feat: added site-podman role

roles/any.software.site-podman/files/site.Caddyfile

@@ -0,0 +1,3 @@
+rustybever.be www.rustybever.be {
+    reverse_proxy 127.0.0.1:8021
+}

roles/any.software.site-podman/files/site.container

@@ -0,0 +1,16 @@
+# vim: ft=systemd
+[Unit]
+Description=The Rusty Bever backend
+
+[Container]
+Image=docker.io/chewingbever/site:latest
+EnvironmentFile=/etc/site/site.env
+
+PublishPort=127.0.0.1:8021:3000
+Volume=/mnt/data1/site/data:/data
+
+[Service]
+Restart=always
+
+[Install]
+WantedBy=default.target

roles/any.software.site-podman/files/site.data.backup.sh

@@ -0,0 +1,12 @@
+#!/usr/bin/env bash
+
+data_dir='/mnt/data1/site/data'
+snapshot_dir="${data_dir}.snapshot"
+
+# Read-only snapshot for atomic backup
+btrfs subvolume snapshot -r "$data_dir" "$snapshot_dir" || exit $?
+
+/usr/local/bin/restic backup "$snapshot_dir"
+
+# Always remove snapshot subvolume, even if restic fails
+btrfs subvolume delete "$snapshot_dir"