docker-compose.yml

version: "2.2"

services:
  backend_setup:
    container_name: backend_setup
    image: docker.elastic.co/elasticsearch/elasticsearch:${STACK_VERSION}
    volumes:
      - certs:/usr/share/elasticsearch/config/certs
    networks:
      - terrasearch-net
    user: "0"
    command: >
      bash -c '
        if [ x${ELASTIC_PASSWORD} == x ]; then
          echo "Set the ELASTIC_PASSWORD environment variable in the .env file";
          exit 1;
        elif [ x${KIBANA_PASSWORD} == x ]; then
          echo "Set the KIBANA_PASSWORD environment variable in the .env file";
          exit 1;
        fi;
        if [ ! -f config/certs/ca.zip ]; then
          echo "Creating CA";
          bin/elasticsearch-certutil ca --silent --pem -out config/certs/ca.zip;
          unzip config/certs/ca.zip -d config/certs;
        fi;
        if [ ! -f config/certs/certs.zip ]; then
          echo "Creating certs";
          echo -ne \
          "instances:\n"\
          "  - name: es\n"\
          "    dns:\n"\
          "      - es\n"\
          "      - localhost\n"\
          "      - terrasearch-db\n"\
          "    ip:\n"\
          "      - 127.0.0.1\n"\
          > config/certs/instances.yml;
          bin/elasticsearch-certutil cert --silent --pem -out config/certs/certs.zip --in config/certs/instances.yml --ca-cert config/certs/ca/ca.crt --ca-key config/certs/ca/ca.key;
          unzip config/certs/certs.zip -d config/certs;
        fi;
        echo "Setting file permissions"
        chown -R root:root config/certs;
        find . -type d -exec chmod 750 \{\} \;;
        find . -type f -exec chmod 640 \{\} \;;
        echo "Waiting for Elasticsearch availability";
        until curl -s --cacert config/certs/ca/ca.crt https://es:9200 | grep -q "missing authentication credentials"; do sleep 30; done;
        echo "Setting kibana_system password";
        until curl -s -X POST --cacert config/certs/ca/ca.crt -u elastic:${ELASTIC_PASSWORD} -H "Content-Type: application/json" https://es:9200/_security/user/kibana_system/_password -d "{\"password\":\"${KIBANA_PASSWORD}\"}" | grep -q "^{}"; do sleep 10; done;
        echo "Setting kibana_system roles";
        until curl -s -X POST --cacert config/certs/ca/ca.crt -u elastic:${ELASTIC_PASSWORD} -H "Content-Type: application/json" https://es:9200/_security/user/kibana_system/_roles -d "{\"roles\":\"admin\"}" | grep -q "^{}"; do sleep 10; done;
        bin/elasticsearch-plugin install ingest-attachment # plugin for pdf handling
        echo "All done!";
      '

  backend_es:
    container_name: es
    depends_on:
      - backend_setup
    image: docker.elastic.co/elasticsearch/elasticsearch:${STACK_VERSION}
    volumes:
      - certs:/usr/share/elasticsearch/config/certs
      - esdata:/usr/share/elasticsearch/data
    restart: always
    ports:
      - ${ES_PORT}:9200
      - "9300:9300"
    environment:
      - node.name=es
      - ELASTIC_PASSWORD=${ELASTIC_PASSWORD}
      - bootstrap.memory_lock=true
      - discovery.type=single-node
      - xpack.security.enabled=true
      - xpack.security.http.ssl.enabled=true
      - xpack.security.http.ssl.key=certs/es/es.key
      - xpack.security.http.ssl.certificate=certs/es/es.crt
      - xpack.security.http.ssl.certificate_authorities=certs/ca/ca.crt
      - xpack.security.http.ssl.verification_mode=certificate
      - xpack.security.transport.ssl.enabled=true
      - xpack.security.transport.ssl.key=certs/es/es.key
      - xpack.security.transport.ssl.certificate=certs/es/es.crt
      - xpack.security.transport.ssl.certificate_authorities=certs/ca/ca.crt
      - xpack.security.transport.ssl.verification_mode=certificate
      - xpack.license.self_generated.type=${LICENSE}
    mem_limit: ${MEM_LIMIT}
    ulimits:
      memlock:
        soft: -1
        hard: -1
    cap_add:
      - IPC_LOCK
    networks:
      - terrasearch-net

  backend_kibana:
    container_name: terrasearch-kibana
    depends_on:
      - backend_es
    image: docker.elastic.co/kibana/kibana:${STACK_VERSION}
    volumes:
      - certs:/usr/share/kibana/config/certs
      - kibanadata:/usr/share/kibana/data
    ports:
      - ${KIBANA_PORT}:5601
    environment:
      - SERVERNAME=kibana
      - ELASTICSEARCH_HOSTS=https://es:9200
      - ELASTICSEARCH_USERNAME=kibana_system
      - ELASTICSEARCH_PASSWORD=${KIBANA_PASSWORD}
      - ELASTICSEARCH_SSL_CERTIFICATEAUTHORITIES=config/certs/ca/ca.crt
    mem_limit: ${MEM_LIMIT}
    networks:
      - terrasearch-net
    healthcheck:
      test: [ "CMD-SHELL", "curl -s -I http://localhost:${KIBANA_PORT} | grep -q 'HTTP/1.1 302 Found'" ]
      interval: 10s
      timeout: 10s
      retries: 120

  frontend_flask:
    container_name: terrasearch-webapp
    depends_on:
      - backend_es
    build: .
    environment:
      - ELASTIC_USER=${ELASTIC_USER}
      - ELASTIC_PASSWORD=${ELASTIC_PASSWORD}
      - GOOGLE_API_KEY=${GOOGLE_API_KEY}
      - SYNC_DIR=${SYNC_DIR}
      - SYNC_DIR_LOCAL=${SYNC_DIR_LOCAL}
      - FLASK_PORT=${FLASK_PORT}
      - VERSION=${VERSION}
    volumes:
      - certs:/data/certs
      - ${SYNC_DIR_LOCAL}:${SYNC_DIR}
    ports:
      - ${FLASK_PORT}:${FLASK_PORT}
    networks:
      - terrasearch-net

networks:
  terrasearch-net:
    name: terrasearch-net

volumes:
  certs:
    driver: local
  esdata:
    driver: local
  kibanadata:
    driver: local