Use bootstrap script with Docker for extracting zkServer property

DeemOpen · May 18, 2016 · b8470e9 · b8470e9
1 parent 656c223
commit b8470e9
Show file tree

Hide file tree

Showing 2 changed files with 11 additions and 1 deletion.
diff --git a/docker/Dockerfile b/docker/Dockerfile
@@ -6,7 +6,8 @@ WORKDIR /var/app
 
 ADD zkui-*.jar /var/app/zkui.jar
 ADD config.cfg /var/app/config.cfg
+ADD bootstrap.sh /var/app/bootstrap.sh
 
-ENTRYPOINT [ "java", "-jar", "/var/app/zkui.jar" ]
+ENTRYPOINT ["/var/app/bootstrap.sh"]
 
 EXPOSE 9090
diff --git a/docker/bootstrap.sh b/docker/bootstrap.sh
@@ -0,0 +1,9 @@
+#!/bin/sh
+
+ZK_SERVER=${ZK_SERVER:-"localhost:2181"}
+
+sed -i "s/^zkServer=.*$/zkServer=$ZK_SERVER/" /var/app/config.cfg
+
+echo "Starting zkui with server $ZK_SERVER"
+
+exec java -jar /var/app/zkui.jar