Update docker/dockerfile Docker tag to v1.19 (#223)

renovate[bot] · web-flow · commit 2852670846ea · 2025-11-02T01:44:42.000Z
| datasource | package           | from | to   |
| ---------- | ----------------- | ---- | ---- |
| docker     | docker/dockerfile | 1.18 | 1.19 |

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/grpc/Dockerfile b/grpc/Dockerfile
@@ -1,4 +1,4 @@
-# syntax=docker/dockerfile:1.18
+# syntax=docker/dockerfile:1.19
 FROM golang:1.25 AS builder
 
 # renovate: datasource=github-releases depName=grpc/grpc-go
diff --git a/nap-dos/Dockerfile b/nap-dos/Dockerfile
@@ -1,4 +1,4 @@
-# syntax=docker/dockerfile:1.18
+# syntax=docker/dockerfile:1.19
 FROM python:3.13-alpine
 
 COPY nap-dos/flaskserver.py .
diff --git a/tcp/Dockerfile b/tcp/Dockerfile
@@ -1,4 +1,4 @@
-# syntax=docker/dockerfile:1.18
+# syntax=docker/dockerfile:1.19
 FROM golang:1.25-alpine AS builder
 
 WORKDIR /go/src/github.com/nginx/kic-test-containers/
diff --git a/udp/Dockerfile b/udp/Dockerfile
@@ -1,4 +1,4 @@
-# syntax=docker/dockerfile:1.18
+# syntax=docker/dockerfile:1.19
 FROM golang:1.25-alpine AS builder
 
 WORKDIR /go/src/github.com/nginx/kic-test-containers/

Original file line number	Diff line number	Diff line change
`@@ -1,4 +1,4 @@`
`1`		`-# syntax=docker/dockerfile:1.18`
	`1`	`+# syntax=docker/dockerfile:1.19`
`2`	`2`	`FROM golang:1.25 AS builder`
`3`	`3`
`4`	`4`	`# renovate: datasource=github-releases depName=grpc/grpc-go`