Updated Base Image of Win-1809 Dockerfile

docker/docker/Dockerfile.windows.amd64.1809

@@ -1,5 +1,5 @@
 # escape=`
-FROM mcr.microsoft.com/windows/servercore:ltsc2019 as download
+FROM mcr.microsoft.com/windows/servercore:ltsc2019 as core
 
 SHELL ["powershell", "-Command", "$ErrorActionPreference = 'Stop'; $ProgressPreference = 'SilentlyContinue';"]
 
@@ -12,20 +12,24 @@ RUN Invoke-WebRequest 'http://constexpr.org/innoextract/files/innoextract-1.6-wi
 # Download Docker Toolbox
 RUN [Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12 ; `
     Invoke-WebRequest $('https://github.com/docker/toolbox/releases/download/v{0}/DockerToolbox-{0}.exe' -f $env:DOCKER_VERSION) -OutFile 'dockertoolbox.exe' -UseBasicParsing
+
 RUN C:\innoextract.exe dockertoolbox.exe
 
 FROM mcr.microsoft.com/windows/nanoserver:1809
 
 USER ContainerAdministrator
 
+ENV GODEBUG=netdns=go
+
+COPY --from=core /windows/system32/netapi32.dll /windows/system32/netapi32.dll
+COPY --from=core /app/docker.exe C:/bin/docker.exe
+
 LABEL maintainer="Drone.IO Community <[email protected]>" `
   org.label-schema.name="Drone Docker" `
   org.label-schema.vendor="Drone.IO Community" `
   org.label-schema.schema-version="1.0"
 
 RUN mkdir C:\bin
-COPY --from=download /windows/system32/netapi32.dll /windows/system32/netapi32.dll
-COPY --from=download /app/docker.exe C:/bin/docker.exe
 ADD release/windows/amd64/drone-docker.exe C:/bin/drone-docker.exe
 
 ENTRYPOINT [ "C:\\bin\\drone-docker.exe" ]