docker-compose.yml

version: '2'

services:
    server:
        # build will build the image from the dockerfile
        # found at the specified path. Which will be in
        # the same directory.
        build: ./
        # tags our built image
        image: server:logging
        # the command executes main binary on container start up
        # this starts our go server.
        command: sh -c '/main'
        ports:
            - 8080:8080
        environment:
            - 'LOGSTASH=logstash:5000'
        links:
            - logstash
    elasticsearch:
        # pull image from docker hub
        image: elasticsearch:2.4.2
        ports:
            - 9200:9200
            - 9300:9300
        environment:
            # set heap memory
            ES_JAVA_OPTS: '-Xms1g -Xmx1g'
    kibana:
        # pull image from docker hub
        image: kibana:4.6.3
        ports:
            - 5601:5601
        environment:
            - ELASTICSEARCH_URL=http://elasticsearch:9200
        links:
            - elasticsearch
    logstash:
        # pull image from docker hub
        image: logstash:5.5.2
        # specify the configuration file
        command: -f /etc/logstash/conf.d/logstash.conf
        ports:
            - 5000:5000
        volumes:
            # mount local conf file onto container
            - ./logstash.conf:/etc/logstash/conf.d/logstash.conf
        links:
            - elasticsearch