[GONRG-7391] Move image to non-root approach

devops/gc/deploy/templates/deployment.yaml

@@ -51,7 +51,7 @@ spec:
         {{- end }}
         securityContext:
           allowPrivilegeEscalation: false
-          runAsUser: 0
+          runAsNonRoot: true
         ports:
         - containerPort: 8080
         resources:

provider/storage-gc/cloudbuild/Dockerfile.cloudbuild

@@ -11,5 +11,11 @@ ENV PORT $PORT
 # Copy the jar to the production image from the builder stage.
 COPY provider/storage-${PROVIDER_NAME}/target/storage-${PROVIDER_NAME}-*-spring-boot.jar storage-${PROVIDER_NAME}.jar
 
+# Add a non-root user
+RUN groupadd -g 10001 -r nonroot \
+  && useradd -g 10001 -r -u 10001 nonroot
+# Run as non-root user
+USER 10001:10001
+
 # Run the web service on container startup.
 CMD java -Djava.security.egd=file:/dev/./urandom -Dserver.port=${PORT} -Dlog4j.formatMsgNoLookups=true -jar /app/storage-${PROVIDER_NAME}.jar