* ADD: initial commit

powershell/Dockerfile

@@ -0,0 +1,24 @@
+FROM debian:bullseye-slim
+LABEL maintainer.name="Uwe Hermann"\
+      maintainer.email="uh@uleenucks.de"
+
+RUN apt-get update && apt-get install -y -q --no-install-recommends \
+  curl \
+  ca-certificates \
+  apt-transport-https \
+  gnupg2
+
+RUN curl https://packages.microsoft.com/keys/microsoft.asc | apt-key add -
+RUN echo "deb [arch=amd64] https://packages.microsoft.com/repos/microsoft-debian-bullseye-prod bullseye main" > /etc/apt/sources.list.d/microsoft.list
+
+RUN apt-get update && apt-get install -y -q --no-install-recommends \
+  powershell \
+  && apt-get purge -y -q \
+  ca-certificates \
+  curl \
+  apt-transport-https \
+  gnupg2 \
+  && apt-get autoremove -y \
+  && rm -rf /var/lib/apt/lists/*
+
+ENTRYPOINT [ "/usr/bin/pwsh" ]