Helper to auto deploy from cron

scripts/pull-and-restart.sh

@@ -0,0 +1,17 @@
+#!/bin/sh
+
+#
+# Try to pull the most recent image, and restart docker compose if it has changes
+#
+if [ $# -ne 2 ]; then
+  echo "usage: pull-and-restart image compose.yaml" >&2
+  exit 64
+fi
+
+before="$(docker inspect --format='{{index .RepoDigests 0}}' $1)"
+docker pull docker inspect --format='{{index .RepoDigests 0}}'
+after="$(docker inspect --format='{{index .RepoDigests 0}}' $1)"
+
+if [ "$before" != "$after" ]; then
+  docker compose -f $2 up -d
+fi