通過Docker在自己電腦上啟動Kafka

ZOOKEEPER_SERVERS=zookeeper-1:4182:5181
ZOOKEEPER_SERVER_ID=1
ZOOKEEPER_CLIENT_PORT=2181

KAFKA_HEAP_OPTS=-Xms32M -Xmx32M -verbose:gc

zookeeper-1:
image: confluentinc/cp-zookeeper:5.0.0
hostname: zookeeper-1
container_name: zookeeper-1
ports:
- <font>"2181:2181"</font><font>
env_file:
- zookeeper.env
healthcheck:
test: /bin/sh -c '[ \"imok\" = \"$$(echo ruok | nc -w 1 127.0.0.1 2181)\" ]' || exit 1
interval: 1m
volumes:
- zookeeper-1-data:/<b>var</b>/lib/zookeeper/data/
- zookeeper-1-log:/<b>var</b>/lib/zookeeper/log/
</font>

# This will be our first and only broker
KAFKA_BROKER_ID=1
# Define listeneres <b>for</b> accessing broker both inside Docker and from host machine
KAFKA_LISTENER_SECURITY_PROTOCOL_MAP=PLAINTEXT:PLAINTEXT,PLAINTEXT_HOST:PLAINTEXT
KAFKA_ADVERTISED_LISTENERS=PLAINTEXT:<font><i>//kafka-1:9092,PLAINTEXT_HOST://localhost:29092</i></font><font>
# Zookeeper connection
KAFKA_ZOOKEEPER_CONNECT=zookeeper-1:2181

# In dev, we <b>do</b> not need Confluent metrics
CONFLUENT_SUPPORT_METRICS_ENABLE=false

# As well, we can add some heap pressure
KAFKA_HEAP_OPTS=-Xms256M -Xmx256M -verbose:gc

# In development enviroment, auto-creating topics (and deleting them) could be convenient
KAFKA_AUTO_CREATE_TOPICS_ENABLE=<b>true</b>
KAFKA_DELETE_TOPIC_ENABLE=<b>true</b>

# Eight partitions is more than enough <b>for</b> development
KAFKA_NUM_PARTITIONS=8

# Retain offsets <b>for</b> 31 days - in <b>case</b> you work on your project not that often
KAFKA_OFFSETS_RETENTION_MINUTES=44640

# Since we have just one broker, set replication factors to just one
KAFKA_DEFAULT_REPLICATION_FACTOR=1
KAFKA_OFFSETS_TOPIC_REPLICATION_FACTOR=1
KAFKA_TRANSACTION_STATE_LOG_REPLICATION_FACTOR=1
KAFKA_TRANSACTION_STATE_LOG_MIN_ISR=1
KAFKA_MIN_INSYNC_REPLICAS=1

# In development environ, we <b>do</b> not need to many threads
KAFKA_NUM_RECOVERY_THREADS_PER_DATA_DIR=1
KAFKA_NUM_NETWORK_THREADS=3
KAFKA_NUM_IO_THREADS=3

# Configure <b>default</b> log cleanup. You can override these on per-topic basis
KAFKA_LOG_CLEANUP_POLICY=compact

KAFKA_LOG_RETENTION_BYTES=-1
KAFKA_LOG_RETENTION_CHECK_INTERVAL_MS=300000
KAFKA_LOG_RETENTION_HOURS=-1

KAFKA_LOG_ROLL_HOURS=24
KAFKA_LOG_SEGMENT_BYTES=1048576
KAFKA_LOG_SEGMENT_DELETE_DELAY_MS=60000
</font>

kafka-1:
image: confluentinc/cp-kafka:5.0.0
hostname: kafka-1
container_name: kafka-1
stop_grace_period: 3m
depends_on:
- zookeeper-1
ports:
- <font>"29092:29092"</font><font>
env_file:
- kafka.env
volumes:
- kafka-1-data:/<b>var</b>/lib/kafka/data/
</font>

SCHEMA_REGISTRY_HOST_NAME=schema-registry SCHEMA_REGISTRY_KAFKASTORE_CONNECTION_URL=zookeeper-1:2181
KAFKA_HEAP_OPTS=-Xms32M -Xmx32M -verbose:gc

schema-registry:
image: confluentinc/cp-schema-registry:5.0.0
hostname: schema-registry
container_name: schema-registry
depends_on:
- zookeeper-1
- kafka-1
ports:
- <font>"8081:8081"</font><font>
env_file:
- schema-registry.env
</font>