48 lines
1.6 KiB
Plaintext
48 lines
1.6 KiB
Plaintext
# Copyright 2020 Google, Inc. All rights reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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# Builds the static Go image to execute in a Kubernetes job
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FROM golang:1.20
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# This arg is passed by docker buildx & contains the target CPU architecture (e.g., amd64, arm64, etc.)
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ARG TARGETARCH
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WORKDIR /src
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COPY . .
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RUN \
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--mount=type=cache,target=/root/.cache/go-build \
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--mount=type=cache,target=/go/pkg \
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make GOARCH=$TARGETARCH
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# Generate latest ca-certificates
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FROM debian:bullseye-slim AS certs
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RUN apt update && apt install -y ca-certificates
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FROM scratch
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# Create kaniko directory with world write permission to allow non root run
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# use musl busybox since it's staticly compiled
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RUN --mount=from=busybox:musl,dst=/usr/ ["busybox", "sh", "-c", "mkdir -p /kaniko && chmod 777 /kaniko"]
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COPY --from=0 /src/out/executor /kaniko/executor
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COPY files/nsswitch.conf /etc/nsswitch.conf
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COPY --from=certs /etc/ssl/certs/ca-certificates.crt /kaniko/ssl/certs/
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ENV HOME /root
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ENV USER root
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ENV PATH /usr/local/bin:/kaniko
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ENV SSL_CERT_DIR=/kaniko/ssl/certs
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ENTRYPOINT ["/kaniko/executor"]
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