/
Dockerfile
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/
Dockerfile
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# syntax=docker/dockerfile:1
# Copyright 2022 Docker Packaging authors
#
# 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.
ARG LICENSE_TYPE="apache"
ARG LICENSE_COPYRIGHT_HOLDER="Docker Packaging authors"
ARG LICENSE_FILES=".*\(Dockerfile\|\.go\|\.hcl\|\.mk\|\.sh\)"
FROM ghcr.io/google/addlicense:v1.0.0 AS addlicense
FROM alpine:3.16 AS base
WORKDIR /src
RUN apk add --no-cache cpio findutils git
FROM base AS license-set
ARG LICENSE_TYPE
ARG LICENSE_COPYRIGHT_HOLDER
ARG LICENSE_FILES
RUN --mount=type=bind,target=.,rw \
--mount=from=addlicense,source=/app/addlicense,target=/usr/bin/addlicense \
find . -regex "${LICENSE_FILES}" | xargs addlicense -v -c "${LICENSE_COPYRIGHT_HOLDER}" -l "${LICENSE_TYPE}" \
&& mkdir /out \
&& find . -regex "${LICENSE_FILES}" | cpio -pdm /out
FROM scratch AS license-update
COPY --from=license-set /out /
FROM base AS license-validate
ARG LICENSE_TYPE
ARG LICENSE_COPYRIGHT_HOLDER
ARG LICENSE_FILES
RUN --mount=type=bind,target=. \
--mount=from=addlicense,source=/app/addlicense,target=/usr/bin/addlicense \
find . -regex "${LICENSE_FILES}" | xargs addlicense -v -check -c "${LICENSE_COPYRIGHT_HOLDER}" -l "${LICENSE_TYPE}"