Update config.yml

Author: lokst

.circleci/config.yml

@@ -5,7 +5,7 @@ jobs:
     working_directory: ~/circleci-demo-java-spring
 
     docker:
-      - image: circleci/openjdk:8-jdk-browsers
+      - image: circleci/openjdk:8-jdk-stretch
       - image: circleci/postgres:9.6.3-alpine
         environment:
           POSTGRES_USER: root
@@ -31,4 +31,4 @@ jobs:
           path: target/surefire-reports
 
       - store_artifacts:
-          path: target/demo-java-spring-0.0.1-SNAPSHOT.jar
+          path: target/demo-java-spring-0.0.1-SNAPSHOT.jar