Add diffutils for actsync.

CHANGELOG.md

@@ -4,6 +4,12 @@ All notable changes to this project will be documented in this file.
 
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.1.0/) but do not follows semantic versioning as it is useless in this type of project.
 
+## [2.7.4-5] - 2026-08-02
+
+### Added
+
+* diffutils package installation for actsync to work.
+
 ## [2.7.4-4] - 2026-07-29
 
 ### Added
@@ -48,6 +54,8 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.1.0/)
 
 Initial container release with inn 2.7.4 built with perl/python/sqlite support.
 
+[2.7.4-5]: https://code.pztrn.name/containers/inn2/compare/2.7.4-4...2.7.4-5
+[2.7.4-4]: https://code.pztrn.name/containers/inn2/compare/2.7.4-3...2.7.4-4
 [2.7.4-3]: https://code.pztrn.name/containers/inn2/compare/2.7.4-2...2.7.4-3
 [2.7.4-2]: https://code.pztrn.name/containers/inn2/compare/2.7.4-1...2.7.4-2
 [2.7.4-1]: https://code.pztrn.name/containers/inn2/compare/2.7.4...2.7.4-1

Dockerfile

@@ -6,6 +6,7 @@ RUN apk add --no-cache \
     build-base \
     bzip2 \
     curl \
+    diffutils \
     flex \
     gawk \
     gd-dev \