From 08bdcc0c6bf90bc5540139e4237038ad50381944 Mon Sep 17 00:00:00 2001
From: Isaac Good <github@isaacgood.com>
Date: Thu, 7 May 2026 23:22:07 -0700
Subject: [PATCH] Pin the Docker image

Exercism's policy is to prefer pinned versions.
Using the same hash across all runners allows us to store and reuse the same image, rather than needing to store a per-runner base image. This helps cut down on storage costs.
---
 Dockerfile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Dockerfile b/Dockerfile
index 73c820b..61059ab 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM node:22-bookworm-slim AS runner
+FROM node:22-bookworm-slim@sha256:d415caac2f1f77b98caaf9415c5f807e14bc8d7bdea62561ea2fef4fbd08a73c AS runner
 # Node.js 22 (curently LTS)
 # Debian bookwork