Merge pull request #25456 from hashicorp/use-alpine-latest

use alpine:latest as the base image for terraform docker containers

scripts/docker-release/Dockerfile-release

@@ -7,7 +7,7 @@
 # tree, without any dependency on there being an existing release on
 # releases.hashicorp.com.
 
-FROM alpine:3.12 as build
+FROM alpine:latest as build
 LABEL maintainer="HashiCorp Terraform Team <terraform@hashicorp.com>"
 
 # This is intended to be run from the hooks/build script, which sets this
@@ -33,7 +33,7 @@ RUN apk add --no-cache git curl openssh gnupg && \
     unzip terraform_${TERRAFORM_VERSION}_linux_amd64.zip -d /bin && \
     rm -f terraform_${TERRAFORM_VERSION}_linux_amd64.zip terraform_${TERRAFORM_VERSION}_SHA256SUMS*
 
-FROM alpine:3.12 as final
+FROM alpine:latest as final
 ARG TERRAFORM_VERSION=UNSPECIFIED
 
 LABEL "com.hashicorp.terraform.version"="${TERRAFORM_VERSION}"