From 48dbf6f3cf7a124f5975a15ea3a7e6ae663682fc Mon Sep 17 00:00:00 2001
From: Sebastiaan van Stijn <github@gone.nl>
Date: Thu, 22 Jul 2021 14:48:09 +0200
Subject: [PATCH] Update Dockerfiles to latest syntax, remove "experimental"

The experimental image is deprecated (now "labs"), and the features we use
are now included in the regular (stable) syntax.

Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
---
 Dockerfile                  | 2 +-
 dockerfiles/Dockerfile.dev  | 3 ++-
 dockerfiles/Dockerfile.lint | 2 +-
 3 files changed, 4 insertions(+), 3 deletions(-)

diff --git a/Dockerfile b/Dockerfile
index 3c15b560fe7e..1027df05c216 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-#syntax=docker/dockerfile:1.2
+# syntax=docker/dockerfile:1.3
 
 ARG BASE_VARIANT=alpine
 ARG GO_VERSION=1.13.15
diff --git a/dockerfiles/Dockerfile.dev b/dockerfiles/Dockerfile.dev
index ddd1b6b72be2..a82eb728367d 100644
--- a/dockerfiles/Dockerfile.dev
+++ b/dockerfiles/Dockerfile.dev
@@ -1,4 +1,5 @@
-# syntax=docker/dockerfile:1.1.7-experimental
+# syntax=docker/dockerfile:1.3
+
 ARG GO_VERSION=1.13.15
 
 FROM golang:${GO_VERSION}-alpine AS golang
diff --git a/dockerfiles/Dockerfile.lint b/dockerfiles/Dockerfile.lint
index 7b180f51e364..8c4923c1a383 100644
--- a/dockerfiles/Dockerfile.lint
+++ b/dockerfiles/Dockerfile.lint
@@ -1,4 +1,4 @@
-# syntax=docker/dockerfile:1.1.3-experimental
+# syntax=docker/dockerfile:1.3
 
 ARG GO_VERSION=1.13.15
 ARG GOLANGCI_LINTER_SHA="v1.21.0"