Update Dockerfile

Dockerfile

-FROM maven:3-jdk-8-alpine
-
+FROM openjdk:17-jdk-alpine
 WORKDIR /usr/src/app
-
 COPY . /usr/src/app
 RUN mvn package
 
-ENV PORT 5000
-EXPOSE $PORT
-CMD [ "sh", "-c", "mvn -Dserver.port=${PORT} spring-boot:run" ]
+COPY ./target/spring-0.0.1-SNAPSHOT.jar app.jar
+EXPOSE 8080
+ENTRYPOINT  java -jar app.jar