diff --git a/scripts/backup_postgres.sh b/scripts/backup_postgres.sh
new file mode 100644
index 0000000..d3f2121
--- /dev/null
+++ b/scripts/backup_postgres.sh
@@ -0,0 +1,24 @@
+#!/bin/bash
+# Répertoire des backups
+BACKUP_DIR="/mnt/backup_syno/dumps/postgres/$(date +%F)"
+mkdir -p "$BACKUP_DIR"
+
+# ---- Paramètres PostgreSQL ----
+POSTGRES_CONTAINER="postgres"
+POSTGRES_USER="postgres_user"
+POSTGRES_PASSWORD="3rL2&dyZMd7%BY"
+
+export PGPASSWORD=$POSTGRES_PASSWORD
+
+# Liste les bases (en se connectant à 'postgres')
+DATABASES=$(docker exec -e PGPASSWORD=$POSTGRES_PASSWORD $POSTGRES_CONTAINER \
+    psql -U $POSTGRES_USER -d postgres -t -c "SELECT datname FROM pg_database WHERE datistemplate = false;")
+
+for DB in $DATABASES; do
+    DB=$(echo $DB | xargs) # supprime espaces éventuels
+    echo "Dump PostgreSQL: $DB"
+    docker exec -e PGPASSWORD=$POSTGRES_PASSWORD $POSTGRES_CONTAINER \
+        pg_dump -U $POSTGRES_USER -d $DB | gzip > "$BACKUP_DIR/${DB}_postgres_$(date +%F).sql.gz"
+done
+
+unset PGPASSWORD