Update docker/dockerfile Docker tag to v1.18 (#256)

renovate[bot] · web-flow · commit fa6e049dd84b · 2025-09-24T15:21:04.000+01:00
| 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
 ARG BUILD_OS=alpine:3.22
 ARG OPENSSL_VERSION=3.1.2
 

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`	`ARG BUILD_OS=alpine:3.22`
`3`	`3`	`ARG OPENSSL_VERSION=3.1.2`
`4`	`4`