remove legacy ENV variables (#628)

* remove legacy ENV variables

* fix doc generator

* simplify

Author: gdams

11/jdk/alpine/Dockerfile

@@ -19,8 +19,8 @@
 
 FROM alpine:3.20
 
-ENV JAVA_HOME /opt/java/openjdk
-ENV PATH $JAVA_HOME/bin:$PATH
+ENV JAVA_HOME=/opt/java/openjdk
+ENV PATH=$JAVA_HOME/bin:$PATH
 
 # Default to UTF-8 file.encoding
 ENV LANG='en_US.UTF-8' LANGUAGE='en_US:en' LC_ALL='en_US.UTF-8'
@@ -45,7 +45,7 @@ RUN set -eux; \
     ; \
     rm -rf /var/cache/apk/*
 
-ENV JAVA_VERSION jdk-11.0.24+8
+ENV JAVA_VERSION=jdk-11.0.24+8
 
 RUN set -eux; \
     ARCH="$(apk --print-arch)"; \

11/jdk/ubi/ubi9-minimal/Dockerfile

@@ -19,8 +19,8 @@
 
 FROM redhat/ubi9-minimal
 
-ENV JAVA_HOME /opt/java/openjdk
-ENV PATH $JAVA_HOME/bin:$PATH
+ENV JAVA_HOME=/opt/java/openjdk
+ENV PATH=$JAVA_HOME/bin:$PATH
 
 # Default to UTF-8 file.encoding
 ENV LANG='en_US.UTF-8' LANGUAGE='en_US:en' LC_ALL='en_US.UTF-8'
@@ -44,7 +44,7 @@ RUN set -eux; \
     ; \
     microdnf clean all
 
-ENV JAVA_VERSION jdk-11.0.24+8
+ENV JAVA_VERSION=jdk-11.0.24+8
 
 RUN set -eux; \
     ARCH="$(rpm --query --queryformat='%{ARCH}' rpm)"; \

11/jdk/ubuntu/focal/Dockerfile

@@ -19,8 +19,8 @@
 
 FROM ubuntu:20.04
 
-ENV JAVA_HOME /opt/java/openjdk
-ENV PATH $JAVA_HOME/bin:$PATH
+ENV JAVA_HOME=/opt/java/openjdk
+ENV PATH=$JAVA_HOME/bin:$PATH
 
 # Default to UTF-8 file.encoding
 ENV LANG='en_US.UTF-8' LANGUAGE='en_US:en' LC_ALL='en_US.UTF-8'
@@ -46,7 +46,7 @@ RUN set -eux; \
     locale-gen en_US.UTF-8; \
     rm -rf /var/lib/apt/lists/*
 
-ENV JAVA_VERSION jdk-11.0.24+8
+ENV JAVA_VERSION=jdk-11.0.24+8
 
 RUN set -eux; \
     ARCH="$(dpkg --print-architecture)"; \

11/jdk/ubuntu/jammy/Dockerfile

@@ -19,8 +19,8 @@
 
 FROM ubuntu:22.04
 
-ENV JAVA_HOME /opt/java/openjdk
-ENV PATH $JAVA_HOME/bin:$PATH
+ENV JAVA_HOME=/opt/java/openjdk
+ENV PATH=$JAVA_HOME/bin:$PATH
 
 # Default to UTF-8 file.encoding
 ENV LANG='en_US.UTF-8' LANGUAGE='en_US:en' LC_ALL='en_US.UTF-8'
@@ -46,7 +46,7 @@ RUN set -eux; \
     locale-gen en_US.UTF-8; \
     rm -rf /var/lib/apt/lists/*
 
-ENV JAVA_VERSION jdk-11.0.24+8
+ENV JAVA_VERSION=jdk-11.0.24+8
 
 RUN set -eux; \
     ARCH="$(dpkg --print-architecture)"; \

11/jdk/ubuntu/noble/Dockerfile

@@ -19,8 +19,8 @@
 
 FROM ubuntu:24.04
 
-ENV JAVA_HOME /opt/java/openjdk
-ENV PATH $JAVA_HOME/bin:$PATH
+ENV JAVA_HOME=/opt/java/openjdk
+ENV PATH=$JAVA_HOME/bin:$PATH
 
 # Default to UTF-8 file.encoding
 ENV LANG='en_US.UTF-8' LANGUAGE='en_US:en' LC_ALL='en_US.UTF-8'
@@ -46,7 +46,7 @@ RUN set -eux; \
     locale-gen en_US.UTF-8; \
     rm -rf /var/lib/apt/lists/*
 
-ENV JAVA_VERSION jdk-11.0.24+8
+ENV JAVA_VERSION=jdk-11.0.24+8
 
 RUN set -eux; \
     ARCH="$(dpkg --print-architecture)"; \

11/jdk/windows/nanoserver-1809/Dockerfile

@@ -21,7 +21,7 @@ FROM mcr.microsoft.com/windows/nanoserver:1809
 
 SHELL ["cmd", "/s", "/c"]
 
-ENV JAVA_VERSION jdk-11.0.24+8
+ENV JAVA_VERSION=jdk-11.0.24+8
 
 ENV JAVA_HOME C:\\openjdk-11
 # "ERROR: Access to the registry path is denied."

11/jdk/windows/nanoserver-ltsc2022/Dockerfile

@@ -21,7 +21,7 @@ FROM mcr.microsoft.com/windows/nanoserver:ltsc2022
 
 SHELL ["cmd", "/s", "/c"]
 
-ENV JAVA_VERSION jdk-11.0.24+8
+ENV JAVA_VERSION=jdk-11.0.24+8
 
 ENV JAVA_HOME C:\\openjdk-11
 # "ERROR: Access to the registry path is denied."

11/jdk/windows/windowsservercore-1809/Dockerfile

@@ -22,7 +22,7 @@ FROM mcr.microsoft.com/windows/servercore:1809
 # $ProgressPreference: https://github.com/PowerShell/PowerShell/issues/2138#issuecomment-251261324
 SHELL ["powershell", "-Command", "$ErrorActionPreference = 'Stop'; $ProgressPreference = 'SilentlyContinue';"]
 
-ENV JAVA_VERSION jdk-11.0.24+8
+ENV JAVA_VERSION=jdk-11.0.24+8
 
 RUN Write-Host ('Downloading https://github.com/adoptium/temurin11-binaries/releases/download/jdk-11.0.24%2B8/OpenJDK11U-jdk_x64_windows_hotspot_11.0.24_8.msi ...'); \
     curl.exe -LfsSo openjdk.msi https://github.com/adoptium/temurin11-binaries/releases/download/jdk-11.0.24%2B8/OpenJDK11U-jdk_x64_windows_hotspot_11.0.24_8.msi ; \

11/jdk/windows/windowsservercore-ltsc2022/Dockerfile

@@ -22,7 +22,7 @@ FROM mcr.microsoft.com/windows/servercore:ltsc2022
 # $ProgressPreference: https://github.com/PowerShell/PowerShell/issues/2138#issuecomment-251261324
 SHELL ["powershell", "-Command", "$ErrorActionPreference = 'Stop'; $ProgressPreference = 'SilentlyContinue';"]
 
-ENV JAVA_VERSION jdk-11.0.24+8
+ENV JAVA_VERSION=jdk-11.0.24+8
 
 RUN Write-Host ('Downloading https://github.com/adoptium/temurin11-binaries/releases/download/jdk-11.0.24%2B8/OpenJDK11U-jdk_x64_windows_hotspot_11.0.24_8.msi ...'); \
     curl.exe -LfsSo openjdk.msi https://github.com/adoptium/temurin11-binaries/releases/download/jdk-11.0.24%2B8/OpenJDK11U-jdk_x64_windows_hotspot_11.0.24_8.msi ; \

11/jre/alpine/Dockerfile

@@ -19,8 +19,8 @@
 
 FROM alpine:3.20
 
-ENV JAVA_HOME /opt/java/openjdk
-ENV PATH $JAVA_HOME/bin:$PATH
+ENV JAVA_HOME=/opt/java/openjdk
+ENV PATH=$JAVA_HOME/bin:$PATH
 
 # Default to UTF-8 file.encoding
 ENV LANG='en_US.UTF-8' LANGUAGE='en_US:en' LC_ALL='en_US.UTF-8'
@@ -45,7 +45,7 @@ RUN set -eux; \
     ; \
     rm -rf /var/cache/apk/*
 
-ENV JAVA_VERSION jdk-11.0.24+8
+ENV JAVA_VERSION=jdk-11.0.24+8
 
 RUN set -eux; \
     ARCH="$(apk --print-arch)"; \

11/jre/ubi/ubi9-minimal/Dockerfile

@@ -19,8 +19,8 @@
 
 FROM redhat/ubi9-minimal
 
-ENV JAVA_HOME /opt/java/openjdk
-ENV PATH $JAVA_HOME/bin:$PATH
+ENV JAVA_HOME=/opt/java/openjdk
+ENV PATH=$JAVA_HOME/bin:$PATH
 
 # Default to UTF-8 file.encoding
 ENV LANG='en_US.UTF-8' LANGUAGE='en_US:en' LC_ALL='en_US.UTF-8'
@@ -44,7 +44,7 @@ RUN set -eux; \
     ; \
     microdnf clean all
 
-ENV JAVA_VERSION jdk-11.0.24+8
+ENV JAVA_VERSION=jdk-11.0.24+8
 
 RUN set -eux; \
     ARCH="$(rpm --query --queryformat='%{ARCH}' rpm)"; \

11/jre/ubuntu/focal/Dockerfile

@@ -19,8 +19,8 @@
 
 FROM ubuntu:20.04
 
-ENV JAVA_HOME /opt/java/openjdk
-ENV PATH $JAVA_HOME/bin:$PATH
+ENV JAVA_HOME=/opt/java/openjdk
+ENV PATH=$JAVA_HOME/bin:$PATH
 
 # Default to UTF-8 file.encoding
 ENV LANG='en_US.UTF-8' LANGUAGE='en_US:en' LC_ALL='en_US.UTF-8'
@@ -46,7 +46,7 @@ RUN set -eux; \
     locale-gen en_US.UTF-8; \
     rm -rf /var/lib/apt/lists/*
 
-ENV JAVA_VERSION jdk-11.0.24+8
+ENV JAVA_VERSION=jdk-11.0.24+8
 
 RUN set -eux; \
     ARCH="$(dpkg --print-architecture)"; \

11/jre/ubuntu/jammy/Dockerfile

@@ -19,8 +19,8 @@
 
 FROM ubuntu:22.04
 
-ENV JAVA_HOME /opt/java/openjdk
-ENV PATH $JAVA_HOME/bin:$PATH
+ENV JAVA_HOME=/opt/java/openjdk
+ENV PATH=$JAVA_HOME/bin:$PATH
 
 # Default to UTF-8 file.encoding
 ENV LANG='en_US.UTF-8' LANGUAGE='en_US:en' LC_ALL='en_US.UTF-8'
@@ -46,7 +46,7 @@ RUN set -eux; \
     locale-gen en_US.UTF-8; \
     rm -rf /var/lib/apt/lists/*
 
-ENV JAVA_VERSION jdk-11.0.24+8
+ENV JAVA_VERSION=jdk-11.0.24+8
 
 RUN set -eux; \
     ARCH="$(dpkg --print-architecture)"; \

11/jre/ubuntu/noble/Dockerfile

@@ -19,8 +19,8 @@
 
 FROM ubuntu:24.04
 
-ENV JAVA_HOME /opt/java/openjdk
-ENV PATH $JAVA_HOME/bin:$PATH
+ENV JAVA_HOME=/opt/java/openjdk
+ENV PATH=$JAVA_HOME/bin:$PATH
 
 # Default to UTF-8 file.encoding
 ENV LANG='en_US.UTF-8' LANGUAGE='en_US:en' LC_ALL='en_US.UTF-8'
@@ -46,7 +46,7 @@ RUN set -eux; \
     locale-gen en_US.UTF-8; \
     rm -rf /var/lib/apt/lists/*
 
-ENV JAVA_VERSION jdk-11.0.24+8
+ENV JAVA_VERSION=jdk-11.0.24+8
 
 RUN set -eux; \
     ARCH="$(dpkg --print-architecture)"; \

11/jre/windows/nanoserver-1809/Dockerfile

@@ -21,7 +21,7 @@ FROM mcr.microsoft.com/windows/nanoserver:1809
 
 SHELL ["cmd", "/s", "/c"]
 
-ENV JAVA_VERSION jdk-11.0.24+8
+ENV JAVA_VERSION=jdk-11.0.24+8
 
 ENV JAVA_HOME C:\\openjdk-11
 # "ERROR: Access to the registry path is denied."

11/jre/windows/nanoserver-ltsc2022/Dockerfile

@@ -21,7 +21,7 @@ FROM mcr.microsoft.com/windows/nanoserver:ltsc2022
 
 SHELL ["cmd", "/s", "/c"]
 
-ENV JAVA_VERSION jdk-11.0.24+8
+ENV JAVA_VERSION=jdk-11.0.24+8
 
 ENV JAVA_HOME C:\\openjdk-11
 # "ERROR: Access to the registry path is denied."

11/jre/windows/windowsservercore-1809/Dockerfile

@@ -22,7 +22,7 @@ FROM mcr.microsoft.com/windows/servercore:1809
 # $ProgressPreference: https://github.com/PowerShell/PowerShell/issues/2138#issuecomment-251261324
 SHELL ["powershell", "-Command", "$ErrorActionPreference = 'Stop'; $ProgressPreference = 'SilentlyContinue';"]
 
-ENV JAVA_VERSION jdk-11.0.24+8
+ENV JAVA_VERSION=jdk-11.0.24+8
 
 RUN Write-Host ('Downloading https://github.com/adoptium/temurin11-binaries/releases/download/jdk-11.0.24%2B8/OpenJDK11U-jre_x64_windows_hotspot_11.0.24_8.msi ...'); \
     curl.exe -LfsSo openjdk.msi https://github.com/adoptium/temurin11-binaries/releases/download/jdk-11.0.24%2B8/OpenJDK11U-jre_x64_windows_hotspot_11.0.24_8.msi ; \

11/jre/windows/windowsservercore-ltsc2022/Dockerfile

@@ -22,7 +22,7 @@ FROM mcr.microsoft.com/windows/servercore:ltsc2022
 # $ProgressPreference: https://github.com/PowerShell/PowerShell/issues/2138#issuecomment-251261324
 SHELL ["powershell", "-Command", "$ErrorActionPreference = 'Stop'; $ProgressPreference = 'SilentlyContinue';"]
 
-ENV JAVA_VERSION jdk-11.0.24+8
+ENV JAVA_VERSION=jdk-11.0.24+8
 
 RUN Write-Host ('Downloading https://github.com/adoptium/temurin11-binaries/releases/download/jdk-11.0.24%2B8/OpenJDK11U-jre_x64_windows_hotspot_11.0.24_8.msi ...'); \
     curl.exe -LfsSo openjdk.msi https://github.com/adoptium/temurin11-binaries/releases/download/jdk-11.0.24%2B8/OpenJDK11U-jre_x64_windows_hotspot_11.0.24_8.msi ; \

17/jdk/alpine/Dockerfile

@@ -19,8 +19,8 @@
 
 FROM alpine:3.20
 
-ENV JAVA_HOME /opt/java/openjdk
-ENV PATH $JAVA_HOME/bin:$PATH
+ENV JAVA_HOME=/opt/java/openjdk
+ENV PATH=$JAVA_HOME/bin:$PATH
 
 # Default to UTF-8 file.encoding
 ENV LANG='en_US.UTF-8' LANGUAGE='en_US:en' LC_ALL='en_US.UTF-8'
@@ -48,7 +48,7 @@ RUN set -eux; \
     ; \
     rm -rf /var/cache/apk/*
 
-ENV JAVA_VERSION jdk-17.0.12+7
+ENV JAVA_VERSION=jdk-17.0.12+7
 
 RUN set -eux; \
     ARCH="$(apk --print-arch)"; \

17/jdk/ubi/ubi9-minimal/Dockerfile

@@ -19,8 +19,8 @@
 
 FROM redhat/ubi9-minimal
 
-ENV JAVA_HOME /opt/java/openjdk
-ENV PATH $JAVA_HOME/bin:$PATH
+ENV JAVA_HOME=/opt/java/openjdk
+ENV PATH=$JAVA_HOME/bin:$PATH
 
 # Default to UTF-8 file.encoding
 ENV LANG='en_US.UTF-8' LANGUAGE='en_US:en' LC_ALL='en_US.UTF-8'
@@ -44,7 +44,7 @@ RUN set -eux; \
     ; \
     microdnf clean all
 
-ENV JAVA_VERSION jdk-17.0.12+7
+ENV JAVA_VERSION=jdk-17.0.12+7
 
 RUN set -eux; \
     ARCH="$(rpm --query --queryformat='%{ARCH}' rpm)"; \

17/jdk/ubuntu/focal/Dockerfile

@@ -19,8 +19,8 @@
 
 FROM ubuntu:20.04
 
-ENV JAVA_HOME /opt/java/openjdk
-ENV PATH $JAVA_HOME/bin:$PATH
+ENV JAVA_HOME=/opt/java/openjdk
+ENV PATH=$JAVA_HOME/bin:$PATH
 
 # Default to UTF-8 file.encoding
 ENV LANG='en_US.UTF-8' LANGUAGE='en_US:en' LC_ALL='en_US.UTF-8'
@@ -49,7 +49,7 @@ RUN set -eux; \
     locale-gen en_US.UTF-8; \
     rm -rf /var/lib/apt/lists/*
 
-ENV JAVA_VERSION jdk-17.0.12+7
+ENV JAVA_VERSION=jdk-17.0.12+7
 
 RUN set -eux; \
     ARCH="$(dpkg --print-architecture)"; \

17/jdk/ubuntu/jammy/Dockerfile

@@ -19,8 +19,8 @@
 
 FROM ubuntu:22.04
 
-ENV JAVA_HOME /opt/java/openjdk
-ENV PATH $JAVA_HOME/bin:$PATH
+ENV JAVA_HOME=/opt/java/openjdk
+ENV PATH=$JAVA_HOME/bin:$PATH
 
 # Default to UTF-8 file.encoding
 ENV LANG='en_US.UTF-8' LANGUAGE='en_US:en' LC_ALL='en_US.UTF-8'
@@ -49,7 +49,7 @@ RUN set -eux; \
     locale-gen en_US.UTF-8; \
     rm -rf /var/lib/apt/lists/*
 
-ENV JAVA_VERSION jdk-17.0.12+7
+ENV JAVA_VERSION=jdk-17.0.12+7
 
 RUN set -eux; \
     ARCH="$(dpkg --print-architecture)"; \

17/jdk/ubuntu/noble/Dockerfile

@@ -19,8 +19,8 @@
 
 FROM ubuntu:24.04
 
-ENV JAVA_HOME /opt/java/openjdk
-ENV PATH $JAVA_HOME/bin:$PATH
+ENV JAVA_HOME=/opt/java/openjdk
+ENV PATH=$JAVA_HOME/bin:$PATH
 
 # Default to UTF-8 file.encoding
 ENV LANG='en_US.UTF-8' LANGUAGE='en_US:en' LC_ALL='en_US.UTF-8'
@@ -49,7 +49,7 @@ RUN set -eux; \
     locale-gen en_US.UTF-8; \
     rm -rf /var/lib/apt/lists/*
 
-ENV JAVA_VERSION jdk-17.0.12+7
+ENV JAVA_VERSION=jdk-17.0.12+7
 
 RUN set -eux; \
     ARCH="$(dpkg --print-architecture)"; \

17/jdk/windows/nanoserver-1809/Dockerfile

@@ -21,7 +21,7 @@ FROM mcr.microsoft.com/windows/nanoserver:1809
 
 SHELL ["cmd", "/s", "/c"]
 
-ENV JAVA_VERSION jdk-17.0.12+7
+ENV JAVA_VERSION=jdk-17.0.12+7
 
 ENV JAVA_HOME C:\\openjdk-17
 # "ERROR: Access to the registry path is denied."

17/jdk/windows/nanoserver-ltsc2022/Dockerfile

@@ -21,7 +21,7 @@ FROM mcr.microsoft.com/windows/nanoserver:ltsc2022
 
 SHELL ["cmd", "/s", "/c"]
 
-ENV JAVA_VERSION jdk-17.0.12+7
+ENV JAVA_VERSION=jdk-17.0.12+7
 
 ENV JAVA_HOME C:\\openjdk-17
 # "ERROR: Access to the registry path is denied."

17/jdk/windows/windowsservercore-1809/Dockerfile

@@ -22,7 +22,7 @@ FROM mcr.microsoft.com/windows/servercore:1809
 # $ProgressPreference: https://github.com/PowerShell/PowerShell/issues/2138#issuecomment-251261324
 SHELL ["powershell", "-Command", "$ErrorActionPreference = 'Stop'; $ProgressPreference = 'SilentlyContinue';"]
 
-ENV JAVA_VERSION jdk-17.0.12+7
+ENV JAVA_VERSION=jdk-17.0.12+7
 
 RUN Write-Host ('Downloading https://github.com/adoptium/temurin17-binaries/releases/download/jdk-17.0.12%2B7/OpenJDK17U-jdk_x64_windows_hotspot_17.0.12_7.msi ...'); \
     curl.exe -LfsSo openjdk.msi https://github.com/adoptium/temurin17-binaries/releases/download/jdk-17.0.12%2B7/OpenJDK17U-jdk_x64_windows_hotspot_17.0.12_7.msi ; \