From 81870fae3759bfcdfce5d14acf10a5811c6cbf94 Mon Sep 17 00:00:00 2001
From: Ryan Williams <ryanwi@fastmail.com>
Date: Thu, 4 May 2023 14:01:39 -0700
Subject: [PATCH] Add ARG for RUBY_VERSION with default

---
 production.Dockerfile | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/production.Dockerfile b/production.Dockerfile
index 50c077f..64af6e6 100644
--- a/production.Dockerfile
+++ b/production.Dockerfile
@@ -1,6 +1,8 @@
 # syntax=docker/dockerfile:1
 
-FROM ruby:3.2.2-slim as base
+ARG RUBY_VERSION=3.2.2
+
+FROM ruby:${RUBY_VERSION}-slim
 
 WORKDIR /rails