Add steps to change ETHEREUM_REORG_THRESHOLD env in deployed stack (#517)

* Add steps to set environment variable in deployed stack

* Change ETHEREUM_REORG_THRESHOLD value to 3

app/data/compose/docker-compose-graph-node.yml

@@ -20,7 +20,7 @@ services:
       postgres_db: graph-node
       ethereum: ${NETWORK:-filecoin}:${ETH_RPC_ENDPOINT:-https://archive.lotus.vdb.to/rpc/v1}
       GRAPH_LOG: debug
-      ETHEREUM_REORG_THRESHOLD: 16
+      ETHEREUM_REORG_THRESHOLD: 3
     ports:
       - "8000"
       - "8001"