Add backup and restore scripts

docker-compose.yml

@@ -1,4 +1,16 @@
 services:
+  stalwart-data-init:
+    image: alpine:3.21
+    container_name: ${PROJECT_NAME:-eternitymail}-stalwart-data-init
+    restart: "no"
+
+    command: ["sh", "-c", "chown -R 2000:2000 /etc/stalwart /var/lib/stalwart /etc/stalwart/certs"]
+
+    volumes:
+      - stalwart-etc:/etc/stalwart
+      - stalwart-data:/var/lib/stalwart
+      - stalwart-certs:/etc/stalwart/certs
+
   stalwart:
     image: stalwartlabs/stalwart:v0.16@sha256:93c574e52249c1ebf90061da2c4c0756a7b72abfcc1fec34506a03c2e38b5977
     container_name: ${PROJECT_NAME:-eternitymail}-stalwart
@@ -16,6 +28,10 @@ services:
     environment:
       STALWART_RECOVERY_ADMIN: ${STALWART_RECOVERY_ADMIN}
 
+    depends_on:
+      stalwart-data-init:
+        condition: service_completed_successfully
+
     ports:
       - "${STALWART_SMTP_PORT:-25}:25/tcp"
       - "${STALWART_SUBMISSION_PORT:-587}:587/tcp"
@@ -23,9 +39,9 @@ services:
       - "${STALWART_ADMIN_BIND-127.0.0.1}:${STALWART_ADMIN_PORT:-8081}:8080/tcp"
 
     volumes:
-      - ${DATA_ROOT:-/opt/eternitymail}/stalwart/etc:/etc/stalwart
-      - ${DATA_ROOT:-/opt/eternitymail}/stalwart/data:/var/lib/stalwart
-      - ${DATA_ROOT:-/opt/eternitymail}/stalwart/certs:/etc/stalwart/certs:ro
+      - stalwart-etc:/etc/stalwart
+      - stalwart-data:/var/lib/stalwart
+      - stalwart-certs:/etc/stalwart/certs
 
     networks:
       eternitymail:
@@ -111,4 +127,13 @@ services:
 
 networks:
   eternitymail:
-    name: ${PROJECT_NAME:-eternitymail}
+    name: ${PROJECT_NAME:-eternitymail}
+
+
+volumes:
+  stalwart-etc:
+    name: ${PROJECT_NAME:-eternitymail}-stalwart-etc
+  stalwart-data:
+    name: ${PROJECT_NAME:-eternitymail}-stalwart-data
+  stalwart-certs:
+    name: ${PROJECT_NAME:-eternitymail}-stalwart-certs