# Copyright 2020 The Kubernetes Authors.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
ARG BASEIMAGE
# We're using a Linux image to unpack the archive, then we're copying it over to Windows.
FROM --platform=linux/amd64 alpine:3.6 as prep
ADD https://github.com/coredns/coredns/releases/download/v1.5.0/coredns_1.5.0_windows_amd64.tgz /coredns.tgz
RUN tar -xzvf /coredns.tgz
FROM $BASEIMAGE
COPY --from=prep /coredns.exe /coredns.exe
# NOTE(claudiub): docker buildx sets the PATH env variable to a Linux-like PATH, which is not desirable.
ENV PATH="C:\dig\;C:\bin;C:\curl;C:\Windows\System32;C:\Windows;C:\Program Files\PowerShell;"