Add automatic restart of the services

close https://github.com/searxng/searxng-docker/pull/106

docker-compose.yaml

@@ -5,6 +5,7 @@ services:
     container_name: caddy
     image: docker.io/library/caddy:2-alpine
     network_mode: host
+    restart: unless-stopped
     volumes:
       - ./Caddyfile:/etc/caddy/Caddyfile:ro
       - caddy-data:/data:rw
@@ -26,6 +27,7 @@ services:
     container_name: redis
     image: cgr.dev/chainguard/valkey:latest
     command: --save 30 1 --loglevel warning
+    restart: unless-stopped
     networks:
       - searxng
     volumes:
@@ -45,6 +47,7 @@ services:
   searxng:
     container_name: searxng
     image: docker.io/searxng/searxng:latest
+    restart: unless-stopped
     networks:
       - searxng
     ports: