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feat(Dockerfile): use upx-ucl to reduce Go binaries size

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This commit is contained in:
Julien Neuhart
2025-05-13 09:43:16 +02:00
parent 4b30567c39
commit 45b47a1071
1 changed files with 22 additions and 7 deletions
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29
build/Dockerfile
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@@ -8,7 +8,6 @@ ARG GOLANG_VERSION
# ----------------------------------------------
# Note: this stage is required as pdfcpu does not release an armhf variant by
# default.
FROM golang:$GOLANG_VERSION AS pdfcpu-binary-stage
ARG PDFCPU_VERSION
@@ -49,7 +48,25 @@ RUN go mod download &&\
COPY cmd ./cmd
COPY pkg ./pkg
RUN go build -o gotenberg -ldflags "-X 'github.com/gotenberg/gotenberg/v8/cmd.Version=$GOTENBERG_VERSION'" cmd/gotenberg/main.go
RUN go build -o gotenberg -ldflags "-s -w -X 'github.com/gotenberg/gotenberg/v8/cmd.Version=$GOTENBERG_VERSION'" cmd/gotenberg/main.go
# ----------------------------------------------
# Compress Golang binaries stage
# ----------------------------------------------
FROM debian:12-slim AS compress-go-binaries-stage
RUN \
echo "deb http://deb.debian.org/debian bookworm-backports main" >> /etc/apt/sources.list &&\
apt-get update -qq &&\
apt-get upgrade -yqq &&\
DEBIAN_FRONTEND=noninteractive apt-get install -y -qq --no-install-recommends -t bookworm-backports upx-ucl
COPY --from=pdfcpu-binary-stage /home/pdfcpu /home/pdfcpu
COPY --from=gotenberg-binary-stage /home/gotenberg /home/gotenberg
RUN \
upx-ucl --best /home/pdfcpu &&\
upx-ucl --best /home/gotenberg
# ----------------------------------------------
# Final stage
@@ -206,11 +223,9 @@ RUN \
# https://github.com/arachnys/athenapdf/commit/ba25a8d80a25d08d58865519c4cd8756dc9a336d.
COPY build/fonts.conf /etc/fonts/conf.d/100-gotenberg.conf
# Copy the pdfcpu binary from the pdfcpu-binary-stage.
COPY --from=pdfcpu-binary-stage /home/pdfcpu /usr/bin/
# Copy the Gotenberg binary from the gotenberg-binary-stage.
COPY --from=gotenberg-binary-stage /home/gotenberg /usr/bin/
# Copy the Golang binaries.
COPY --from=compress-go-binaries-stage /home/pdfcpu /usr/bin/
COPY --from=compress-go-binaries-stage /home/gotenberg /usr/bin/
# Environment variables required by modules or else.
ENV CHROMIUM_BIN_PATH=/usr/bin/chromium