Set BuildKit syntax

2023-03-24 11:50:11 -07:00
parent 57d8e2e151
commit 4891b3669a
2 changed files with 4 additions and 1 deletions
@@ -1,5 +1,6 @@
-FROM ruby:3.2.1-slim
+# syntax=docker/dockerfile:1

+FROM ruby:3.2.1-slim
 RUN apt-get update -qq && apt-get install -yq --no-install-recommends \
    build-essential \
    gnupg2 \