Update java_home environment check

Author: s-garg

.devcontainer/Dockerfile

@@ -16,8 +16,17 @@ RUN curl -sSL https://services.gradle.org/distributions/gradle-8.4-bin.zip -o gr
     ln -s /opt/gradle/bin/gradle /usr/local/bin/gradle && \
     rm gradle.zip
 
-# Environment variables (auto-detect JAVA_HOME)
-ENV JAVA_HOME=/usr/lib/jvm/java-17-openjdk-arm64
+# Create a universal JAVA_HOME symlink
+RUN if [ -d /usr/lib/jvm/java-17-openjdk-amd64 ]; then \
+      ln -s /usr/lib/jvm/java-17-openjdk-amd64 /usr/lib/jvm/java-17-openjdk; \
+    elif [ -d /usr/lib/jvm/java-17-openjdk-arm64 ]; then \
+      ln -s /usr/lib/jvm/java-17-openjdk-arm64 /usr/lib/jvm/java-17-openjdk; \
+    else \
+      echo "No supported JDK installation found" && exit 1; \
+    fi
+
+# Set environment variables (arch-agnostic)
+ENV JAVA_HOME=/usr/lib/jvm/java-17-openjdk
 ENV PATH="${JAVA_HOME}/bin:${PATH}"
 
 # Create non-root user