Docker部署nacos集群

docker拉取nacos镜像，本文使用nacos2.0.3

三台服务器都要执行以下命令

docker pull nacos/nacos-server:v2.2.0

准备挂载的日志目录和配置文件目录

日志：mkdir /usr/local/software/nacos/logs
配置文件：/usr/local/software/nacos/conf

在配置文件目录下创建配置文件application.properties

#
# Copyright 1999-2021 Alibaba Group Holding Ltd.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#      http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
##*************** Spring Boot Related Configurations ***************#
### Default web context path:
server.servlet.contextPath=/nacos
### Include message field
server.error.include-message=ON_PARAM
### Default web server port:
server.port=8848#*************** Network Related Configurations ***************#
### If prefer hostname over ip for Nacos server addresses in cluster.conf:
# nacos.inetutils.prefer-hostname-over-ip=false### Specify local server's IP:
# nacos.inetutils.ip-address=#*************** Config Module Related Configurations ***************#
### If use MySQL as datasource:
spring.datasource.platform=mysql### Count of DB:
db.num=1### Connect URL of DB:
db.url.0=jdbc:mysql://192.168.0.131:3306/nacos?characterEncoding=utf8&connectTimeout=1000&socketTimeout=3000&autoReconnect=true&useUnicode=true&useSSL=false&serverTimezone=UTC
db.user.0=root
db.password.0=123456### Connection pool configuration: hikariCP
db.pool.config.connectionTimeout=30000
db.pool.config.validationTimeout=10000
db.pool.config.maximumPoolSize=20
db.pool.config.minimumIdle=2#*************** Naming Module Related Configurations ***************#
### Data dispatch task execution period in milliseconds: Will removed on v2.1.X, replace with nacos.core.protocol.distro.data.sync.delayMs
# nacos.naming.distro.taskDispatchPeriod=200### Data count of batch sync task: Will removed on v2.1.X. Deprecated
# nacos.naming.distro.batchSyncKeyCount=1000### Retry delay in milliseconds if sync task failed: Will removed on v2.1.X, replace with nacos.core.protocol.distro.data.sync.retryDelayMs
# nacos.naming.distro.syncRetryDelay=5000### If enable data warmup. If set to false, the server would accept request without local data preparation:
# nacos.naming.data.warmup=true### If enable the instance auto expiration, kind like of health check of instance:
# nacos.naming.expireInstance=true### will be removed and replaced by `nacos.naming.clean` properties
nacos.naming.empty-service.auto-clean=true
nacos.naming.empty-service.clean.initial-delay-ms=50000
nacos.naming.empty-service.clean.period-time-ms=30000### Add in 2.0.0
### The interval to clean empty service, unit: milliseconds.
# nacos.naming.clean.empty-service.interval=60000### The expired time to clean empty service, unit: milliseconds.
# nacos.naming.clean.empty-service.expired-time=60000### The interval to clean expired metadata, unit: milliseconds.
# nacos.naming.clean.expired-metadata.interval=5000### The expired time to clean metadata, unit: milliseconds.
# nacos.naming.clean.expired-metadata.expired-time=60000### The delay time before push task to execute from service changed, unit: milliseconds.
# nacos.naming.push.pushTaskDelay=500### The timeout for push task execute, unit: milliseconds.
# nacos.naming.push.pushTaskTimeout=5000### The delay time for retrying failed push task, unit: milliseconds.
# nacos.naming.push.pushTaskRetryDelay=1000### Since 2.0.3
### The expired time for inactive client, unit: milliseconds.
# nacos.naming.client.expired.time=180000#*************** CMDB Module Related Configurations ***************#
### The interval to dump external CMDB in seconds:
# nacos.cmdb.dumpTaskInterval=3600### The interval of polling data change event in seconds:
# nacos.cmdb.eventTaskInterval=10### The interval of loading labels in seconds:
# nacos.cmdb.labelTaskInterval=300### If turn on data loading task:
# nacos.cmdb.loadDataAtStart=false#*************** Metrics Related Configurations ***************#
### Metrics for prometheus
#management.endpoints.web.exposure.include=*### Metrics for elastic search
management.metrics.export.elastic.enabled=false
#management.metrics.export.elastic.host=http://localhost:9200### Metrics for influx
management.metrics.export.influx.enabled=false
#management.metrics.export.influx.db=springboot
#management.metrics.export.influx.uri=http://localhost:8086
#management.metrics.export.influx.auto-create-db=true
#management.metrics.export.influx.consistency=one
#management.metrics.export.influx.compressed=true#*************** Access Log Related Configurations ***************#
### If turn on the access log:
server.tomcat.accesslog.enabled=true### The access log pattern:
server.tomcat.accesslog.pattern=%h %l %u %t "%r" %s %b %D %{User-Agent}i %{Request-Source}i### The directory of access log:
server.tomcat.basedir=file:.#*************** Access Control Related Configurations ***************#
### If enable spring security, this option is deprecated in 1.2.0:
#spring.security.enabled=false### The ignore urls of auth, is deprecated in 1.2.0:
nacos.security.ignore.urls=/,/error,/**/*.css,/**/*.js,/**/*.html,/**/*.map,/**/*.svg,/**/*.png,/**/*.ico,/console-ui/public/**,/v1/auth/**,/v1/console/health/**,/actuator/**,/v1/console/server/**### The auth system to use, currently only 'nacos' and 'ldap' is supported:
nacos.core.auth.system.type=nacos### If turn on auth system:
nacos.core.auth.enabled=false### Turn on/off caching of auth information. By turning on this switch, the update of auth information would have a 15 seconds delay.
nacos.core.auth.caching.enabled=true### Since 1.4.1, Turn on/off white auth for user-agent: nacos-server, only for upgrade from old version.
nacos.core.auth.enable.userAgentAuthWhite=false### Since 1.4.1, worked when nacos.core.auth.enabled=true and nacos.core.auth.enable.userAgentAuthWhite=false.
### The two properties is the white list for auth and used by identity the request from other server.
nacos.core.auth.server.identity.key=serverIdentity
nacos.core.auth.server.identity.value=security### worked when nacos.core.auth.system.type=nacos
### The token expiration in seconds:
nacos.core.auth.plugin.nacos.token.expire.seconds=18000
### The default token:
nacos.core.auth.plugin.nacos.token.secret.key=SecretKey012345678901234567890123456789012345678901234567890123456789### worked when nacos.core.auth.system.type=ldap，{0} is Placeholder,replace login username
#nacos.core.auth.ldap.url=ldap://localhost:389
#nacos.core.auth.ldap.basedc=dc=example,dc=org
#nacos.core.auth.ldap.userDn=cn=admin,${nacos.core.auth.ldap.basedc}
#nacos.core.auth.ldap.password=admin
#nacos.core.auth.ldap.userdn=cn={0},dc=example,dc=org#*************** Istio Related Configurations ***************#
### If turn on the MCP server:
nacos.istio.mcp.server.enabled=false#*************** Core Related Configurations ***************#### set the WorkerID manually
# nacos.core.snowflake.worker-id=### Member-MetaData
# nacos.core.member.meta.site=
# nacos.core.member.meta.adweight=
# nacos.core.member.meta.weight=### MemberLookup
### Addressing pattern category, If set, the priority is highest
# nacos.core.member.lookup.type=[file,address-server]
## Set the cluster list with a configuration file or command-line argument
# nacos.member.list=192.168.16.101:8847?raft_port=8807,192.168.16.101?raft_port=8808,192.168.16.101:8849?raft_port=8809
## for AddressServerMemberLookup
# Maximum number of retries to query the address server upon initialization
# nacos.core.address-server.retry=5
## Server domain name address of [address-server] mode
# address.server.domain=jmenv.tbsite.net
## Server port of [address-server] mode
# address.server.port=8080
## Request address of [address-server] mode
# address.server.url=/nacos/serverlist#*************** JRaft Related Configurations ***************#### Sets the Raft cluster election timeout, default value is 5 second
# nacos.core.protocol.raft.data.election_timeout_ms=5000
### Sets the amount of time the Raft snapshot will execute periodically, default is 30 minute
# nacos.core.protocol.raft.data.snapshot_interval_secs=30
### raft internal worker threads
# nacos.core.protocol.raft.data.core_thread_num=8
### Number of threads required for raft business request processing
# nacos.core.protocol.raft.data.cli_service_thread_num=4
### raft linear read strategy. Safe linear reads are used by default, that is, the Leader tenure is confirmed by heartbeat
# nacos.core.protocol.raft.data.read_index_type=ReadOnlySafe
### rpc request timeout, default 5 seconds
# nacos.core.protocol.raft.data.rpc_request_timeout_ms=5000#*************** Distro Related Configurations ***************#### Distro data sync delay time, when sync task delayed, task will be merged for same data key. Default 1 second.
# nacos.core.protocol.distro.data.sync.delayMs=1000### Distro data sync timeout for one sync data, default 3 seconds.
# nacos.core.protocol.distro.data.sync.timeoutMs=3000### Distro data sync retry delay time when sync data failed or timeout, same behavior with delayMs, default 3 seconds.
# nacos.core.protocol.distro.data.sync.retryDelayMs=3000### Distro data verify interval time, verify synced data whether expired for a interval. Default 5 seconds.
# nacos.core.protocol.distro.data.verify.intervalMs=5000### Distro data verify timeout for one verify, default 3 seconds.
# nacos.core.protocol.distro.data.verify.timeoutMs=3000### Distro data load retry delay when load snapshot data failed, default 30 seconds.
# nacos.core.protocol.distro.data.load.retryDelayMs=30000##################################################################

三台服务器分别执行启动命令

标题启动第一个节点

docker run -d --name nacos1 \-e PREFER_HOST_MODE=hostname \-e MODE=cluster \-e NACOS_SERVERS="192.168.0.128:8848 192.168.0.129:8848 192.168.0.130:8848" \-e SPRING_DATASOURCE_PLATFORM=mysql \-e MYSQL_SERVICE_HOST=192.168.0.131 \-e MYSQL_SERVICE_PORT=3306 \-e MYSQL_SERVICE_DB_NAME=nacos \-e MYSQL_SERVICE_USER=root \-e MYSQL_SERVICE_PASSWORD=123456 \-e MYSQL_DATABASE_NUM=1 \-p 8848:8848 \-v /usr/local/software/nacos/logs:/home/nacos/logs \-v /usr/local/software/nacos/conf/application.properties:/home/nacos/conf/application.properties \nacos/nacos-server:2.0.3

启动第二个节点

  -e PREFER_HOST_MODE=hostname \-e MODE=cluster \-e NACOS_SERVERS="192.168.0.128:8848 192.168.0.129:8848 192.168.0.130:8848" \-e SPRING_DATASOURCE_PLATFORM=mysql \-e MYSQL_SERVICE_HOST=192.168.0.131 \-e MYSQL_SERVICE_PORT=3306 \-e MYSQL_SERVICE_DB_NAME=nacos \-e MYSQL_SERVICE_USER=root \-e MYSQL_SERVICE_PASSWORD=123456 \-e MYSQL_DATABASE_NUM=1 \-p 8848:8848 \-v /usr/local/software/nacos/logs:/home/nacos/logs \-v /usr/local/software/nacos/conf/application.properties:/home/nacos/conf/application.properties \nacos/nacos-server:2.0.3

启动第三个节点

docker run -d --name nacos3 \-e PREFER_HOST_MODE=hostname \-e MODE=cluster \-e NACOS_SERVERS="192.168.0.128:8848 192.168.0.129:8848 192.168.0.130:8848" \-e SPRING_DATASOURCE_PLATFORM=mysql \-e MYSQL_SERVICE_HOST=192.168.0.131 \-e MYSQL_SERVICE_PORT=3306 \-e MYSQL_SERVICE_DB_NAME=nacos \-e MYSQL_SERVICE_USER=root \-e MYSQL_SERVICE_PASSWORD=123456 \-e MYSQL_DATABASE_NUM=1 \-p 8848:8848 \-v /usr/local/software/nacos/logs:/home/nacos/logs \-v /usr/local/software/nacos/conf/application.properties:/home/nacos/conf/application.properties \nacos/nacos-server:2.0.3

验证是否启动成功

http://192.168.0.128:8848/nacos
http://192.168.0.129:8848/nacos
http://192.168.0.130:8848/nacos