Uncomment JAVA_OPTS and HEALTHCHECK in Dockerfile (#391)

* Uncomment JAVA_OPTS and HEALTHCHECK in Dockerfile

* Update healthcheck command to handle failure

Author: 023-dev

Dockerfile

@@ -12,9 +12,9 @@ RUN chown spring:spring app.jar
 USER spring:spring
 EXPOSE 8080
 
-# ENV JAVA_OPTS="-Xms512m -Xmx1024m -XX:+UseG1GC -XX:G1HeapRegionSize=16m -XX:+UseStringDeduplication"
-# HEALTHCHECK --interval=30s --timeout=10s --start-period=40s --retries=3 \
-#    CMD curl -f http://localhost:8080/health || exit 1
+ENV JAVA_OPTS="-Xms512m -Xmx1024m -XX:+UseG1GC -XX:G1HeapRegionSize=16m -XX:+UseStringDeduplication"
+HEALTHCHECK --interval=30s --timeout=10s --start-period=40s --retries=3 \
+   CMD curl -f http://localhost:8080/health || exit 1
 
 
 ENTRYPOINT ["sh", "-c", "exec java $JAVA_OPTS -Dspring.profiles.active=prod -Duser.timezone=Asia/Seoul -jar app.jar"]