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[INFRA-521] Remove unused nginx modules and curl #20

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Merged
zacblazic merged 4 commits into from
Oct 30, 2026
Merged

[INFRA-521] Remove unused nginx modules and curl #20

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d2edd18
Remove unused nginx modules and curl
zacblazic Oct 30, 2026
31052d4
Document differences from upstream
zacblazic Oct 30, 2026
9484e3a
Update changelog
zacblazic Oct 30, 2026
175e2d8
Split changelog entry
zacblazic Oct 30, 2026
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6 changes: 6 additions & 0 deletions CHANGELOG.md
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@@ -1,5 +1,11 @@
# Changelog

## 1.31.8-1

* Remove the `acme`, `geoip`, `image-filter`, `njs` and `xslt` dynamic
modules.
* Remove `curl`.

## 1.31.8

* Upgrade to Nginx 1.31.8.
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10 changes: 10 additions & 0 deletions Dockerfile
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Expand Up @@ -2,6 +2,16 @@ FROM nginx:1.31.8-trixie

ENV NGINX_ENTRYPOINT_QUIET_LOGS=1

# Remove dynamic modules and tools that upstream installs but we don't use
RUN apt-get purge -y --auto-remove \
curl \
nginx-module-acme \
nginx-module-geoip \
nginx-module-image-filter \
nginx-module-njs \
nginx-module-xslt && \
rm -rf /var/lib/apt/lists/*

# Override default configuration files
COPY ./config/nginx.conf /etc/nginx/nginx.conf
COPY ./config/default.conf /etc/nginx/conf.d/default.conf
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3 changes: 2 additions & 1 deletion README.md
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Expand Up @@ -8,7 +8,8 @@ https://wikipedia.org/wiki/nginx

## How does this differ from upstream?

Currently, the only difference is that we use `SIGQUIT` as the [`STOPSIGNAL`](https://docs.docker.com/engine/reference/builder/#stopsignal) whereas upstream uses the default i.e. `SIGTERM`. Using `SIGQUIT` is better for our use-case as it ensures that nginx will perform a [graceful shutdown](https://docs.nginx.com/nginx/admin-guide/basic-functionality/runtime-control/).
* We use `SIGQUIT` as the [`STOPSIGNAL`](https://docs.docker.com/engine/reference/builder/#stopsignal) whereas upstream uses the default i.e. `SIGTERM`. Using `SIGQUIT` is better for our use-case as it ensures that nginx will perform a [graceful shutdown](https://docs.nginx.com/nginx/admin-guide/basic-functionality/runtime-control/).
* We remove the `acme`, `geoip`, `image-filter`, `njs` and `xslt` dynamic modules and `curl`, which upstream installs but we don't use. This keeps their libraries, and the vulnerabilities reported against them, out of the image. Install them in a derived image if you need them.

## Usage

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