feat(container): update image gotenberg/gotenberg to 8.23.1

[rust84-bot]

This PR contains the following updates:

Package	Update	Change
gotenberg/gotenberg	minor	8.21.1 -> 8.23.1

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Release Notes

gotenberg/gotenberg (gotenberg/gotenberg)

v8.23.1: 8.23.1

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Bug Fixes

Chromium

The new version of Chromium fixes #​1239 - better compression for images, resulting in smaller PDF.

Thanks @​VeiaG, @​CmCarti, and @​zocario for the help!

Chore

• Updated Chromium to version 140.0.7339.127-1.
• Updated LibreOffice to version 25.8.1-1.
• Updated Go dependencies.

v8.23.0: 8.23.0

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New Feature

MathJaX Support

This release adds MatchJaX support for markdown conversion with the Chromium module. Thanks @​zekizz for the heads up!

Bug Fixes

AWS Lambda (Beta)

A few changes based on feedback from @​brettjenkins:

• AWS_LWA_INVOKE_MODE uses now the buffered value.
• No more auto start from Chromium and LibreOffice.

[!NOTE]
There is an ongoing discussion about improving this variant.
If you have feedback, please feel free to share it in the thread!

Chromium

Hypen data are now located in /opt/gotenberg. Thanks @​PureKrome, @​raraworks, and @​SanderBlom!

Chore

Updated Go dependencies.

v8.22.0: 8.22.0

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New Features

Webhook Sync Mode

New flag --webhook-enable-sync-mode (or environment variable WEBHOOK_ENABLE_SYNC_MODE) to enable synchronous mode for webhooks.

This is especially useful in serverless environments. Thanks @​ynarwal!

Cloud Run

This image is now preconfigured for Cloud Run with the following:

• Uses the PORT environment variable provided by Cloud Run.
• Logs in a format compatible with Cloud Run.
• Auto-starts Chromium and LibreOffice for faster readiness.
• Uses synchronous webhook mode, since Cloud Run may stop the container if there’s no HTTP activity.

AWS Lambda

We now provide a dedicated Docker image tag, available on both linux/amd64 and linux/arm64 architectures:

gotenberg/gotenberg:8-aws-lambda

This image is preconfigured for AWS Lambda:

• Uses the AWS_LWA_PORT environment variable provided by AWS Lambda.
• Auto-starts Chromium and LibreOffice for faster readiness.
• Uses synchronous webhook mode, since AWS Lambda may stop the container if there’s no HTTP activity.

Thanks @​ynarwal and @​sefij!

Bug Fix

Chromium

• Hyphens are now working all the time. Thanks @​BernhardBaumrock for the sponsorship!

Chore

• Updated base image to Debian 13 (trixie).
• Updated Chromium to version 139.0.7258.127-1 (all platforms). Note: the linux/amd64 variant now also uses Chromium instead of Google Chrome stable.
• Updated pdfcpu to version 0.11.0.
• Updated noto-color-emoji to version 2.048.
• Updated Go to version 1.25.
• Updated Go dependencies.

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