chore(deps): update alpine docker tag to v3.22

renovate[bot] · web-flow · commit 4bbd5864901a · 2025-05-30T21:37:40.000Z
diff --git a/docker/Dockerfile b/docker/Dockerfile
@@ -13,7 +13,7 @@ COPY static/ static/
 
 RUN CGO_ENABLED=0 go build
 
-FROM alpine:3.21
+FROM alpine:3.22
 
 WORKDIR /app
 COPY --from=builder /app/dockdns /usr/bin/dockdns
