Add Temurin 23 Images

.github/workflows/temurin-23.yml

@@ -0,0 +1,28 @@
+name: Temurin 23
+
+on:
+  workflow_dispatch:
+  schedule:
+    - cron: '21 21 * * *'
+  push:
+    branches:
+      - 'main'
+
+jobs:
+  build-and-push-jre:
+    uses: ./.github/workflows/workflow-docker-build.yml
+    with:
+      jvm-type: jre
+      docker-context: temurin/23
+    permissions:
+      contents: read
+      packages: write
+
+  build-and-push-jdk:
+    uses: ./.github/workflows/workflow-docker-build.yml
+    with:
+      jvm-type: jdk
+      docker-context: temurin/23
+    permissions:
+      contents: read
+      packages: write

README.md

@@ -69,6 +69,11 @@ COPY --chown=formcentric:formcentric my-application.jar /formcentric/app.jar
 Formcentric base images build upon the official [Adoptium](https://adoptium.net) images of the Eclipse Temurin
 distribution (OpenJDK) and come in the following flavors:
 
+### Java 23 (Until 18 Mar 2025)
+
+- `ghcr.io/formcentric/java-base:23-jre`
+- `ghcr.io/formcentric/java-base:23-jdk`
+
 ### Java 21
 
 - `ghcr.io/formcentric/java-base:21-jre`

temurin/23/.env

@@ -0,0 +1 @@
+JAVA_VERSION=23_37

temurin/23/Dockerfile

@@ -0,0 +1,30 @@
+ARG JVM_TYPE=jre
+ARG JAVA_VERSION=23_37
+ARG TEMURIN_VERSION=${JAVA_VERSION}-${JVM_TYPE}-noble
+FROM eclipse-temurin:${TEMURIN_VERSION}
+
+RUN userdel -r ubuntu
+
+RUN apt-get update && \
+    apt-get upgrade -y && \
+    apt-get install -y --no-install-recommends \
+        ca-certificates \
+        curl \
+        wget \
+        coreutils \
+        fontconfig \
+        fonts-dejavu && \
+    apt-get clean && rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/* && \
+    groupadd -g 1000 formcentric && \
+    useradd -u 1000 -d /formcentric -g formcentric formcentric
+
+USER formcentric:formcentric
+
+WORKDIR /formcentric
+
+COPY --chown=formcentric:formcentric run.sh .
+RUN chmod +x run.sh
+
+COPY --chown=formcentric:formcentric app.jar app.jar
+
+ENTRYPOINT ["./run.sh"]

temurin/23/run.sh

@@ -0,0 +1,19 @@
+#!/bin/sh
+set -e
+
+if [ -n "${EXTRA_JAVA_OPTS}" ]; then
+  JAVA_OPTS="$JAVA_OPTS $EXTRA_JAVA_OPTS"
+fi
+
+JAVA_CMD_ARGS="-XX:-UsePerfData \
+               ${JAVA_OPTS} \
+               -XX:+UseContainerSupport \
+               -Djava.security.egd=file:/dev/./urandom"
+
+if [ -f jib-classpath-file -a -f jib-main-class-file ]; then
+  exec java $JAVA_CMD_ARGS -cp @jib-classpath-file @jib-main-class-file ${@}
+elif [ -f BOOT-INF/layers.idx ]; then
+  exec java $JAVA_CMD_ARGS ${SPRING_BOOT_EXPLODED_MAINCLASS:-org.springframework.boot.loader.launch.JarLauncher} ${@}
+else
+  exec java $JAVA_CMD_ARGS -jar app.jar ${@}
+fi