update Dockerfile to install Go version from .go-version file

GrantBirki · GrantBirki · commit 90a509b69a54 · 2025-07-03T09:30:10.000-07:00
diff --git a/Dockerfile b/Dockerfile
@@ -1,5 +1,8 @@
 FROM alpine:3.22.0@sha256:8a1f59ffb675680d47db6337b49d22281a139e9d709335b492be023728e11715
-RUN apk add --no-cache go
+
+COPY .go-version .go-version
+
+RUN apk add --no-cache go=$(cat .go-version)-r0
 
 COPY . .
 
