Update docker/dockerfile Docker tag to v1.22

renovate[bot] · web-flow · commit 0a09b9174fdc · 2026-03-10T13:00:31.000Z
| datasource | package           | from | to   |
| ---------- | ----------------- | ---- | ---- |
| docker     | docker/dockerfile | 1.21 | 1.22 |


Signed-off-by: renovate[bot] &lt;29139614+renovate[bot]@users.noreply.github.com&gt;
diff --git a/build/Dockerfile b/build/Dockerfile
@@ -1,4 +1,4 @@
-# syntax=docker/dockerfile:1.21
+# syntax=docker/dockerfile:1.22
 ARG BUILD_OS=debian
 # renovate: datasource=docker depName=nginx/nginx
 ARG NGINX_OSS_VERSION=1.29.5
diff --git a/build/dependencies/Dockerfile.ubi8 b/build/dependencies/Dockerfile.ubi8
@@ -1,4 +1,4 @@
-# syntax=docker/dockerfile:1.21
+# syntax=docker/dockerfile:1.22
 FROM redhat/ubi8@sha256:87463a8cd4ea7b3e7d066f114b64a44782515031b221253d1357d27572b6d53e AS rpm-build
 RUN mkdir -p /rpms/ \
     && dnf install rpm-build gcc make cmake -y \
diff --git a/build/dependencies/Dockerfile.ubi9 b/build/dependencies/Dockerfile.ubi9
@@ -1,4 +1,4 @@
-# syntax=docker/dockerfile:1.21
+# syntax=docker/dockerfile:1.22
 FROM redhat/ubi9:9.7-1771346757@sha256:cecb1cde7bda7c8165ae27841c2335667f8a3665a349c0d051329c61660a496c AS rpm-build
 RUN mkdir -p /rpms/ \
     && dnf install rpm-build gcc make cmake -y \
diff --git a/tests/Dockerfile b/tests/Dockerfile
@@ -1,4 +1,4 @@
-# syntax=docker/dockerfile:1.21
+# syntax=docker/dockerfile:1.22
 FROM python:3.14-trixie@sha256:abc08a893f14b116d97079a69f1a8c0b5c33df65a7e5af8ff6356aa6d41d40aa
 
 

Original file line number	Diff line number	Diff line change
`@@ -1,4 +1,4 @@`
`1`		`-# syntax=docker/dockerfile:1.21`
	`1`	`+# syntax=docker/dockerfile:1.22`
`2`	`2`	`ARG BUILD_OS=debian`
`3`	`3`	`# renovate: datasource=docker depName=nginx/nginx`
`4`	`4`	`ARG NGINX_OSS_VERSION=1.29.5`