nifi-docker/dockermaven-stateless/Dockerfile

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

ARG UID=1000
ARG GID=1000
ARG NIFI_VERSION
ARG LIB_DIR
ARG WORKING_DIR

ENV NIFI_BASE_DIR /opt/nifi
ENV NIFI_HOME ${NIFI_BASE_DIR}/nifi-current

# Setup NiFi user
RUN addgroup -g ${GID} nifi && adduser -s /bin/sh -u ${UID} -G nifi -D nifi

RUN mkdir -p $NIFI_HOME && chown nifi:nifi $NIFI_HOME
RUN mkdir -p ${NIFI_HOME}/work/stateless-nars && chown nifi:nifi ${NIFI_HOME}/work/stateless-nars && chmod 777 ${NIFI_HOME}/work/stateless-nars

COPY --chown=nifi:nifi $WORKING_DIR ${NIFI_HOME}/work
COPY --chown=nifi:nifi $LIB_DIR ${NIFI_HOME}/lib/


#NiFi's HDFS processors require core-site.xml or hdfs-site.xml to exist on disk before they can be started...
RUN echo '<configuration> \n\
                <property> \n\
                    <name>fs.defaultFS</name> \n\
                    <value>hdfs://localhost:8020</value> \n\
                </property> \n\
                <property> \n\
                    <name>fs.hdfs.impl</name> \n\
                    <value>org.apache.hadoop.hdfs.DistributedFileSystem</value> \n\
                </property> \n\
            </configuration>' > /tmp/core-site.xml && chown nifi /tmp/core-site.xml && chmod 777 /tmp/core-site.xml

RUN mkdir -p /hadoop/yarn/local && chown nifi /hadoop/yarn/local && chmod 777 /hadoop/yarn/local

USER nifi

EXPOSE 8080

WORKDIR ${NIFI_HOME}

ENTRYPOINT ["/usr/bin/java", "-cp", "lib/bootstrap/*", "org.apache.nifi.bootstrap.RunStatelessNiFi"]
CMD ["RunOpenwhiskActionServer", "8080"]