docker-compose.yml

version: '3.8'

services:
  syslog-ng:
    image: rocky:8
    container_name: syslog-ng
    command: bash -c "yum install -y epel-release && yum install -y syslog-ng syslog-ng-kafka && syslog-ng -F"
    volumes:
      - ./syslog-ng/syslog-ng.conf:/etc/syslog-ng/syslog-ng.conf
    ports:
      - "5140:5140" # Syslog-ng port

  zookeeper:
    image: confluentinc/cp-zookeeper:7.0.1
    environment:
      ZOOKEEPER_CLIENT_PORT: 2181
      ZOOKEEPER_TICK_TIME: 2000

  kafka:
    image: confluentinc/cp-kafka:7.0.1
    depends_on:
      - zookeeper
    environment:
      KAFKA_BROKER_ID: 1
      KAFKA_ZOOKEEPER_CONNECT: zookeeper:2181
      KAFKA_LISTENER_SECURITY_PROTOCOL_MAP: PLAINTEXT:PLAINTEXT
      KAFKA_ADVERTISED_LISTENERS: PLAINTEXT://kafka:9092
      KAFKA_OFFSETS_TOPIC_REPLICATION_FACTOR: 1
    ports:
      - "9092:9092"

  ksqldb-server:
    image: confluentinc/ksqldb-server:0.25.0
    depends_on:
      - kafka
    environment:
      KSQL_CONFIG_DIR: "/etc/ksqldb"
      KSQL_BOOTSTRAP_SERVERS: kafka:9092
      KSQL_LISTENERS: "http://0.0.0.0:8088"
    ports:
      - "8088:8088"