docker-compose.yml

services:
  data-generator:
    # this data generator
    image: stuzanne/kafka-data-generator:0.6
    container_name: data-gen-0
    environment:
      KAFKA_BOOTSTRAP_SERVERS: 'redpanda-0:9092'
      CLUSTER_SIZING: 'small'
      # SERIALIZATION: avro
      # SCHEMA_LOC: remote
      # SUBJECT: 'customers-value'
      # SCHEMA_REGISTRY_URL: http://redpanda-0:8081
      # TOPICS: 'customers'
    depends_on:
      - redpanda-0

  redpanda-0:
    # a local Kafka
    command:
      - redpanda
      - start
      - --kafka-addr internal://0.0.0.0:9092,external://0.0.0.0:19092
      - --advertise-kafka-addr internal://redpanda-0:9092,external://localhost:19092
      - --pandaproxy-addr internal://0.0.0.0:8082,external://0.0.0.0:18082
      # Address the broker advertises to clients that connect to the HTTP Proxy.
      - --advertise-pandaproxy-addr internal://redpanda-0:8082,external://localhost:18082
      - --schema-registry-addr internal://0.0.0.0:8081,external://0.0.0.0:18081
      # Redpanda brokers use the RPC API to communicate with eachother internally.
      - --rpc-addr redpanda-0:33145
      - --advertise-rpc-addr redpanda-0:33145
      - --smp 1
      - --memory 1G
      - --mode dev-container
      - --default-log-level=info
    image: docker.redpanda.com/redpandadata/redpanda:v23.1.11
    container_name: redpanda-0
    volumes:
      - redpanda-0:/var/lib/redpanda/data
    ports:
      - 18081:18081
      - 18082:18082
      - 19092:19092
      - 19644:9644
    healthcheck:
      test: ["CMD-SHELL", "rpk cluster health | grep -E 'Healthy:.+true' || exit 1"]
      interval: 15s
      timeout: 3s
      retries: 5
      start_period: 5s
  
  conduktor-console:
    # a UI into Kafka from Conduktor
    image: conduktor/conduktor-console:1.29.0
    container_name: conduktor-console-0
    depends_on:
      - postgresql
      - redpanda-0
    ports:
      - "8080:8080"
    volumes:
      - conduktor_data:/var/conduktor
    environment:
      CDK_DATABASE_URL: "postgresql://conduktor:change_me@postgresql:5432/conduktor-platform"
      CDK_CLUSTERS_0_ID: "local-kafka"
      CDK_CLUSTERS_0_NAME: "local-kafka"
      CDK_CLUSTERS_0_BOOTSTRAPSERVERS: "redpanda-0:9092"
      CDK_CLUSTERS_0_SCHEMAREGISTRY_URL: "http://redpanda-0:18081"
      CDK_CLUSTERS_0_COLOR: "#6A57C8"
      CDK_CLUSTERS_0_ICON: "kafka"
  
  postgresql:
    # needed for the Conduktor UI 
    image: postgres:16
    hostname: postgresql
    container_name: postgresql-0
    volumes:
      - pg_data:/var/lib/postgresql/data
    environment:
      PGDATA: "/var/lib/postgresql/data"
      POSTGRES_DB: "conduktor-platform"
      POSTGRES_USER: "conduktor"
      POSTGRES_PASSWORD: "change_me"
      POSTGRES_HOST_AUTH_METHOD: "scram-sha-256"
volumes:
  pg_data: {}
  conduktor_data: {}
  redpanda-0: {}