From c2a9671f668424775d590d8a6ef20dd434b4ab46 Mon Sep 17 00:00:00 2001
From: k8s-infra-cherrypick-robot
 <90416843+k8s-infra-cherrypick-robot@users.noreply.github.com>
Date: Sun, 30 Mar 2025 09:32:35 -0700
Subject: [PATCH] Images: Fix FromAsCasing. (#13125)

Co-authored-by: Marco Ebert <marco_ebert@icloud.com>
---
 images/custom-error-pages/rootfs/Dockerfile       | 2 +-
 images/ext-auth-example-authsvc/rootfs/Dockerfile | 2 +-
 images/fastcgi-helloserver/rootfs/Dockerfile      | 2 +-
 images/go-grpc-greeter-server/rootfs/Dockerfile   | 2 +-
 images/kube-webhook-certgen/rootfs/Dockerfile     | 2 +-
 rootfs/Dockerfile-chroot                          | 2 +-
 6 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/images/custom-error-pages/rootfs/Dockerfile b/images/custom-error-pages/rootfs/Dockerfile
index 478e4c22d..f789e7afc 100755
--- a/images/custom-error-pages/rootfs/Dockerfile
+++ b/images/custom-error-pages/rootfs/Dockerfile
@@ -14,7 +14,7 @@
 
 ARG GOLANG_VERSION
 
-FROM golang:${GOLANG_VERSION}-alpine3.21 as builder
+FROM golang:${GOLANG_VERSION}-alpine3.21 AS builder
 
 RUN apk update \
     && apk upgrade && apk add git
diff --git a/images/ext-auth-example-authsvc/rootfs/Dockerfile b/images/ext-auth-example-authsvc/rootfs/Dockerfile
index ca142e663..dced61d99 100644
--- a/images/ext-auth-example-authsvc/rootfs/Dockerfile
+++ b/images/ext-auth-example-authsvc/rootfs/Dockerfile
@@ -1,6 +1,6 @@
 ARG GOLANG_VERSION
 
-FROM golang:${GOLANG_VERSION}-alpine3.21 as builder
+FROM golang:${GOLANG_VERSION}-alpine3.21 AS builder
 RUN mkdir /authsvc
 WORKDIR /authsvc
 COPY . ./
diff --git a/images/fastcgi-helloserver/rootfs/Dockerfile b/images/fastcgi-helloserver/rootfs/Dockerfile
index 7d8e95c47..8f1e73248 100755
--- a/images/fastcgi-helloserver/rootfs/Dockerfile
+++ b/images/fastcgi-helloserver/rootfs/Dockerfile
@@ -13,7 +13,7 @@
 # limitations under the License.
 ARG GOLANG_VERSION
 
-FROM golang:${GOLANG_VERSION}-alpine3.21 as builder
+FROM golang:${GOLANG_VERSION}-alpine3.21 AS builder
 
 WORKDIR /go/src/k8s.io/ingress-nginx/images/fastcgi
 
diff --git a/images/go-grpc-greeter-server/rootfs/Dockerfile b/images/go-grpc-greeter-server/rootfs/Dockerfile
index 2cf64b73f..ac6465e7c 100644
--- a/images/go-grpc-greeter-server/rootfs/Dockerfile
+++ b/images/go-grpc-greeter-server/rootfs/Dockerfile
@@ -1,6 +1,6 @@
 ARG GOLANG_VERSION
 
-FROM golang:${GOLANG_VERSION}-alpine3.21 as build
+FROM golang:${GOLANG_VERSION}-alpine3.21 AS build
 
 WORKDIR /go/src/greeter-server
 
diff --git a/images/kube-webhook-certgen/rootfs/Dockerfile b/images/kube-webhook-certgen/rootfs/Dockerfile
index 2348db825..4a29df29a 100644
--- a/images/kube-webhook-certgen/rootfs/Dockerfile
+++ b/images/kube-webhook-certgen/rootfs/Dockerfile
@@ -14,7 +14,7 @@
 
 ARG GOLANG_VERSION
 
-FROM --platform=$BUILDPLATFORM golang:${GOLANG_VERSION} as builder
+FROM --platform=$BUILDPLATFORM golang:${GOLANG_VERSION} AS builder
 
 ARG BUILDPLATFORM
 ARG TARGETARCH
diff --git a/rootfs/Dockerfile-chroot b/rootfs/Dockerfile-chroot
index 481b311e2..08863610f 100644
--- a/rootfs/Dockerfile-chroot
+++ b/rootfs/Dockerfile-chroot
@@ -14,7 +14,7 @@
 
 ARG BASE_IMAGE
 
-FROM ${BASE_IMAGE} as chroot
+FROM ${BASE_IMAGE} AS chroot
 
 # This intermediary image will be used only to copy all the required files to the chroot
 # TODO: Simplify in a future to a single Dockerfile