Merge pull request #192 from jmesnil/jdk_21

Switch latest tag to JDK 21 variant

.github/workflows/publish-release.yml

@@ -15,15 +15,15 @@ jobs:
   image:
     env:
       # Put the "latest" tag on this JDK version
-      JDK_VERSION_FOR_LATEST: 17
+      JDK_VERSION_FOR_LATEST: 21
     strategy:
       matrix:
         include:
           - jdk-version: 11
             dist: centos7
           - jdk-version: 17
             dist: centos7
-          - jdk-version: 20
+          - jdk-version: 21
             dist: ubi9-minimal
     environment: quay.io
     runs-on: ubuntu-latest

Dockerfile

@@ -1,11 +1,16 @@
 # By default, build on JDK 17 on CentOS 7.
-ARG jdk=17
+ARG jdk=21
 # Red Hat UBI 9 (ubi9-minimal) should be used on JDK 20 and later.
-ARG dist=centos7
+ARG dist=ubi9-minimal
 FROM eclipse-temurin:${jdk}-${dist}
 
 LABEL org.opencontainers.image.source=https://github.com/jboss-dockerfiles/wildfly org.opencontainers.image.title=wildfly org.opencontainers.imag.url=https://github.com/jboss-dockerfiles/wildfly org.opencontainers.image.vendor=WildFly
 
+# Starting on jdk 21 eclipse-temurin is based on ubi9-minimal version 9.3 
+#   that doesn't includes shadow-utils package that provides groupadd & useradd commands
+# Conditional RUN: IF no groupadd AND microdnf THEN: update, install shadow-utils, clean
+RUN if ! [ -x "$(command -v groupadd)" ] && [ -x "$(command -v microdnf)" ]; then microdnf update -y && microdnf install --best --nodocs -y shadow-utils && microdnf clean all; fi
+
 WORKDIR /opt/jboss
 
 RUN groupadd -r jboss -g 1000 && useradd -u 1000 -r -g jboss -m -d /opt/jboss -s /sbin/nologin -c "JBoss user" jboss && \