Dockerfile

FROM microsoft/nanoserver:sac2016

# $ProgressPreference: https://github.com/PowerShell/PowerShell/issues/2138#issuecomment-251261324
SHELL ["powershell", "-Command", "$ErrorActionPreference = 'Stop'; $ProgressPreference = 'SilentlyContinue';"]

# enable TLS 1.2 (Nano Server doesn't support using "[Net.ServicePointManager]::SecurityProtocol")
# https://docs.microsoft.com/en-us/system-center/vmm/install-tls?view=sc-vmm-1801
# https://docs.microsoft.com/en-us/windows-server/identity/ad-fs/operations/manage-ssl-protocols-in-ad-fs#enable-tls-12
RUN Write-Host 'Enabling TLS 1.2 (https://githubengineering.com/crypto-removal-notice/) ...'; \
	$tls12RegBase = 'HKLM:\\SYSTEM\CurrentControlSet\Control\SecurityProviders\SCHANNEL\Protocols\TLS 1.2'; \
	if (Test-Path $tls12RegBase) { throw ('"{0}" already exists!' -f $tls12RegBase) }; \
	New-Item -Path ('{0}/Client' -f $tls12RegBase) -Force; \
	New-Item -Path ('{0}/Server' -f $tls12RegBase) -Force; \
	New-ItemProperty -Path ('{0}/Client' -f $tls12RegBase) -Name 'DisabledByDefault' -PropertyType DWORD -Value 0 -Force; \
	New-ItemProperty -Path ('{0}/Client' -f $tls12RegBase) -Name 'Enabled' -PropertyType DWORD -Value 1 -Force; \
	New-ItemProperty -Path ('{0}/Server' -f $tls12RegBase) -Name 'DisabledByDefault' -PropertyType DWORD -Value 0 -Force; \
	New-ItemProperty -Path ('{0}/Server' -f $tls12RegBase) -Name 'Enabled' -PropertyType DWORD -Value 1 -Force

ENV JAVA_HOME C:\\ojdkbuild
RUN $newPath = ('{0}\bin;{1}' -f $env:JAVA_HOME, $env:PATH); \
	Write-Host ('Updating PATH: {0}' -f $newPath); \
# Nano Server does not have "[Environment]::SetEnvironmentVariable()"
	setx /M PATH $newPath;

# https://github.com/ojdkbuild/ojdkbuild/releases
ENV JAVA_VERSION 8u191
ENV JAVA_OJDKBUILD_VERSION 1.8.0.191-1
ENV JAVA_OJDKBUILD_ZIP java-1.8.0-openjdk-1.8.0.191-1.b12.ojdkbuild.windows.x86_64.zip
ENV JAVA_OJDKBUILD_SHA256 d52167198912e239bba19e059870c5742558096ad7b82fe73d51461361b149bd

RUN $url = ('https://github.com/ojdkbuild/ojdkbuild/releases/download/{0}/{1}' -f $env:JAVA_OJDKBUILD_VERSION, $env:JAVA_OJDKBUILD_ZIP); \
	Write-Host ('Downloading {0} ...' -f $url); \
	Invoke-WebRequest -Uri $url -OutFile 'ojdkbuild.zip'; \
	Write-Host ('Verifying sha256 ({0}) ...' -f $env:JAVA_OJDKBUILD_SHA256); \
	if ((Get-FileHash ojdkbuild.zip -Algorithm sha256).Hash -ne $env:JAVA_OJDKBUILD_SHA256) { \
		Write-Host 'FAILED!'; \
		exit 1; \
	}; \
	\
	Write-Host 'Expanding ...'; \
	Expand-Archive ojdkbuild.zip -DestinationPath C:\; \
	\
	Write-Host 'Renaming ...'; \
	Move-Item \
		-Path ('C:\{0}' -f ($env:JAVA_OJDKBUILD_ZIP -Replace '.zip$', '')) \
		-Destination $env:JAVA_HOME \
	; \
	\
	Write-Host 'Verifying install ...'; \
	Write-Host '  java --version'; java --version; \
	Write-Host '  javac --version'; javac --version; \
	\
	Write-Host 'Removing ...'; \
	Remove-Item ojdkbuild.zip -Force; \
	\
	Write-Host 'Complete.';