docker-compose.yml

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version: '3'
networks:
  pulsar:
    driver: bridge
services:
  # Start ZooKeeper
  zookeeper:
    image: apachepulsar/pulsar:${PULSAR_VERSION}
    container_name: zookeeper
    restart: on-failure
    networks:
      - pulsar
    environment:
      - metadataStoreUrl=zk:zookeeper:2181
      - PULSAR_MEM=-Xms128m -Xmx128m -XX:MaxDirectMemorySize=56m
    command: >
      bash -c "bin/apply-config-from-env.py conf/zookeeper.conf && \
             bin/generate-zookeeper-config.sh conf/zookeeper.conf && \
             exec bin/pulsar zookeeper"
    healthcheck:
      test: ["CMD", "bin/pulsar-zookeeper-ruok.sh"]
      interval: 10s
      timeout: 5s
      retries: 30

  # Initialize cluster metadata
  pulsar-init:
    container_name: pulsar-init
    hostname: pulsar-init
    image: apachepulsar/pulsar:${PULSAR_VERSION}
    networks:
      - pulsar
    environment:
      - PULSAR_MEM=-Xms128m -Xmx128m -XX:MaxDirectMemorySize=56m
    command: >
      bin/pulsar initialize-cluster-metadata \
               --cluster cluster-a \
               --zookeeper zookeeper:2181 \
               --configuration-store zookeeper:2181 \
               --web-service-url http://broker-1:8080 \
               --broker-service-url pulsar://broker-1:6650
    depends_on:
      zookeeper:
        condition: service_healthy

  # Start bookie
  bookie:
    image: apachepulsar/pulsar:${PULSAR_VERSION}
    container_name: bookie
    restart: on-failure
    networks:
      - pulsar
    environment:
      - clusterName=cluster-a
      - zkServers=zookeeper:2181
      - metadataServiceUri=metadata-store:zk:zookeeper:2181
      - advertisedAddress=bookie
      - BOOKIE_MEM=-Xms128m -Xmx128m -XX:MaxDirectMemorySize=56m
    depends_on:
      zookeeper:
        condition: service_healthy
      pulsar-init:
        condition: service_completed_successfully
    command: bash -c "bin/apply-config-from-env.py conf/bookkeeper.conf && exec bin/pulsar bookie"

  proxy:
    image: apachepulsar/pulsar:${PULSAR_VERSION}
    container_name: proxy
    hostname: proxy
    restart: on-failure
    networks:
      - pulsar
    environment:
      - metadataStoreUrl=zk:zookeeper:2181
      - zookeeperServers=zookeeper:2181
      - clusterName=cluster-a
      - PULSAR_MEM=-Xms128m -Xmx128m -XX:MaxDirectMemorySize=56m
    ports:
      - "8080:8080"
      - "6650:6650"
    depends_on:
      broker-1:
        condition: service_healthy
      broker-2:
        condition: service_healthy
    command: bash -c "bin/apply-config-from-env.py conf/proxy.conf && exec bin/pulsar proxy"

  # Start broker 1
  broker-1:
    image: apachepulsar/pulsar:${PULSAR_VERSION}
    container_name: broker-1
    hostname: broker-1
    restart: on-failure
    networks:
      - pulsar
    environment:
      - metadataStoreUrl=zk:zookeeper:2181
      - zookeeperServers=zookeeper:2181
      - clusterName=cluster-a
      - managedLedgerDefaultEnsembleSize=1
      - managedLedgerDefaultWriteQuorum=1
      - managedLedgerDefaultAckQuorum=1
      - advertisedAddress=broker-1
      - internalListenerName=internal
      - advertisedListeners=internal:pulsar://broker-1:6650
      - PULSAR_MEM=-Xms256m -Xmx256m -XX:MaxDirectMemorySize=56m
      - PULSAR_PREFIX_defaultNumberOfNamespaceBundles=1
    depends_on:
      zookeeper:
        condition: service_healthy
      bookie:
        condition: service_started
    command: bash -c "bin/apply-config-from-env.py conf/broker.conf && exec bin/pulsar broker"
    healthcheck:
      test: ["CMD-SHELL", "curl -f http://localhost:8080/metrics || exit 1"]
      interval: 10s
      timeout: 5s
      retries: 30

  # Start broker 2
  broker-2:
    image: apachepulsar/pulsar:${PULSAR_VERSION}
    container_name: broker-2
    hostname: broker-2
    restart: on-failure
    networks:
      - pulsar
    environment:
      - metadataStoreUrl=zk:zookeeper:2181
      - zookeeperServers=zookeeper:2181
      - clusterName=cluster-a
      - managedLedgerDefaultEnsembleSize=1
      - managedLedgerDefaultWriteQuorum=1
      - managedLedgerDefaultAckQuorum=1
      - advertisedAddress=broker-2
      - internalListenerName=internal
      - advertisedListeners=internal:pulsar://broker-2:6650
      - PULSAR_MEM=-Xms256m -Xmx256m -XX:MaxDirectMemorySize=56m
      - PULSAR_PREFIX_defaultNumberOfNamespaceBundles=1
    depends_on:
      zookeeper:
        condition: service_healthy
      bookie:
        condition: service_started
    command: bash -c "bin/apply-config-from-env.py conf/broker.conf && exec bin/pulsar broker"
    healthcheck:
      test: ["CMD-SHELL", "curl -f http://localhost:8080/metrics || exit 1"]
      interval: 10s
      timeout: 5s
      retries: 30