diff --git a/.dockerignore b/.dockerignore
index e69de29bb2d1d6434b8b29ae775ad8c2e48c5391..edfcb1d390b8fd6329ddaf9721b1b6b96aaff4f2 100644
--- a/.dockerignore
+++ b/.dockerignore
@@ -0,0 +1,3 @@
+img_cache
+index
+slides
\ No newline at end of file
diff --git a/Dockerfile b/Dockerfile
index 361a2d4636d2796a14431fa1bcf358d40a51e269..3b45dcd5241d297a73ef5f908540c245a6feae77 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -7,7 +7,7 @@ RUN rm /etc/ImageMagick-6/policy.xml
 COPY policy.xml /etc/ImageMagick-6/policy.xml
 # Remove imagemagick policy from /etc/ImageMagick-6/policy.xml if pdf2img needed
 
-RUN mkdir app
+RUN mkdir app && mkdir app/slides && mkdir app/index && mkdir app/img_cache
 COPY . app
 WORKDIR app
 #RUN mkdir slides && mkdir index && mkdir img_cache