diff --git a/docker/chatapi/arm-Dockerfile b/docker/chatapi/arm-Dockerfile
index 32931a0331..39068a7e9c 100644
--- a/docker/chatapi/arm-Dockerfile
+++ b/docker/chatapi/arm-Dockerfile
@@ -16,4 +16,6 @@ RUN npm install
 COPY ./chatapi/src ./src/
 COPY ./chatapi/tsconfig.json ./tsconfig.json
 
+EXPOSE 5000
+
 CMD ["npm", "run", "start"]