feat: Add GraalVM 21

Author: PerfectSlayer

Dockerfile

@@ -17,6 +17,7 @@ COPY --from=ibm-semeru-runtimes:open-11-jdk-jammy /opt/java/openjdk /usr/lib/jvm
 COPY --from=ibm-semeru-runtimes:open-17-jdk-jammy /opt/java/openjdk /usr/lib/jvm/semeru17
 
 COPY --from=ghcr.io/graalvm/native-image-community:17-ol9 /usr/lib64/graalvm/graalvm-community-java17 /usr/lib/jvm/graalvm17
+COPY --from=ghcr.io/graalvm/native-image-community:21-ol9 /usr/lib64/graalvm/graalvm-community-java21 /usr/lib/jvm/graalvm21
 
 RUN sudo apt-get -y update && sudo apt-get -y install curl
 # See: https://gist.github.com/wavezhang/ba8425f24a968ec9b2a8619d7c2d86a6
@@ -126,6 +127,7 @@ COPY --from=all-jdk /usr/lib/jvm/semeru11 /usr/lib/jvm/semeru11
 COPY --from=all-jdk /usr/lib/jvm/semeru17 /usr/lib/jvm/semeru17
 COPY --from=all-jdk /usr/lib/jvm/ubuntu17 /usr/lib/jvm/ubuntu17
 COPY --from=all-jdk /usr/lib/jvm/graalvm17 /usr/lib/jvm/graalvm17
+COPY --from=all-jdk /usr/lib/jvm/graalvm21 /usr/lib/jvm/graalvm21
 
 ENV JAVA_7_HOME=/usr/lib/jvm/7
 
@@ -147,3 +149,4 @@ ENV JAVA_SEMERU17_HOME=/usr/lib/jvm/semeru17
 ENV JAVA_UBUNTU17_HOME=/usr/lib/jvm/ubuntu17
 
 ENV JAVA_GRAALVM17_HOME=/usr/lib/jvm/graalvm17
+ENV JAVA_GRAALVM21_HOME=/usr/lib/jvm/graalvm21

README.md

@@ -9,7 +9,7 @@ Pre-built images are available in [GitHub Container Registry](https://github.com
 
 Image variants are available on a per JDK basis:
 - The `base` variant, and its aliases `8`, `11`, `17` and `21`, contains the base Eclipse Temurin JDK 8, 11, 17 and 21 versions,
-- The `zulu8`, `zulu11`, `oracle8`, `ibm8`, `semeru8`, `semeru11`, `semeru17`, `graalvm11` and `graalvm17` variants all contain the base JDKs in addition to their specific JDK from their name,
+- The `zulu8`, `zulu11`, `oracle8`, `ibm8`, `semeru8`, `semeru11`, `semeru17`, `graalvm17` and `graalvm21` variants all contain the base JDKs in addition to their specific JDK from their name,
 - The `latest` variant contains the base JDKs and all the above specific JDKs.
 
 ## Development

build

@@ -16,6 +16,7 @@ readonly VARIANTS=(
     semeru17
     ubuntu17
     graalvm17
+    graalvm21
 )
 
 # Get a TAG_PREFIX for every built image. Resulting images will be tagged as