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# 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
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FROM openjdk:8-jre
LABEL maintainer="Apache NiFi <dev@nifi.apache.org>"
LABEL site="https://nifi.apache.org"

ARG UID=1000
ARG GID=1000
ARG NIFI_VERSION=1.5.0
ARG MIRROR=https://archive.apache.org/dist

ENV NIFI_BASE_DIR /opt/nifi 
ENV NIFI_HOME=${NIFI_BASE_DIR}/nifi-${NIFI_VERSION} \
    NIFI_BINARY_URL=/nifi/${NIFI_VERSION}/nifi-${NIFI_VERSION}-bin.tar.gz

ADD sh/ /opt/nifi/scripts/

# Setup NiFi user
RUN groupadd -g ${GID} nifi || groupmod -n nifi `getent group ${GID} | cut -d: -f1` \
    && useradd --shell /bin/bash -u ${UID} -g ${GID} -m nifi \
    && mkdir -p ${NIFI_HOME}/conf/templates \
    && chown -R nifi:nifi ${NIFI_BASE_DIR}

USER nifi

# Download, validate, and expand Apache NiFi binary.
RUN curl -fSL ${MIRROR}/${NIFI_BINARY_URL} -o ${NIFI_BASE_DIR}/nifi-${NIFI_VERSION}-bin.tar.gz \
    && echo "$(curl https://archive.apache.org/dist/${NIFI_BINARY_URL}.sha256) *${NIFI_BASE_DIR}/nifi-${NIFI_VERSION}-bin.tar.gz" | sha256sum -c - \
    && tar -xvzf ${NIFI_BASE_DIR}/nifi-${NIFI_VERSION}-bin.tar.gz -C ${NIFI_BASE_DIR} \
    && rm ${NIFI_BASE_DIR}/nifi-${NIFI_VERSION}-bin.tar.gz \
    && chown -R nifi:nifi ${NIFI_HOME}

# Web HTTP(s) & Socket Site-to-Site Ports
EXPOSE 8080 8443 10000

WORKDIR ${NIFI_HOME}

# Apply configuration and start NiFi
CMD ${NIFI_BASE_DIR}/scripts/start.sh