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 50b81cbb..4c1a9a66 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,5 @@
-FROM python:3.10.0-alpine3.15
+# FROM python:3.10.0-alpine3.15
+FROM python:3.5-alpine3.12
 
 WORKDIR /usr/src/app
 
@@ -7,12 +8,25 @@ 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 ./ .
+COPY entrypoint.sh /
+
+ENTRYPOINT ["/entrypoint.sh" ]
diff --git a/build-image.sh b/build-image.sh
new file mode 100755
index 00000000..64a67fd6
--- /dev/null
+++ b/build-image.sh
@@ -0,0 +1,23 @@
+#!/bin/sh
+
+if [ $# -lt 1 ]; then
+    echo "$0 imageversion [push]"
+    echo "Version could be: $(git describe --always)"
+    echo "If push is specified, also push to our harbor"
+    exit 1
+fi
+
+tagprefix=harbor.k8s.ungleich.ch/ungleich-public/dynamicweb
+version=$1; shift
+
+tag=${tagprefix}:${version}
+
+set -ex
+
+docker build -t "${tag}" .
+
+push=$1; shift
+
+if [ "$push" ]; then
+    docker push "${tag}"
+fi
diff --git a/dynamicweb/settings/base.py b/dynamicweb/settings/base.py
index f03042dc..b7705e17 100644
--- a/dynamicweb/settings/base.py
+++ b/dynamicweb/settings/base.py
@@ -777,3 +777,9 @@ if DEBUG:
     from .local import *  # flake8: noqa
 else:
     from .prod import *  # flake8: noqa
+
+# Try to load dynamic configuration, if it exists
+try:
+    from .dynamic import * # flake8: noqa
+except ImportError:
+    pass
diff --git a/entrypoint.sh b/entrypoint.sh
new file mode 100755
index 00000000..e207a457
--- /dev/null
+++ b/entrypoint.sh
@@ -0,0 +1,19 @@
+#!/bin/sh
+
+set -uex
+
+cd /usr/src/app/
+cat > dynamicweb/settings/dynamic.py <<EOF
+DATABASES = {
+    'default': {
+        'ENGINE': 'django.db.backends.postgresql_psycopg2',
+        'NAME': '${POSTGRES_DB}',
+        'USER': '${POSTGRES_USER}',
+        'PASSWORD': '${POSTGRES_PASSWORD}',
+        'HOST': '${POSTGRES_HOST}',
+        'PORT': '5432',
+    }
+}
+EOF
+
+exec "$@"
diff --git a/hosting/views.py b/hosting/views.py
index 3ac8c023..ce59b0d9 100644
--- a/hosting/views.py
+++ b/hosting/views.py
@@ -1544,7 +1544,12 @@ class VirtualMachinesPlanListView(LoginRequiredMixin, ListView):
     ordering = '-id'
 
     def get_queryset(self):
-        owner = self.request.user
+        username = self.request.GET.get('username')
+        if self.request.user.is_admin and username:
+            user = CustomUser.objects.get(username=username)
+        else:
+            user = self.request.user
+        owner = user
         manager = OpenNebulaManager(email=owner.username,
                                     password=owner.password)
         try:
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