zypper install \
libxslt-devel libxml2-devel freetype-devel libjpeg-devel zlib-devel \
libyaml-devel libffi-devel cairo-devel pango-devel \
gobject-introspection-devel libacl-devel python3-pip python3-virtualenv \
python3-devel git
zypper install tesseract-ocr tesseract-devel leptonica-devel
zypper install libldap2-devel libsasl2-devel
zypper install libxmlsec1-devel
# Web server option 1: NGINX and uWSGI
zypper install nginx uwsgi uwsgi-plugin-python3
# Web server option 2: Apache with ``mod_wsgi``
zypper install apache2 apache2-mod_wsgi
# Caching backend: Redis
zypper install redis-server
# Database server: PostgreSQL
zypper install postgresql postgresql-contrib
# SMTP server
zypper install postfix