stream-docker-compose.yaml

---
version: "3.8"
services:
  zookeeper:
    image: confluentinc/cp-zookeeper:7.5.0
    container_name: streaming-zookeeper
    ports:
      - "2181:2181"
    healthcheck:
      test: echo srvr | nc zookeeper 2181 || exit 1
      start_period: 10s
      retries: 20
      interval: 10s
    environment:
      ZOOKEEPER_CLIENT_PORT: 2181
      ZOOKEEPER_TICK_TIME: 2000

  # Kafka broker, all configurations you can take a look
  # at https://docs.confluent.io/platform/current/installation/docker/config-reference.html
  broker:
    image: confluentinc/cp-server:7.5.0
    container_name: streaming-broker
    depends_on:
      zookeeper:
        condition: service_healthy
    ports:
      - "9092:9092"
      - "9101:9101"
    healthcheck:
      test: nc -z localhost 9092 || exit -1
      start_period: 15s
      interval: 5s
      timeout: 10s
      retries: 10
    environment:
      # ID of the broker in a cluster
      KAFKA_BROKER_ID:
        1
        # Connect to Zoo Keeper for distributed coordination and leader election
      KAFKA_ZOOKEEPER_CONNECT: "zookeeper:2181"
      KAFKA_LISTENER_SECURITY_PROTOCOL_MAP: PLAINTEXT:PLAINTEXT,PLAINTEXT_HOST:PLAINTEXT
      # Define how clients connect to brokers
      KAFKA_ADVERTISED_LISTENERS: PLAINTEXT://broker:29092,PLAINTEXT_HOST://localhost:9092
      # How many copies are maintained for fault tolerance
      KAFKA_OFFSETS_TOPIC_REPLICATION_FACTOR: 1
      # Schema Registry URL for storing and managing Avro schemas
      KAFKA_CONFLUENT_SCHEMA_REGISTRY_URL: http://schema-registry:8081
      # Confluent Metrics Reporter for Control Center Cluster Monitoring
      KAFKA_METRIC_REPORTERS: io.confluent.metrics.reporter.ConfluentMetricsReporter
      CONFLUENT_METRICS_REPORTER_BOOTSTRAP_SERVERS: "broker:9092"
      CONFLUENT_METRICS_REPORTER_TOPIC_REPLICAS: 1
      CONFLUENT_METRICS_ENABLE: "true"
      # For fixing the bug replication factor 3 > the number of node
      KAFKA_CONFLUENT_BALANCER_TOPIC_REPLICATION_FACTOR: 1
      KAFKA_TRANSACTION_STATE_LOG_MIN_ISR: 1
      KAFKA_TRANSACTION_STATE_LOG_REPLICATION_FACTOR: 1

  # For managing Avro schemas
  schema-registry:
    image: confluentinc/cp-schema-registry:7.5.0
    container_name: streaming-schema-registry
    depends_on:
      - broker
    ports:
      - "8081:8081"
    healthcheck:
      start_period: 10s
      interval: 10s
      retries: 20
      test: curl --user superUser:superUser --fail --silent --insecure http://localhost:8081/subjects --output /dev/null || exit 1
    environment:
      SCHEMA_REGISTRY_HOST_NAME: schema-registry
      SCHEMA_REGISTRY_KAFKASTORE_BOOTSTRAP_SERVERS: "broker:29092"
      SCHEMA_REGISTRY_LISTENERS: http://0.0.0.0:8081


  # Confluent control center to manage Kafka
  control-center:
    image: confluentinc/cp-enterprise-control-center:7.5.0
    container_name: streaming-control-center
    depends_on:
      - broker
      - schema-registry
      - debezium
    ports:
      - "9021:9021"
    healthcheck:
      test: ["CMD", "curl", "-f", "http://localhost:9021/healthcheck"] # Adjust the URL and options as needed
      interval: 30s
      timeout: 10s
      retries: 3
    environment:
      CONTROL_CENTER_BOOTSTRAP_SERVERS: "broker:29092"
      # CONTROL_CENTER_CONNECT_CONNECT-DEFAULT_CLUSTER: "connect:8083"
      CONTROL_CENTER_SCHEMA_REGISTRY_URL: "http://schema-registry:8081"
      CONTROL_CENTER_REPLICATION_FACTOR: 1
      CONTROL_CENTER_INTERNAL_TOPICS_PARTITIONS: 1
      CONTROL_CENTER_CONNECT_HEALTHCHECK_ENDPOINT: "/connectors"
      CONFLUENT_METRICS_TOPIC_REPLICATION: 1

  # CDC platform to capture changes in DB
  # and stream them to Kafka
  debezium:
    image: debezium/connect:1.9
    container_name: streaming-debezium
    depends_on:
      broker:
        condition: service_healthy
      schema-registry:
        condition: service_healthy
      zookeeper:
        condition: service_healthy
    healthcheck:
      test:
        [
          "CMD",
          "curl",
          "--silent",
          "--fail",
          "-X",
          "GET",
          "http://localhost:8083/connectors",
        ]
      start_period: 10s
      interval: 10s
      timeout: 5s
      retries: 5
    ports:
      - "8083:8083"
    environment:
      BOOTSTRAP_SERVERS: broker:29092
      GROUP_ID: 1
      CONFIG_STORAGE_TOPIC: connect_configs
      OFFSET_STORAGE_TOPIC: connect_offsets
      # Set to Avro for higher performance
      # KEY_CONVERTER: io.confluent.connect.avro.AvroConverter
      # VALUE_CONVERTER: io.confluent.connect.avro.AvroConverter
      KEY_CONVERTER: org.apache.kafka.connect.json.JsonConverter
      VALUE_CONVERTER: org.apache.kafka.connect.json.JsonConverter
      CONNECT_KEY_CONVERTER_SCHEMA_REGISTRY_URL: http://schema-registry:8081
      CONNECT_VALUE_CONVERTER_SCHEMA_REGISTRY_URL: http://schema-registry:8081
      CONNECT_TOPIC_CREATION_ENABLE: true

  # Debezium UI
  debezium-ui:
    image: debezium/debezium-ui:latest
    container_name: debezium-ui
    hostname: debezium-ui
    depends_on:
      debezium:
        condition: service_healthy
    ports:
      - "8085:8080"
    environment:
      KAFKA_CONNECT_URIS: http://debezium:8083

  postgresql:
    image: postgres:latest
    command: ["postgres", "-c", "wal_level=logical"]
    container_name: streaming-postgresql
    healthcheck:
      test: ["CMD", "psql", "-U", "v9", "-c", "SELECT 1"]
      interval: 10s
      timeout: 5s
      retries: 5
    ports:
      - "5432:5432"
    environment:
      POSTGRES_DB: v9
      POSTGRES_USER: v9
      POSTGRES_PASSWORD: v9
    volumes:
      - cdc_postgres_data:/var/lib/postgresql/data

volumes:
  cdc_postgres_data: