workflow-engine/docker-compose.yml at main · kivo2/workflow-engine · GitHub

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version: '3.8'

services:
  zookeeper:
    image: confluentinc/cp-zookeeper:7.5.0
    environment:
      ZOOKEEPER_CLIENT_PORT: 2181
      ZOOKEEPER_TICK_TIME: 2000
    ports:
      - "2181:2181"
    healthcheck:
      test: ["CMD", "nc", "-z", "localhost", "2181"]
      interval: 10s
      timeout: 5s
      retries: 5

  kafka:
    image: confluentinc/cp-kafka:7.5.0
    depends_on:
      zookeeper:
        condition: service_healthy
    ports:
      - "9092:9092"
      - "9093:9093"
    environment:
      KAFKA_BROKER_ID: 1
      KAFKA_ZOOKEEPER_CONNECT: zookeeper:2181
      # Two listeners: INTERNAL for Docker network, EXTERNAL for localhost
      KAFKA_LISTENER_SECURITY_PROTOCOL_MAP: INTERNAL:PLAINTEXT,EXTERNAL:PLAINTEXT
      KAFKA_ADVERTISED_LISTENERS: INTERNAL://kafka:9093,EXTERNAL://localhost:9092
      KAFKA_LISTENERS: INTERNAL://0.0.0.0:9093,EXTERNAL://0.0.0.0:9092
      KAFKA_INTER_BROKER_LISTENER_NAME: INTERNAL
      KAFKA_OFFSETS_TOPIC_REPLICATION_FACTOR: 1
      KAFKA_AUTO_CREATE_TOPICS_ENABLE: true
    healthcheck:
      test: ["CMD", "kafka-broker-api-versions", "--bootstrap-server", "localhost:9092"]
      interval: 10s
      timeout: 10s
      retries: 10

  # Kafka UI — browse topics, messages, consumer groups
  # Access at: http://localhost:8090
  kafka-ui:
    image: provectuslabs/kafka-ui:latest
    depends_on:
      - kafka
    ports:
      - "8090:8080"
    environment:
      KAFKA_CLUSTERS_0_NAME: local
      KAFKA_CLUSTERS_0_BOOTSTRAPSERVERS: kafka:9093

# Phase 3a: Add Postgres here when switching from H2
# postgres:
#   image: postgres:15
#   environment:
#     POSTGRES_DB: workflowdb
#     POSTGRES_USER: sa
#     POSTGRES_PASSWORD: password
#   ports:
#     - "5432:5432"