feat: add postgres backup option

Dockerfile

@@ -1,6 +1,6 @@
 FROM debian
 
-RUN apt-get update && DEBIAN_FRONTEND=noninteractive apt-get install -y wget lftp mariadb-client
+RUN apt-get update && DEBIAN_FRONTEND=noninteractive apt-get install -y wget lftp mariadb-client postgresql-client
 
 ARG CLIENT_VERSION
 

scripts/mysql_backup.sh

@@ -2,9 +2,9 @@
 
 BACKUP_DIR="/backup/database"
 
-echo "Starting to backup database"
+echo "Starting to backup mysql database"
 
 mkdir --parents $BACKUP_DIR
 mysqldump --single-transaction --host=$MYSQL_BACKUP_HOST --user=$MYSQL_BACKUP_USER --password=$MYSQL_BACKUP_PASSWORD $MYSQL_BACKUP_DATABASE > $BACKUP_DIR/$MYSQL_BACKUP_DATABASE.sqldump
 
-echo "Database backup finished"
+echo "Mysql database backup finished"

scripts/postgres_backup.sh

@@ -0,0 +1,10 @@
+#!/usr/bin/env bash
+
+BACKUP_DIR="/backup/database"
+
+echo "Starting to backup postgres database"
+
+mkdir --parents $BACKUP_DIR
+PGPASSWORD=$PG_PASSWORD pg_dump --host=$PG_HOST --username=$PG_USER $PG_DATABASE > $BACKUP_DIR/$PG_DATABASE.sqldump
+
+echo "Postgres database backup finished"

scripts/prefilebackup

@@ -7,3 +7,7 @@ fi
 if [[ -n "$DO_MYSQL_BACKUP" ]]; then
 	sh /usr/local/etc/urbackup/mysql_backup.sh
 fi
+
+if [[ -n "$DO_POSTGRES_BACKUP" ]]; then
+	sh /usr/local/etc/urbackup/postgres_backup.sh
+fi