Upgraded windows images to 20h2

windows/app/Dockerfile

@@ -1,4 +1,4 @@
-FROM astrojs/jre-nanoserver-1809:latest
+FROM astrojs/jre-nanoserver-20h2:latest
 
 RUN pip3 install Flask redis compressinja celery
 

windows/docker-compose.yml

@@ -3,10 +3,10 @@ version: '3.9'
 services:
   python:
     build: pyrt
-    image: astrojs/pyrt-nanoserver-1809
+    image: astrojs/pyrt-nanoserver-20h2
   jre:
     build: jre 
-    image: astrojs/jre-nanoserver-1809
+    image: astrojs/jre-nanoserver-20h2
   redis:
     container_name: astrojsdev_redis
     build: redis
@@ -24,7 +24,6 @@ services:
       - 5000:5000
     volumes:
       - ../:C:/app
-      - cache:C:/app/cache
   tasks:
     container_name: astrojsdev_compiler
     image: astrojs/app
@@ -34,7 +33,6 @@ services:
       - web
     volumes:
       - ../:C:/app
-      - cache:C:/app/cache
 
 volumes:
   cache:

windows/jre/Dockerfile

@@ -1,9 +1,9 @@
-FROM astrojs/pyrt-nanoserver-1809:latest as base
+FROM astrojs/pyrt-nanoserver-20h2:latest as base
 
 ENV JAVA_HOME=C:\\openjdk-11
 ENV JAVA_VERSION=11.0.12
 
 RUN setx PATH "$Env:JAVA_HOME\bin`;$Env:Path" /M
 
-COPY --from=openjdk:11-jre-nanoserver-1809 /openjdk-11 /openjdk-11
+COPY --from=openjdk:11-jre-nanoserver /openjdk-11 /openjdk-11
 RUN echo Verifying install ... 	&& echo   java --version && java --version 	&& echo Complete.

windows/pyrt/dockerfile

@@ -1,4 +1,4 @@
-FROM mcr.microsoft.com/powershell:nanoserver-1809
+FROM mcr.microsoft.com/powershell:nanoserver-20h2
 
 SHELL [ "pwsh", "-Command", "$ErrorActionPreference = 'Stop'; $ProgressPreference = 'SilentlyContinue';" ]
 
@@ -13,7 +13,7 @@ RUN $url = 'https://www.python.org/ftp/python/3.7.6/python-3.7.6-embed-amd64.zip
 ### Begin workaround ###
 # Note that changing user on nanoserver is not recommended
 # See, https://docs.microsoft.com/en-us/virtualization/windowscontainers/manage-containers/container-base-images#base-image-differences
-# But we are working around a bug introduced in the nanoserver image introduced in 1809
+# But we are working around a bug introduced in the nanoserver image introduced in 20h2
 USER ContainerAdministrator
 
 # This is basically the correct code except for the /M

windows/redis/Dockerfile

@@ -1,4 +1,4 @@
-FROM mcr.microsoft.com/powershell:nanoserver-1809
+FROM mcr.microsoft.com/powershell:nanoserver-20h2
 
 SHELL [ "pwsh", "-Command", "$ErrorActionPreference = 'Stop'; $ProgressPreference = 'SilentlyContinue';" ]