Merge pull request #22 from stuartwdouglas/ubi-image

Use UBI base images for SpringBoot sample

Author: maysunfaisal

docker/Dockerfile

@@ -9,9 +9,7 @@
 #
 # docker run -i --rm -p 8081:8081 springboot/sample-demo
 ####
-FROM quay.io/devfile/maven:3.8.1-openjdk-17-slim
-
-WORKDIR /build
+FROM registry.access.redhat.com/ubi8/openjdk-17:1.14 AS builder
 
 # Build dependency offline to streamline build
 COPY pom.xml .
@@ -21,12 +19,12 @@ COPY src src
 RUN mvn package -Dmaven.test.skip=true 
 # compute the created jar name and put it in a known location to copy to the next layer.
 # If the user changes pom.xml to have a different version, or artifactId, this will find the jar 
-RUN grep version /build/target/maven-archiver/pom.properties | cut -d '=' -f2 >.env-version 
-RUN grep artifactId /build/target/maven-archiver/pom.properties | cut -d '=' -f2 >.env-id
-RUN mv /build/target/$(cat .env-id)-$(cat .env-version).jar /build/target/export-run-artifact.jar
-
-FROM openjdk:11-jdk
-COPY --from=0 /build/target/export-run-artifact.jar  /app/target/export-run-artifact.jar
+RUN grep version /home/jboss/target/maven-archiver/pom.properties | cut -d '=' -f2 >.env-version
+RUN grep artifactId /home/jboss/target/maven-archiver/pom.properties | cut -d '=' -f2 >.env-id
+RUN mv /home/jboss/target/$(cat .env-id)-$(cat .env-version).jar /home/jboss/target/export-run-artifact.jar
 
+FROM registry.access.redhat.com/ubi8/openjdk-17-runtime:1.15
+COPY --from=builder /home/jboss/target/export-run-artifact.jar  /deployments/export-run-artifact.jar
 EXPOSE 8081
-ENTRYPOINT [ "java", "-jar", "/app/target/export-run-artifact.jar", "--server.port=8081" ]
+ENTRYPOINT ["/opt/jboss/container/java/run/run-java.sh", "--server.port=8081"]
+