diff --git a/.dockerignore b/.dockerignore
index a30fc96..e18d2af 100644
--- a/.dockerignore
+++ b/.dockerignore
@@ -1,7 +1,10 @@
 myenv
 env
+venv
+staticfiles
 db.sqlite3
 cover
+htmlcov
 media/uploads/*.rdf
 media/uploads/*.ttl
 .secret
diff --git a/Dockerfile b/Dockerfile
index 690e749..4424e9d 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,7 +1,7 @@
-FROM python:3.10
+FROM python:3.11-buster
 
 RUN apt-get update -y && apt-get upgrade -y
-RUN apt-get install nginx g++ gcc libmariadb-dev vim cron tzdata -y
+RUN apt-get install postgresql-common libpq-dev nginx g++ gcc vim cron tzdata -y
 RUN ln -sf /dev/stdout /var/log/nginx/access.log \
     && ln -sf /dev/stderr /var/log/nginx/error.log
 ENV TZ="Europe/Vienna"
@@ -11,6 +11,7 @@ COPY nginx.default /etc/nginx/sites-available/default
 RUN mkdir -p /opt/app
 COPY requirements.txt /opt/app/
 RUN pip install -U pip --no-cache-dir && pip install -r /opt/app/requirements.txt --no-cache-dir
+RUN pip install gunicorn
 COPY . /opt/app
 WORKDIR /opt/app
 RUN chown -R www-data:www-data /opt/app && chmod -R 755 /opt/app/media
diff --git a/pmb/settings.py b/pmb/settings.py
index 4316136..0fd4c13 100644
--- a/pmb/settings.py
+++ b/pmb/settings.py
@@ -14,6 +14,8 @@
 # SECURITY WARNING: don't run with debug turned on in production!
 if os.environ.get("DEBUG"):
     DEBUG = True
+else:
+    DEBUG = False
 
 ALLOWED_HOSTS = ["*"]
 
@@ -24,6 +26,7 @@
 # Application definition
 
 INSTALLED_APPS = [
+    "apis_override_select2js",
     "dal",
     "dal_select2",
     "django_extensions",
diff --git a/requirements.txt b/requirements.txt
index a58e0b0..3086f35 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,6 +3,7 @@ acdh_geonames_utils
 acdh-id-reconciler>=0.2,<1
 acdh-tei-pyutils>=0.34,<1
 acdh-wikidata-pyutils>=0.2.1,<1
+apis-override-select2js==0.1
 Django>4.1,<6
 django-admin-csvexport
 django-autocomplete-light