docker-compose.yml

version: '3'
services:
  neo4j:
    image: neo4j:3.5.8-enterprise
    hostname: klinks
    container_name: klinks
    ports:
    - "7474:7474"
    - "7687:7687"
    volumes:
    - $PWD/plugins:/plugins
    environment:
      NEO4J_dbms_logs_query_threshold: 0s
      NEO4J_dbms_logs_query_enabled: "true"
      NEO4J_cypher_lenient__create__relationship: "true"
      NEO4J_apoc_trigger_enabled: "true"
      NEO4J_dbms_security_procedures_unrestricted: "apoc.*,algo.*"
      NEO4J_ACCEPT_LICENSE_AGREEMENT: "yes"
      NEO4J_dbms_logs_debug_level: DEBUG
      NEO4J_dbms_memory_heap_max__size: 2G
      NEO4J_dbms_memory_heap_initial__size: 1G
      NEO4J_dbms_memory_pagecache_size: 1G
      NEO4J_AUTH: neo4j/admin
      NEO4J_ACCEPT_LICENSE_AGREEMENT: "yes"
      NEO4J_kafka_group_id: p2
      NEO4J_streams_sink_topic_cypher_friends: "
        MERGE (p1:Person { name: event.initiated }) 
        MERGE (p2:Person { name: event.accepted }) 
        CREATE (p1)-[:FRIENDS { when: event.date }]->(p2)
      "
      NEO4J_streams_sink_enabled: "true"
      NEO4J_streams_procedures_enabled: "true"
      NEO4J_streams_source_enabled: "false"
      #NEO4J_streams_source_topic_nodes_recommendations: Recommendation{*}
      #NEO4J_streams_source_schema_polling_interval: 10000
      #NEO4J_kafka_acks: 1
      #NEO4J_kafka_num_partitions: 1
      #NEO4J_kafka_retries: 2
      #NEO4J_kafka_batch_size: 16384
      #NEO4J_kafka_buffer_memory: 33554432
      #NEO4J_kafka_session_timeout_ms: 15000
      #NEO4J_kafka_reindex_batch_size: 1000
      #NEO4J_kafka_connection_timeout_ms: 10000
      #NEO4J_kafka_replication: 1
      #NEO4J_kafka_linger_ms: 1
      #
      # CONFLUENT CLOUD CONFIGURATION
      # Use this block of configuration items out if you're using Confluent Cloud
      NEO4J_kafka_ssl_endpoint_identification_algorithm: https
      NEO4J_kafka_sasl_mechanism: PLAIN
      NEO4J_kafka_request_timeout_ms: 20000
      NEO4J_kafka_bootstrap_servers: ${KAFKA_BOOTSTRAP_SERVERS}
      NEO4J_kafka_retry_backoff_ms: 500
      NEO4J_kafka_sasl_jaas_config: org.apache.kafka.common.security.plain.PlainLoginModule required username="${CONFLUENT_API_KEY}" password="${CONFLUENT_API_SECRET}";
      NEO4J_kafka_security_protocol: SASL_SSL
      # LOCAL KAFKA CONFIGURATION
      # Uncomment this block of lines and configure correctly if you're using Kafka locally.
      # NEO4J_kafka_zookeeper_connect: localhost:2181
      # NEO4J_kafka_bootstrap_servers: localhost:9092