try

op-lisk-sepolia.before-stop

@@ -0,0 +1,10 @@
+#!/bin/bash
+
+BASEPATH="$(dirname "$0")"
+source $BASEPATH/.env
+
+echo "running in $BASEPATH"
+
+target_file="op-lisk-sepolia-node-$(date +'%Y-%m-%d-%H-%M-%S').peers"
+
+docker exec rpc-op-lisk-sepolia-1 curl -X POST -H "Content-Type: application/json" --data     '{"jsonrpc":"2.0","method":"opp2p_peers","params":[true],"id":1}'      http://localhost:8545 | jq '.result.peers[].addresses[]' > "/backup/$target_file"