Created a docker file to offer JDK 21 on OL9 as well as the existing one on OL 8.

OracleJava/11/Dockerfile.8 → OracleJava/11/Dockerfile.ol8

@@ -19,7 +19,7 @@
 #      $ docker build -t oracle/jdk:11 .
 #
 # This command is already scripted in build.sh so you can alternatively run
-#		$ bash build.sh
+#		$ bash build.sh 8
 #
 # The builder image will be used to uncompress the tar.gz file with the Java Runtime.
 

OracleJava/11/build.sh

@@ -7,7 +7,7 @@
 if test "$1" = "8"
 then
 	echo "Building Oracle JDK 11 on Oracle Linux 8"
-	docker build --file Dockerfile.8 --tag oracle/jdk:11-ol8 .
+	docker build --file Dockerfile.ol8 --tag oracle/jdk:11-ol8 .
 else
 	echo "Building Oracle JDK 11 on Oracle Linux 7 slim"
 	docker build --tag oracle/jdk:11-ol7 .

OracleJava/21/Dockerfile.ol9

@@ -0,0 +1,88 @@
+# Copyright (c) 2022, 2024 Oracle and/or its affiliates.
+#
+# Licensed under the Universal Permissive License v 1.0 as shown at https://oss.oracle.com/licenses/upl.
+#
+# ORACLE DOCKERFILES PROJECT
+# --------------------------
+# This is the Dockerfile for Oracle JDK 21 on Oracle Linux 9
+#
+# REQUIRED FILES TO BUILD THIS IMAGE
+# ----------------------------------
+# This dockerfile will download a copy of JDK 21 from
+#	https://download.oracle.com/java/21/latest/jdk-21_linux-<ARCH>_bin.tar.gz  
+# 
+# It will use either x64 or aarch64 depending on the target platform
+#
+# HOW TO BUILD THIS IMAGE
+# -----------------------
+# Run:
+#      $ docker build -t oracle/jdk:21 .
+#
+# This command is already scripted in build.sh so you can alternatively run
+#		$ bash build.sh 9
+#
+# The builder image will be used to uncompress the tar.gz file with the Java Runtime.
+
+FROM oraclelinux:9 as builder
+
+LABEL maintainer="Aurelio Garcia-Ribeyro <[email protected]>"
+
+# Since the files are compressed as tar.gz first dnf install tar. gzip is already in oraclelinux:9
+RUN set -eux; \
+	dnf install -y tar; 
+
+# Default to UTF-8 file.encoding
+ENV LANG en_US.UTF-8
+
+# Environment variables for the builder image.
+# Required to validate that you are using the correct file
+
+ENV JAVA_URL=https://download.oracle.com/java/21/latest \
+	JAVA_HOME=/usr/java/jdk-21
+
+##
+SHELL ["/bin/bash", "-o", "pipefail", "-c"]
+RUN set -eux; \
+	ARCH="$(uname -m)" && \
+	# Java uses just x64 in the name of the tarball
+    if [ "$ARCH" = "x86_64" ]; \
+        then ARCH="x64"; \
+    fi && \
+    JAVA_PKG="$JAVA_URL"/jdk-21_linux-"${ARCH}"_bin.tar.gz ; \
+	JAVA_SHA256=$(curl "$JAVA_PKG".sha256) ; \ 
+	curl --output /tmp/jdk.tgz "$JAVA_PKG" && \
+	echo "$JAVA_SHA256" */tmp/jdk.tgz | sha256sum -c; \
+	mkdir -p "$JAVA_HOME"; \
+	tar --extract --file /tmp/jdk.tgz --directory "$JAVA_HOME" --strip-components 1
+
+## Get a fresh version of OL9 for the final image	
+FROM oraclelinux:9
+
+# Default to UTF-8 file.encoding
+ENV LANG en_US.UTF-8
+ENV	JAVA_HOME=/usr/java/jdk-21
+ENV	PATH $JAVA_HOME/bin:$PATH	
+
+# If you need the Java Version you can read it from the release file with 
+# JAVA_VERSION=$(sed -n '/^JAVA_VERSION="/{s///;s/"//;p;}' "$JAVA_HOME"/release);
+
+# Copy the uncompressed Java Runtime from the builder image
+COPY --from=builder $JAVA_HOME $JAVA_HOME
+
+RUN set -eux; \
+# Ensure we get the latest OL 9 updates available at build time
+	dnf -y update; \
+# JDK assumes freetype is available	
+	dnf install -y \
+		freetype fontconfig \
+	; \
+	rm -rf /var/cache/dnf; \
+	ln -sfT "$JAVA_HOME" /usr/java/default; \
+	ln -sfT "$JAVA_HOME" /usr/java/latest; \
+	for bin in "$JAVA_HOME/bin/"*; do \
+		base="$(basename "$bin")"; \
+		[ ! -e "/usr/bin/$base" ]; \
+		alternatives --install "/usr/bin/$base" "$base" "$bin" 20000; \
+	done;
+
+CMD ["jshell"]

OracleJava/21/build.sh

@@ -4,5 +4,12 @@
 #
 # Licensed under the Universal Permissive License v 1.0 as shown at https://oss.oracle.com/licenses/upl.
 
-echo "Building Oracle JDK 21 on Oracle Linux 8"
-docker build --file Dockerfile --tag oracle/jdk:21-ol8 .
+
+if test "$1" = "9"
+then
+	echo "Building Oracle JDK 21 on Oracle Linux 9"
+	docker build --file Dockerfile.ol9 --tag oracle/jdk:21-ol9 .
+else
+	echo "Building Oracle JDK 21 on Oracle Linux 8"
+	docker build --file Dockerfile --tag oracle/jdk:21-ol8 .
+fi

OracleJava/8/jdk/build.sh

@@ -7,7 +7,7 @@
 if test "$1" = "8"
 then
 	echo "Building Oracle JDK 8 on Oracle Linux 8"
-	docker build --file Dockerfile.8 --tag oracle/jdk:8-ol8 .
+	docker build --file Dockerfile.ol8 --tag oracle/jdk:8-ol8 .
 else
 	echo "Building Oracle JDK 8 on Oracle Linux 7 slim"
 	docker build --tag oracle/jdk:8-ol7 .

OracleJava/8/serverjre/Dockerfile.8 → OracleJava/8/serverjre/Dockerfile.ol8

@@ -46,7 +46,7 @@ RUN set -eux; \
 	mkdir -p "$JAVA_HOME"; \
 	tar --extract --file /tmp/jdk.tgz --directory "$JAVA_HOME" --strip-components 1;
 
-## Get a fresh version of SLIM for the final image
+## Get a fresh version of OL 8 for the final image
 
 FROM oraclelinux:8
 

OracleJava/8/serverjre/build.sh

@@ -7,7 +7,7 @@
 if test "$1" = "8"
 then
 	echo "Building Oracle Server JRE 8 on Oracle Linux 8"
-	docker build --file Dockerfile.8 --tag oracle/serverjre:8-ol8 .
+	docker build --file Dockerfile.ol8 --tag oracle/serverjre:8-ol8 .
 else
 	echo "Building Oracle Server JRE 8 on Oracle Linux 7 slim"
 	docker build --tag oracle/serverjre:8-ol7 .