diff --git a/Dockerfile b/Dockerfile
index a31ccf2b..14e01a7f 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -8,4 +8,6 @@ RUN --mount=type=bind,target=./package.json,src=./package.json \
 COPY ./src src/
 COPY ./example example/
 
+EXPOSE 8000
+
 CMD ["node", "example/server.js"]