Powershell alpine docker image

Dockerfile

FROM alpine:3.10.3

RUN apk add --no-cache \
    ca-certificates \
    less \
    ncurses-terminfo-base \
    krb5-libs \
    libgcc \
    libintl \
    libssl1.1 \
    libstdc++ \
    tzdata \
    userspace-rcu \
    zlib \
    icu-libs \
    curl

RUN apk -X https://dl-cdn.alpinelinux.org/alpine/edge/main add --no-cache lttng-ust

RUN curl -L https://github.com/PowerShell/PowerShell/releases/download/v7.0.0-preview.4/powershell-7.0.0-preview.4-linux-alpine-x64.tar.gz \
		-o /tmp/powershell.tar.gz && \
	mkdir -p /opt/microsoft/powershell/7-preview && \
	tar zxf /tmp/powershell.tar.gz -C /opt/microsoft/powershell/7-preview && \
	rm /tmp/powershell.tar.gz && \
	chmod +x /opt/microsoft/powershell/7-preview/pwsh && \
	ln -s /opt/microsoft/powershell/7-preview/pwsh /usr/bin/pwsh-preview

ENTRYPOINT ["pwsh-preview"]
CMD []