diff --git a/contrib/installer/focal.sh b/contrib/installer/focal.sh
new file mode 100644
index 00000000..ea14c8d7
--- /dev/null
+++ b/contrib/installer/focal.sh
@@ -0,0 +1,176 @@
+#!/bin/bash
+
+set -o errexit
+set -o pipefail
+set -o nounset
+set -x
+
+PILER_HOSTNAME="${PILER_HOSTNAME:-archive.yourdomain.com}"
+MYSQL_ROOT_PASSWORD="${MYSQL_ROOT_PASSWORD:-abcde123}"
+MYSQL_PILER_PASSWORD="${MYSQL_PILER_PASSWORD:-piler123}"
+SERVER_ID="${SERVER_ID:-0}"
+USE_SMTP_GATEWAY="${USE_SMTP_GATEWAY:-0}"
+SPHINX_WORKER_LISTEN_ADDRESS="${SPHINX_WORKER_LISTEN_ADDRESS:-}"
+PHP_FPM_SOCKET="/var/run/php/php7.4-fpm.sock"
+
+MYSQL_HOSTNAME="localhost"
+MYSQL_DATABASE="piler"
+MYSQL_USERNAME="piler"
+
+SPHINX_TARGZ="sphinx-3.3.1-bin.tar.gz"
+DOWNLOAD_URL="https://download.mailpiler.com"
+PILER_DEB="piler_1.3.12-focal-a1b71bdd_amd64.deb"
+PILER_USER="piler"
+CONFIG_SITE_PHP="/etc/piler/config-site.php"
+
+export DEBIAN_FRONTEND=noninteractive
+
+install_prerequisites() {
+   apt-get update
+   apt-get -y --no-install-recommends install \
+      wget rsyslog openssl sysstat php7.4-cli php7.4-cgi php7.4-mysql php7.4-fpm php7.4-zip php7.4-ldap \
+      php7.4-gd php7.4-curl php7.4-xml ca-certificates zip catdoc unrtf poppler-utils nginx tnef libzip5 \
+      libtre5 libwrap0 cron libmariadb-dev python3 python3-mysqldb libmariadb-dev mariadb-client-core-10.3 \
+      mariadb-server-10.3
+
+   wget -q -O "/tmp/${SPHINX_TARGZ}" "${DOWNLOAD_URL}/generic-local/${SPHINX_TARGZ}"
+   tar -C / -zxvf "/tmp/${SPHINX_TARGZ}"
+}
+
+
+fix_mysql_settings() {
+   cat > /etc/mysql/mariadb.conf.d/99-piler.cnf << PILER_CNF
+[mysqld]
+
+innodb_buffer_pool_size=512M
+innodb_flush_log_at_trx_commit=1
+innodb_log_buffer_size=64M
+innodb_log_file_size=64M
+innodb_read_io_threads=4
+innodb_write_io_threads=4
+innodb_log_files_in_group=2
+
+innodb_file_per_table
+PILER_CNF
+}
+
+start_mysql() {
+   fix_mysql_settings
+
+   service mysql restart
+   mysqladmin -u root password "${MYSQL_ROOT_PASSWORD}"
+}
+
+
+install_piler() {
+   wget "${DOWNLOAD_URL}/piler/${PILER_DEB}"
+   dpkg -i "$PILER_DEB"
+   rm -f "$PILER_DEB"
+
+   crontab -u "$PILER_USER" /usr/share/piler/piler.cron
+
+   rm -f "$PILER_DEB" /etc/nginx/sites-enabled/default
+   ln -sf /etc/piler/piler-nginx.conf /etc/nginx/sites-enabled/piler.conf
+
+   touch /var/piler/.bash_history
+   chown "${PILER_USER}:${PILER_USER}" /var/piler/.bash_history
+}
+
+
+create_my_cnf() {
+   local user=$1
+   local password=$2
+   local my_cnf=$3
+
+   printf "[client]\\n\\nhost = %s\\nuser = %s\\npassword = %s\\n" "$MYSQL_HOSTNAME" "$user" "$password" > "$my_cnf"
+   printf "\\n\\n[mysqldump]\\n\\nhost = %s\\nuser = %s\\npassword = %s\\n" "$MYSQL_HOSTNAME" "$user" "$password" >> "$my_cnf"
+   chown $PILER_USER:$PILER_USER "$my_cnf"
+   chmod 600 "$my_cnf"
+}
+
+
+fix_config_site_php() {
+   sed -i -e "s%HOSTNAME%${PILER_HOSTNAME}%g" -e "s%MYSQL_PASSWORD%${MYSQL_PILER_PASSWORD}%g" "$CONFIG_SITE_PHP"
+
+   {
+      echo "\$config['SERVER_ID'] = $SERVER_ID;"
+      echo "\$config['USE_SMTP_GATEWAY'] = $USE_SMTP_GATEWAY;"
+      echo "\$config['SPHINX_VERSION'] = 331;"
+   } >> "$CONFIG_SITE_PHP"
+
+   if [[ "$SPHINX_WORKER_LISTEN_ADDRESS" ]]; then
+      echo "\$config['SPHINX_WORKER_LISTEN_ADDRESS'] = '$SPHINX_WORKER_LISTEN_ADDRESS';" >> "$CONFIG_SITE_PHP"
+   fi
+
+   echo "\$config['ARCHIVE_HOST'] = '$PILER_HOSTNAME';" >> "$CONFIG_SITE_PHP"
+}
+
+
+init_db() {
+   sed -e "s%MYSQL_HOSTNAME%$MYSQL_HOSTNAME%g" -e "s%MYSQL_DATABASE%$MYSQL_DATABASE%g" -e "s%MYSQL_USERNAME%$MYSQL_USERNAME%g" -e "s%MYSQL_PASSWORD%$MYSQL_PILER_PASSWORD%g" \
+      /usr/share/piler/db-mysql-root.sql.in | mysql --defaults-file=/etc/piler/.my.cnf-root -h $MYSQL_HOSTNAME
+   mysql --defaults-file=/etc/piler/.my.cnf -h $MYSQL_HOSTNAME $MYSQL_DATABASE < /usr/share/piler/db-mysql.sql
+}
+
+
+add_systemd_services() {
+   pushd /etc/systemd/system
+
+   ln -sf /usr/libexec/piler/piler.service .
+   ln -sf /usr/libexec/piler/piler-smtp.service .
+   ln -sf /usr/libexec/piler/pilersearch.service .
+
+   popd
+
+   systemctl daemon-reload
+
+   systemctl enable piler
+   systemctl enable piler-smtp
+   systemctl enable pilersearch
+}
+
+
+fix_configs() {
+   if [[ ! -f /etc/piler/piler-nginx.conf ]]; then
+      sed -e "s%PILER_HOST%$PILER_HOSTNAME%g" -e "s%PHP_FPM_SOCKET%$PHP_FPM_SOCKET%g" /etc/piler/piler-nginx.conf.dist > /etc/piler/piler-nginx.conf
+      nginx -t
+      nginx -s reload
+   fi
+
+   if [[ ! -f /etc/piler/piler.conf ]]; then
+      sed -e "s/verystrongpassword/$MYSQL_PILER_PASSWORD/g" -e "s/piler.yourdomain.com/$PILER_HOSTNAME/g" /etc/piler/piler.conf.dist > /etc/piler/piler.conf
+      chmod 600 /etc/piler/piler.conf
+      chown $PILER_USER:$PILER_USER /etc/piler/piler.conf
+   fi
+
+   sed -i -e "s/MYSQL_HOSTNAME/${MYSQL_HOSTNAME}/g" \
+          -e "s/MYSQL_DATABASE/${MYSQL_DATABASE}/g" \
+          -e "s/MYSQL_USERNAME/${MYSQL_USERNAME}/g" \
+          -e "s/MYSQL_PASSWORD/${MYSQL_PILER_PASSWORD}/g" \
+          /etc/piler/sphinx.conf
+}
+
+
+install_prerequisites
+
+start_mysql
+
+install_piler
+
+create_my_cnf "root" "${MYSQL_ROOT_PASSWORD}" /etc/piler/.my.cnf-root
+create_my_cnf "piler" "${MYSQL_PILER_PASSWORD}" /etc/piler/.my.cnf
+
+fix_config_site_php
+
+add_systemd_services
+
+fix_configs
+init_db
+
+su -c "indexer --all -c /etc/piler/sphinx.conf" $PILER_USER
+
+[[ ! -d /var/run/piler ]] || mkdir -p /var/run/piler
+
+systemctl start pilersearch
+systemctl start piler
+systemctl start piler-smtp