Update docker/dockerfile Docker tag to v1.18 (#289)

renovate[bot] · web-flow · commit f2c1c540957e · 2025-09-04T07:26:17.000Z
| datasource | package           | from | to   |
| ---------- | ----------------- | ---- | ---- |
| docker     | docker/dockerfile | 1.17 | 1.18 |

Signed-off-by: renovate[bot] &lt;29139614+renovate[bot]@users.noreply.github.com&gt;
Co-authored-by: renovate[bot] &lt;29139614+renovate[bot]@users.noreply.github.com&gt;
diff --git a/Dockerfile b/Dockerfile
@@ -1,4 +1,4 @@
-# syntax=docker/dockerfile:1.17
+# syntax=docker/dockerfile:1.18
 FROM nginx:1.29.0 AS nginx
 
 FROM redhat/ubi9:9.6 AS rpm-build
diff --git a/Dockerfile.prebuilt b/Dockerfile.prebuilt
@@ -1,4 +1,4 @@
-# syntax=docker/dockerfile:1.17
+# syntax=docker/dockerfile:1.18
 FROM redhat/ubi9-minimal:9.6 AS final
 ARG NGINX
 ARG NJS

Original file line number	Diff line number	Diff line change
`@@ -1,4 +1,4 @@`
`1`		`-# syntax=docker/dockerfile:1.17`
	`1`	`+# syntax=docker/dockerfile:1.18`
`2`	`2`	`FROM nginx:1.29.0 AS nginx`
`3`	`3`
`4`	`4`	`FROM redhat/ubi9:9.6 AS rpm-build`