kaniko/deploy/Dockerfile_slim

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# Copyright 2020 Google, Inc. All rights reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
# Builds the static Go image to execute in a Kubernetes job
FROM golang:1.15 as build_env
ARG GOARCH=amd64
RUN echo $GOARCH > /goarch
#This arg is passed by docker buildx & contains the platform info in the form linux/amd64, linux/ppc64le etc.
ARG TARGETPLATFORM
#Capture ARCH has write to /goarch
RUN [ ! "x" = "x$TARGETPLATFORM" ] && `echo $TARGETPLATFORM | awk '{split($0,a,"/"); print a[2]}' > /goarch` || echo "$GOARCH"
RUN echo "I am runninng $TARGETPLATFORM with $(cat /goarch)"
WORKDIR /go/src/github.com/GoogleContainerTools/kaniko
COPY . .
RUN make GOARCH=$(cat /goarch)
# Generate latest ca-certificates
FROM debian:buster-slim AS certs
RUN \
apt update && \
apt install -y ca-certificates && \
cat /etc/ssl/certs/* > /ca-certificates.crt
FROM scratch
COPY --from=build_env /go/src/github.com/GoogleContainerTools/kaniko/out/executor /kaniko/executor
COPY files/nsswitch.conf /etc/nsswitch.conf
COPY --from=certs /ca-certificates.crt /kaniko/ssl/certs/
ENV HOME /root
ENV USER root
ENV PATH /usr/local/bin:/kaniko
ENV SSL_CERT_DIR=/kaniko/ssl/certs
ENTRYPOINT ["/kaniko/executor"]