otter: local-only config

roles/otter/files/compose.yml

@@ -0,0 +1,10 @@
+services:
+  app:
+    image: 'git.rustybever.be/chewing_bever/otter:latest'
+
+    environment:
+      - 'RUST_LOG=debug'
+    ports:
+      - '8017:8080'
+    volumes:
+      - '/mnt/data1/otter/data:/data'

roles/otter/files/otter.data.backup.sh

@@ -0,0 +1,12 @@
+#!/usr/bin/env bash
+
+data_dir='/mnt/data1/otter/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"

roles/otter/files/otter.service

@@ -0,0 +1,13 @@
+[Unit]
+Description=Gpodder.net API implementation
+After=docker.service
+Requires=docker.service
+
+[Service]
+Type=exec
+WorkingDirectory=/etc/otter
+ExecStart=/usr/bin/docker compose up
+ExecStop=/usr/bin/docker compose down
+
+[Install]
+WantedBy=multi-user.target