Use uppercase AS to fix FromAsCasing warning

fazlerabbi37 · ku1ik · commit e7a88ea21e43 · 2024-10-05T12:08:41.000+02:00
diff --git a/Dockerfile b/Dockerfile
@@ -1,4 +1,4 @@
-FROM rust:buster as builder
+FROM rust:buster AS builder
 
 COPY . /usr/src/
 
