Dockerfile.scratch

# Copyright 2017 by the contributors.
#
# 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.

FROM alpine:latest
RUN adduser -D -u 10000 aws-iam-authenticator
RUN apk add --update ca-certificates
COPY aws-iam-authenticator /
RUN chown aws-iam-authenticator /aws-iam-authenticator

FROM scratch
COPY --from=0 /etc/passwd /etc/passwd
COPY --from=0 /etc/ssl/certs/ca-certificates.crt /etc/ssl/certs/
COPY --from=0 /aws-iam-authenticator /aws-iam-authenticator
USER aws-iam-authenticator
ENTRYPOINT ["/aws-iam-authenticator"]