diff --git a/Dockerfile b/Dockerfile
index 95faeea..6ec53e6 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -25,6 +25,7 @@ FROM alpine:latest
 
 RUN apk --no-cache add ca-certificates
 RUN mkdir -p /data
+RUN mkdir -p /scratch
 
 WORKDIR /root/
 
@@ -34,6 +35,7 @@ COPY --from=builder /app/static ./static
 COPY --from=builder /app/views ./views
 
 ENV DATA_DIR=/data
+ENV SCRATCH_DIR=/scratch
 
 EXPOSE 3000