# Licensed to the Apache Software Foundation (ASF) under one or more
# contributor license agreements.  See the NOTICE file distributed with
# this work for additional information regarding copyright ownership.
# The ASF licenses this file to You 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:3.12.1 AS builder

RUN apk add --no-cache bash gettext nmap-ncat openssl busybox-extras

ARG version

# SWCK version
ENV SWCK_VERSION ${version}

# SWCK home
ENV SWCK_HOME  /swck

WORKDIR  ${SWCK_HOME}

# Setup
RUN set -eux; \
    apk add --virtual .build-deps curl gnupg unzip

# Download 
RUN set -eux; \
    curl https://archive.apache.org/dist/skywalking/swck/${SWCK_VERSION}/skywalking-swck-${SWCK_VERSION}-bin.tgz -o swck.tgz; \
    curl https://archive.apache.org/dist/skywalking/swck/${SWCK_VERSION}/skywalking-swck-${SWCK_VERSION}-bin.tgz.asc -o swck.tgz.asc; \
	curl https://downloads.apache.org/skywalking/KEYS -o KEYS

# Install
RUN set -eux; \
	gpg --import KEYS; \
    gpg --batch --verify swck.tgz.asc swck.tgz; \
    tar -xvf swck.tgz --strip-components=1; \
	rm swck.tgz ; \
    rm swck.tgz.asc KEYS; \
	apk del .build-deps ; \
    rm -rf /var/cache/apk/* ; \
    rm -rf /tmp/*

FROM gcr.io/distroless/static:nonroot
WORKDIR /
COPY --from=builder --chown=65532:65532 /swck/bin/manager-linux-amd64 /manager
COPY --from=builder --chown=65532:65532 /swck/bin/adapter-linux-amd64 /adapter
USER 65532:65532

ENTRYPOINT ["/manager"]