#
# Dockerfile for nifi-arm
#

FROM arm32v7/openjdk:8-jre
LABEL maintainer="EasyPi Software Foundation"
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

# Download scripts
RUN mkdir -p /opt/nifi/scripts/ \
    && cd /opt/nifi/scripts/ \
    && curl -fSL https://github.com/apache/nifi/archive/rel/nifi-${NIFI_VERSION}.tar.gz \
     | tar xz --strip 4 nifi-rel-nifi-${NIFI_VERSION}/nifi-docker/dockerhub/sh/

# 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} \
    && apt-get update \
    && apt-get install -y jq xmlstarlet

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