diff --git a/Dockerfile b/Dockerfile
index 33ef2d95f..cdebe275d 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -57,5 +57,5 @@ RUN apt update && apt install -y \
 
 COPY --from=builder /ghostfolio/dist/apps /ghostfolio/apps
 WORKDIR /ghostfolio/apps/api
-EXPOSE 3333
+EXPOSE ${PORT:-3333}
 CMD [  "yarn", "start:prod" ]