FROM alpine

# Include dist
ADD dist/ /root/dist/

# Setup env and apt
RUN apk -U upgrade && \
    apk add bash \
            curl \
            git \
            libc6-compat \
            libzmq \
            openjdk8-jre \
            procps \
            wget && \

# Get and install packages
    git clone https://github.com/dtag-dev-sec/listbot /etc/listbot && \
    cd /root/dist/ && \
    mkdir -p /usr/share/logstash/ && \
    wget https://artifacts.elastic.co/downloads/logstash/logstash-5.6.8.tar.gz && \
    wget http://geolite.maxmind.com/download/geoip/database/GeoLite2-ASN.tar.gz && \
    tar xvfz logstash-5.6.8.tar.gz --strip-components=1 -C /usr/share/logstash/ && \
    /usr/share/logstash/bin/logstash-plugin install logstash-filter-translate && \
    /usr/share/logstash/bin/logstash-plugin install logstash-output-syslog && \
    tar xvfz GeoLite2-ASN.tar.gz --strip-components=1 -C /usr/share/logstash/vendor/bundle/jruby/1.9/gems/logstash-filter-geoip-4.3.1-java/vendor/ && \

# Add and move files
    cd /root/dist/ && \
    cp update.sh /usr/bin/ && \
    chmod u+x /usr/bin/update.sh && \
    mkdir -p /etc/logstash/conf.d && \
    cp logstash.conf /etc/logstash/conf.d/ && \
    cp elasticsearch-template-es5x.json /usr/share/logstash/vendor/bundle/jruby/1.9/gems/logstash-output-elasticsearch-7.4.2-java/lib/logstash/outputs/elasticsearch/ && \

# Setup user, groups and configs
    addgroup -g 2000 logstash && \
    adduser -S -H -s /bin/bash -u 2000 -D -g 2000 logstash && \
    chown -R logstash:logstash /usr/share/logstash && \
    chown -R logstash:logstash /etc/listbot && \
    chmod 755 /usr/bin/update.sh && \

# Clean up
    apk del --purge wget && \
    rm -rf /root/*

# Healthcheck
HEALTHCHECK --retries=10 CMD curl -s -XGET 'http://127.0.0.1:9600'

# Start logstash
USER logstash:logstash
CMD update.sh && /usr/share/logstash/bin/logstash -f /etc/logstash/conf.d/logstash.conf