feat(caddy): support renaming configuration files

scripts/dotnet-docker.sh

@@ -0,0 +1,22 @@
+#!/usr/bin/env bash
+#
+# Runs any dotnet command inside the official .NET SDK container, for machines
+# without a local SDK installed. The repository is mounted at /src.
+#
+# Usage:
+#   ./scripts/dotnet-docker.sh test
+#   ./scripts/dotnet-docker.sh build CaddyManager.sln
+#   ./scripts/dotnet-docker.sh test --filter FullyQualifiedName~RenameCaddyConfiguration
+#
+# NuGet packages are cached in a named volume so only the first run downloads them.
+
+set -euo pipefail
+
+repo_root="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
+
+exec docker run --rm \
+    --volume "$repo_root":/src \
+    --workdir /src \
+    --volume caddymanager-nuget:/root/.nuget/packages \
+    mcr.microsoft.com/dotnet/sdk:9.0 \
+    dotnet "$@"