|  | version: '3' | 
|  | services: | 
|  | gerrit1: | 
|  | build: . | 
|  | environment: | 
|  | - INSTANCE_ID=primary | 
|  | - REPLICA=false | 
|  | - REMOTE=replica-1 | 
|  | - REMOTE_URL=gerrit2 | 
|  | - DEBUG_PORT=5005 | 
|  | - BROKER_HOST=broker | 
|  | - BROKER_PORT=9092 | 
|  | - REPLICATE_ON_STARTUP=false | 
|  | ports: | 
|  | - "8080:8080" | 
|  | - "29418:29418" | 
|  | - "5005:5005" | 
|  | depends_on: | 
|  | - broker | 
|  | gerrit2: | 
|  | build: . | 
|  | environment: | 
|  | - INSTANCE_ID=replica-1 | 
|  | - REPLICA=true | 
|  | - REMOTE=primary | 
|  | - REMOTE_URL=gerrit1 | 
|  | - DEBUG_PORT=5006 | 
|  | - BROKER_HOST=broker | 
|  | - BROKER_PORT=9092 | 
|  | - REPLICATE_ON_STARTUP=true | 
|  | ports: | 
|  | - "8081:8080" | 
|  | - "29419:29418" | 
|  | - "5006:5006" | 
|  | depends_on: | 
|  | - broker | 
|  | - gerrit1 | 
|  |  | 
|  | zookeeper: | 
|  | image: confluentinc/cp-zookeeper:7.3.0 | 
|  | container_name: zookeeper | 
|  | environment: | 
|  | ZOOKEEPER_CLIENT_PORT: 2181 | 
|  | ZOOKEEPER_TICK_TIME: 2000 | 
|  |  | 
|  | broker: | 
|  | image: confluentinc/cp-kafka:7.3.0 | 
|  | container_name: broker | 
|  | ports: | 
|  | - "9092:9092" | 
|  | depends_on: | 
|  | - zookeeper | 
|  | environment: | 
|  | KAFKA_BROKER_ID: 1 | 
|  | KAFKA_ZOOKEEPER_CONNECT: 'zookeeper:2181' | 
|  | KAFKA_LISTENER_SECURITY_PROTOCOL_MAP: PLAINTEXT:PLAINTEXT,PLAINTEXT_INTERNAL:PLAINTEXT | 
|  | KAFKA_ADVERTISED_LISTENERS: PLAINTEXT://broker:9092,PLAINTEXT_INTERNAL://broker:29092 | 
|  | KAFKA_OFFSETS_TOPIC_REPLICATION_FACTOR: 1 | 
|  | KAFKA_TRANSACTION_STATE_LOG_MIN_ISR: 1 | 
|  | KAFKA_TRANSACTION_STATE_LOG_REPLICATION_FACTOR: 1 |