update all container tags with date and sha, upgrade all containers (#9834)

Signed-off-by: James Strong <strong.james.e@gmail.com>

images/nginx/Makefile

@@ -21,7 +21,7 @@ DIR:=$(strip $(shell dirname $(realpath $(lastword $(MAKEFILE_LIST)))))
 INIT_BUILDX=$(DIR)/../../hack/init-buildx.sh
 
 # 0.0.0 shouldn't clobber any released builds
-TAG ?= 0.0
+TAG ?=v$(shell date +%Y%m%d)-$(shell git rev-parse --short HEAD)
 REGISTRY ?= gcr.io/k8s-staging-ingress-nginx
 
 IMAGE = $(REGISTRY)/nginx

images/nginx/cloudbuild.yaml

@@ -9,7 +9,6 @@ steps:
     env:
       - DOCKER_CLI_EXPERIMENTAL=enabled
       - BASE_REF=$_PULL_BASE_REF
-      - TAG=$_PULL_BASE_SHA
       - REGISTRY=gcr.io/k8s-staging-ingress-nginx
       - HOME=/root
     args:

images/nginx/rootfs/Dockerfile

@@ -17,7 +17,7 @@ COPY . /
 
 RUN apk update \
   && apk upgrade \
-  && apk add -U bash \
+  && apk add -U bash --no-cache \
   && /build.sh
 
 # Use a multi-stage build