Merge pull request #340 from DigitalSlideArchive/docker-update

Update the docker file based on a docker build recommendation

.dockerignore

@@ -14,4 +14,7 @@ devops/dsa/assetstore
 devops/dsa/db
 devops/dsa/logs
 devops/singularity-minimal
+docs/.bundle
+docs/_site
+docs/vendor
 !**/.gitignore

Dockerfile

@@ -1,7 +1,7 @@
 FROM girder/tox-and-node
 LABEL maintainer="Kitware, Inc. <[email protected]>"
 
-ENV LANG en_US.UTF-8
+ENV LANG=en_US.UTF-8
 
 # Install some additional packages
 RUN apt-get update && \
@@ -85,7 +85,7 @@ RUN cd /opt && \
     cd /opt/large_image && \
     pip install --no-cache-dir --find-links https://girder.github.io/large_image_wheels -e .[memcached] -rrequirements-dev.txt && \
     # Reduice docker size by de-duplicating some libraries that get installed \
-    rdfind -minsize 1048576 -makehardlinks true -makeresultsfile false /opt/venv
+    rdfind -minsize 32768 -makehardlinks true -makeresultsfile false /opt/venv
 
 RUN cd /opt && \
     git clone https://github.com/DigitalSlideArchive/HistomicsUI && \