fix(docker): add libicu* for .NET/PowerShell globalization on Ubuntu 26.04 - #15
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.NET/PowerShell requires ICU for globalization. Without it, pwsh aborts with "Couldn't find a valid ICU package". libicu* resolves to the current runtime package (libicu78 on ubuntu:latest / 26.04) and stays forward-compatible as Ubuntu advances.
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Summary
Fixes the Docker build failure introduced after the locale fix.
Error:
Root cause
.NET / PowerShell requires the ICU libraries for globalization. The previous package list installed
localesbut not the ICU runtime. Onubuntu:latest(currently 26.04) this causespwshto FailFast when the module-install step runs.Change
Add
libicu*to theapt-get installlist in the base stage. On current Ubuntu this resolves tolibicu78. The wildcard keeps the Dockerfile forward-compatible as Ubuntu advances ICU versions.No base-image pin (stays on
ubuntu:latestper preference).Test plan
libicu78is the runtime package on Ubuntu 26.04 /ubuntu:latestlibicuNNpackage)