add listmonk app

modules/apps/listmonk/lib/scripts/create-backup.sh

@@ -0,0 +1,12 @@
+#!/bin/bash
+set -euo pipefail
+
+source /opt/environment/.env
+
+TIMESTAMP=$(date +'%Y-%m-%d_%H%M%S')
+
+systemctl stop listmonk
+sudo -u $USERNAME pg_dump -Fc -U $DB_USER $DB_NAME > $SERVICE_BACKUPS_DIR/$SERVICE_BACKUPS_PREFIX-$TIMESTAMP.$SERVICE_BACKUPS_EXTENSION
+systemctl start listmonk
+
+ls -1dt $SERVICE_BACKUPS_DIR/$SERVICE_BACKUPS_PREFIX-*.$SERVICE_BACKUPS_EXTENSION | tail -n +5 | xargs -r rm -f

modules/apps/listmonk/lib/scripts/install-listmonk.sh

@@ -0,0 +1,53 @@
+#!/bin/bash
+
+#LISTMONK_BINARY=/usr/local/bin/listmonk
+#LISTMONK_VERSION=6.0.0
+#LISTMONK_CONFIG=/home/listmonk/config.toml
+#DB_USER
+#DB_PASS
+#DB_NAME
+set -euo pipefail
+
+source /opt/environment/.env
+
+# Listmonk binary
+if [ ! -f $LISTMONK_BINARY ]; then
+    wget -O /tmp/listmonk.tar.gz "https://github.com/knadh/listmonk/releases/download/v${LISTMONK_VERSION}/listmonk_${LISTMONK_VERSION}_linux_amd64.tar.gz"
+    mkdir /tmp/listmonk
+    tar -xzf /tmp/listmonk.tar.gz -C /tmp/listmonk
+    mv /tmp/listmonk/listmonk $LISTMONK_BINARY
+    chmod +x $LISTMONK_BINARY
+fi
+
+# Listmonk config
+
+cat > $LISTMONK_CONFIG <<EOF
+[app]
+address = "0.0.0.0:9000"
+
+[db]
+host = "localhost"
+port = 5432
+user = "$DB_USER"
+password = "$DB_PASS"
+database = "$DB_NAME"
+ssl_mode = "disable"
+max_open = 25
+max_idle = 25
+max_lifetime = "300s"
+EOF
+
+# Listmonk pgsql init db
+
+sudo -u postgres psql <<EOF
+CREATE ROLE $DB_USER WITH LOGIN PASSWORD '$DB_PASS';
+CREATE DATABASE $DB_NAME WITH OWNER $DB_USER TEMPLATE template0 ENCODING UTF8 LC_COLLATE 'en_US.UTF-8' LC_CTYPE 'en_US.UTF-8';
+EOF
+
+$LISTMONK_BINARY --install --config $LISTMONK_CONFIG --yes
+
+systemctl start restore-backup.service
+
+systemctl daemon-reload
+systemctl enable listmonk
+systemctl start listmonk

modules/apps/listmonk/lib/scripts/restore-backup.sh

@@ -0,0 +1,12 @@
+#!/bin/bash
+set -euo pipefail
+
+source /opt/environment/.env
+
+LATEST_BACKUP=$(ls -1 $SERVICE_BACKUPS_DIR/$SERVICE_BACKUPS_PREFIX-*.$SERVICE_BACKUPS_EXTENSION 2>/dev/null | sort | tail -n1)
+
+if [ -n "$LATEST_BACKUP" ] && [ -f "$LATEST_BACKUP" ]; then
+    systemctl stop listmonk
+    sudo -u $USERNAME pg_restore --clean --if-exists -U "$DB_USER" -d "$DB_NAME" $LATEST_BACKUP
+    systemctl start listmonk
+fi

modules/apps/listmonk/lib/services/create-backup.service

@@ -0,0 +1,9 @@
+[Unit]
+Description=Backup Service
+Wants=network.target 
+After=network.target postgresql.service
+
+[Service]
+Type=oneshot
+User=root
+ExecStart=/usr/local/bin/backup.sh

modules/apps/listmonk/lib/services/listmonk.service

@@ -0,0 +1,15 @@
+[Unit]
+Description=listmonk mailing list and newsletter manager (%I)
+ConditionPathExists=/home/listmonk/config.toml
+Wants=network.target
+After=postgresql.service
+
+[Service]
+Type=simple
+ExecStartPre=/usr/local/bin/listmonk --config /home/listmonk/config.toml --upgrade --yes
+ExecStart=/usr/local/bin/listmonk --config /home/listmonk/config.toml
+Restart=always
+RestartSec=30
+
+[Install]
+WantedBy=multi-user.target

modules/apps/listmonk/lib/services/restore-backup.service

@@ -0,0 +1,9 @@
+[Unit]
+Description=Restore latest backup
+After=network.target postgresql.service
+Requires=postgresql.service
+
+[Service]
+Type=oneshot
+User=root
+ExecStart=/usr/local/bin/restore-backup.sh