Fix the docker build file (#130)

*Motivation*

Make sure the docker build can be run in the Jenkins CI environment
diff --git a/docker/Dockerfile b/docker/Dockerfile
index 4771b54..2a89cf5 100644
--- a/docker/Dockerfile
+++ b/docker/Dockerfile
@@ -43,7 +43,7 @@
 
 RUN apt-get install -y nodejs
 
-COPY build/libs/pulsar-manager.jar pulsar-manager.jar
+COPY build/libs/*.jar pulsar-manager.jar
 
 COPY docker/supervisord.conf /etc/
 
@@ -53,4 +53,4 @@
 
 COPY front-end/dist /usr/share/nginx/html/
 
-ENTRYPOINT [ "/pulsar-manager/entrypoint.sh" ]
\ No newline at end of file
+ENTRYPOINT [ "/pulsar-manager/entrypoint.sh" ]
diff --git a/docker/supervisord.conf b/docker/supervisord.conf
index 50cdc4c..2669f9d 100644
--- a/docker/supervisord.conf
+++ b/docker/supervisord.conf
@@ -10,4 +10,4 @@
 
 [program:pulsar-manager-backend]
 command = /usr/local/openjdk-8/bin/java -jar /pulsar-manager/pulsar-manager.jar  --redirect.host=%(ENV_REDIRECT_HOST)s --redirect.port=%(ENV_REDIRECT_PORT)s
-user = root 
\ No newline at end of file
+user = root