chore(deps): update docker/dockerfile docker tag to v1.21

renovate[bot] · web-flow · commit 05a0c9fe175f · 2026-01-23T07:49:39.000Z
diff --git a/docker/Dockerfile b/docker/Dockerfile
@@ -1,4 +1,4 @@
-# syntax = docker/dockerfile:1.14@sha256:4c68376a702446fc3c79af22de146a148bc3367e73c25a5803d453b6b3f722fb
+# syntax = docker/dockerfile:1.21@sha256:27f9262d43452075f3c410287a2c43f5ef1bf7ec2bb06e8c9eeb1b8d453087bc
 
 FROM docker.io/ruby:3.4.2-slim@sha256:98e208daf93d40485edf2f5e1a1527202ae0824cdc1619b6659674a84aa197ba AS build
 

Original file line number	Diff line number	Diff line change
`@@ -1,4 +1,4 @@`
`1`		`-# syntax = docker/dockerfile:1.14@sha256:4c68376a702446fc3c79af22de146a148bc3367e73c25a5803d453b6b3f722fb`
	`1`	`+# syntax = docker/dockerfile:1.21@sha256:27f9262d43452075f3c410287a2c43f5ef1bf7ec2bb06e8c9eeb1b8d453087bc`
`2`	`2`
`3`	`3`	`FROM docker.io/ruby:3.4.2-slim@sha256:98e208daf93d40485edf2f5e1a1527202ae0824cdc1619b6659674a84aa197ba AS build`
`4`	`4`