diff --git a/Dockerfile b/Dockerfile
index 25df6a0..bb9bc33 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -8,4 +8,6 @@ RUN npm ci --omit=dev
 COPY main.ts ./
 COPY src/ ./src/
 
+EXPOSE 3000
+
 CMD ["node", "main.ts"]