Add missing dockerfile

Author: atrakic

docker/sqlpackage/Dockerfile

@@ -0,0 +1,11 @@
+FROM --platform=$BUILDPLATFORM mcr.microsoft.com/dotnet/sdk:8.0
+WORKDIR /app
+
+RUN set -x \
+	&& dotnet tool update --global microsoft.sqlpackage
+
+ENV PATH="${PATH}:/root/.dotnet/tools"
+ENV TZ="Etc/UTC"
+
+COPY --chmod=0755 entrypoint.sh /usr/local/bin/
+ENTRYPOINT ["entrypoint.sh"]

docker/sqlpackage/entrypoint.sh

@@ -0,0 +1 @@
+sqlpackage /Version