diff --git a/.dockerignore b/.dockerignore
index 6b8710a7..a715c9d7 100644
--- a/.dockerignore
+++ b/.dockerignore
@@ -1 +1,2 @@
 .git
+.env
diff --git a/Dockerfile b/Dockerfile
index d12c54ff..395ebcc9 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -8,12 +8,22 @@ RUN apk add --update --no-cache \
     build-base \
     openldap-dev \
     python3-dev \
-    libpq-dev \
+    postgresql-dev \
+    jpeg-dev \
+    libxml2-dev \
+    libxslt-dev \
+    libmemcached-dev \
+    zlib-dev \
     && rm -rf /var/cache/apk/*
 
+## For alpine 3.15 replace postgresql-dev with libpq-dev
+
 # FIX https://github.com/python-ldap/python-ldap/issues/432
 RUN echo 'INPUT ( libldap.so )' > /usr/lib/libldap_r.so
 
 COPY requirements.txt ./
-RUN pip install --no-cache-dir -r requirements.txt
+
+# Pillow seems to need LIBRARY_PATH set as follows:  (see: https://github.com/python-pillow/Pillow/issues/1763#issuecomment-222383534)
+RUN LIBRARY_PATH=/lib:/usr/lib /bin/sh -c "pip install --no-cache-dir -r requirements.txt"
+
 COPY ./ .
diff --git a/requirements.txt b/requirements.txt
index 8d04a189..73cdf987 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -25,7 +25,7 @@ django-compressor==2.0
 django-debug-toolbar==1.4
 python-dotenv==0.10.3
 django-extensions==1.6.7
-django-filer==2.1.2
+django-filer==1.2.0
 django-filter==0.13.0
 django-formtools==1.0
 django-guardian==1.4.4