See https://github.com/nextcloud/docker/issues/380.
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mkdir -p /usr/share/man/man1 &&\
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# Cleanup.
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# Note: the Debian image does automatically a clean after each install thanks to a hook.
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# Therefore, there is no need for apt-get clean.
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# See https://stackoverflow.com/a/24417119/3248473.
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rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/* &&\
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# Print versions of main dependencies.
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chromium --version &&\
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libreoffice --version &&\
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unoconv --version &&\
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# Verify installations.
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pdftk --version &&\
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qpdf --version
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qpdf --version &&\
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# Cleanup.
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rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/*
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# Improve fonts subpixel hinting and smoothing.
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# Credits:
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# https://github.com/arachnys/athenapdf/issues/69.
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# https://github.com/arachnys/athenapdf/commit/ba25a8d80a25d08d58865519c4cd8756dc9a336d.
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COPY build/fonts.conf /etc/fonts/conf.d/100-gotenberg.conf
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# Copy the Gotenberg binary from the builder stage.
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COPY --from=builder /home/gotenberg /usr/bin/
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COPY --from=binary-stage /home/gotenberg /usr/bin/
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# Environment variables required by modules or else.
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ENV GC_EXCLUDE_SUBSTR "hsperfdata_root,hsperfdata_gotenberg"
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