Add build

Author: dongjoon-hyun

build-tools/docker/Dockerfile

@@ -22,7 +22,7 @@ COPY . .
 
 RUN --mount=type=cache,target=/home/gradle/.gradle/caches gradle --no-daemon clean build -x check
 
-FROM azul/zulu-openjdk:24-jre
+FROM azul/zulu-openjdk:21-jre
 
 ARG APP_VERSION=0.1.0-SNAPSHOT
 ARG SPARK_UID=185

build-tools/helm/spark-kubernetes-operator/values.yaml

@@ -43,8 +43,6 @@ operatorDeployment:
     operatorContainer:
       jvmArgs: "-Dfile.encoding=UTF8"
       env:
-        - name: "SPARK_USER"
-          value: "spark"
       envFrom:
       volumeMounts: { }
       resources: