diff --git a/TODO.md b/TODO.md
index 7462f5bd..64021264 100644
--- a/TODO.md
+++ b/TODO.md
@@ -209,3 +209,4 @@ in another repo: event subscriber
 - [ ] tune database connection pool size. i think a single web3_proxy currently maxes out our server
 - [ ] subscribing to transactions should be configurable per server. listening to paid servers can get expensive
 - [ ] archive servers should be lowest priority
+- [ ] docker build context is really big. we must be including target or something