Docker: migrate from bind mounts to named volumes

docker/freshrss/docker-compose.toml

@@ -1,13 +1,13 @@
+[volumes]
+config = {}
+
 [services.freshrss]
 image = "linuxserver/freshrss"
 container_name = "freshrss"
 restart = "unless-stopped"
 networks = ["freshrss", "postgres", "proxy"]
 environment = ["PUID=1000", "PGID=985", "TZ=Europe/Helsinki"]
-volumes = [
-  "/docker/freshrss/freshrss:/config",
-  "/etc/localtime:/etc/localtime:ro",
-]
+volumes = ["config:/config", "/etc/localtime:/etc/localtime:ro"]
 
 [networks.freshrss]
 external = false