code-server-powershell: initial release

Dockerfile

@@ -1,4 +1,25 @@
+FROM lsiobase/alpine:3.11 as buildstage
+
+ARG PS_VERSION
+
+RUN \
+ apk add --no-cache \
+    curl && \
+ if [ -z ${PS_VERSION+x} ]; then \
+	PS_VERSION=$(curl -sX GET "https://api.github.com/repos/PowerShell/PowerShell/releases/latest" \
+	| awk '/tag_name/{print $4;exit}' FS='[""]' | awk '{print substr($1,2); }'); \
+ fi && \
+ mkdir -p /root-layer && \
+ curl -o \
+   /root-layer/powershell.deb -L \
+   "https://github.com/PowerShell/PowerShell/releases/download/v${PS_VERSION}/powershell_${PS_VERSION}-1.ubuntu.18.04_amd64.deb"
+
+COPY root/ /root-layer/
+
+# runtime stage
 FROM scratch
 
-# copy local files
-COPY root/ /
+LABEL maintainer="aptalca"
+
+# Add files from buildstage
+COPY --from=buildstage /root-layer/ /