added README

Containerfile

@@ -1,4 +1,4 @@
 
 FROM alpine:${alpine.version}
 
-RUN apk add openjdk11-jdk
+RUN apk add openjdk${java.majorVersion}-jdk

README.md

@@ -0,0 +1,25 @@
+# Alpine JDK Container Image
+
+This project handles the generation of Alpine Linux images with its APK `openjdk` package installed.
+
+## Tags
+
+| Tag                                   | Description |
+| ------------------------------------- | ----------- |
+| `{alpine.version}-{jdk.majorVersion}` | A concatenation of the Alpine Linux major/minor version and the OpenJDK version. |
+
+`{alpine.version}`
+: `{alpine.majorVersion}.{alpine.majorVersion}`
+
+Current tags: [Inteligr8 Container Repository](https://repos.inteligr8.com/nexus/service/rest/repository/browse/inteligr8-docker-public/v2/inteligr8/alpine-jdk/tags/)
+
+## Usage
+
+```sh
+podman container run -it --rm docker.inteligr8.com/inteligr8/alpine-jdk:3.23-25 sh
+```
+
+## References
+
+- [Alpine Docker Repository](https://hub.docker.com/_/alpine)
+- [Alpine Linux](https://alpinelinux.org/)

pom.xml

@@ -9,7 +9,7 @@
 
 	<properties>
 		<alpine.version>3.23</alpine.version>
-		<java.majorVersion>11</java.majorVersion>
+		<java.majorVersion>25</java.majorVersion>
 		<image.name>inteligr8/${project.artifactId}</image.name>
 		<image.tag>${project.version}</image.tag>
 		<registry>docker.inteligr8.com</registry>