test images: Adds Windows support (part 3)

Adds the httpd, nginx, images that are used in tests.

Two different versions of nginx have to build, and thus, the have
different folders. An ALIAS file was added to nginx-new in order to
keep the same image name.

test/images/nginx-new/Dockerfile_windows

@@ -0,0 +1,27 @@
+# Copyright 2021 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
+ARG REGISTRY
+ARG OS_VERSION
+
+FROM claudiubelu/nginx:1.19.2 as nginx-source
+FROM --platform=linux/amd64 $REGISTRY/windows-servercore-cache:1.0-linux-amd64-$OS_VERSION as servercore-helper
+FROM $BASEIMAGE
+
+COPY --from=nginx-source /nginx /usr/share/nginx
+
+USER ContainerAdministrator
+EXPOSE 80
+ENTRYPOINT ["/usr/share/nginx/nginx.exe"]