diff --git a/Dockerfile b/Dockerfile
index 5a90293..45648f7 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,6 +1,7 @@
 FROM openjdk:10
 
 COPY target/docker/tileserver.jar /
+EXPOSE 8080
 
 CMD ["java", "-jar", "/tileserver.jar"]