fix: use specific ubuntu version.

SeUkKim · SeUkKim · commit 9d0ee2f37753 · 2025-02-11T15:47:29.000+09:00
diff --git a/dockerfiles/Dockerfile.informative b/dockerfiles/Dockerfile.informative
@@ -5,7 +5,7 @@ COPY ../informative-indexer /informative-indexer
 
 RUN go build -o /informative-indexer.bin .
 
-FROM ubuntu:latest
+FROM ubuntu:22.04
 
 ENV MOVEVM_VERSION=v0.6.1
 
