Fix aarch64 docker build

[polyfloyd]

According to the CI, the docker build for 64 bit ARM is failing. Judging from the logs it seems to be missing the C++ compiler for this target. This is an attempted fix...

I have also merged the apt commands in the Dockerfile and removed the part that removed packages again as that does actually not save space in the Docker image being built.

Summary by Sourcery

Fix the aarch64 Docker build by installing the missing C++ compiler and streamlining package installation and cleanup

Bug Fixes:

• Install g++ to support 64-bit ARM builds

Build:

• Merge multiple apt installs into a single RUN and switch from apt-get to apt
• Remove the separate package purge step and clean apt caches inline to reduce layers

[sourcery-ai]

Reviewer's Guide

The Dockerfile was refactored to fix the aarch64 build by switching to apt commands, adding the missing C++ compiler, and consolidating cleanup steps to streamline image size.

File-Level Changes

Change	Details	Files
Refactored package installation to use apt and merge update steps	Replaced apt-get update/install with apt update/install Merged multiple update/install runs into a single RUN command Preserved --no-install-recommends across installs	Dockerfile
Added missing C++ compiler for aarch64 target	Included g++ in the build package list	Dockerfile
Optimized cleanup by removing separate removal step and cleaning caches inline	Removed standalone apt-get remove --purge block Added rm -rf of /var/cache/apt and /var/lib/apt/lists/* in the installation RUN Dropped redundant cleanup at end of Dockerfile	Dockerfile

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[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud