docker安装seata

docker中安装seata

1.获取镜像

## 使用下面命令获取最新版本的镜像,此时我的最新版本是1.3.0 
## 或者可以使用docker pull seataio/seata-server:1.3.0t获取指定版本的镜像
docker pull seataio/seata-server:latest

2.运行容器并获取配置

为方便我们对seata配置修改我们需要先运行下seata-server,然后将配置拷贝到宿主机中,完成之后删除之前配置并通过宿主机运行容器

## 运行容器
docker run --name seata-server -p 8091:8091 -d  seataio/seata-server:latest
## 将容器中的配置拷贝到/usr/local/seata-1.3.0
docker cp seata-server:/seata-server /usr/local/seata-1.3.0
## 完成后就会在/usr/local/seata-1.3.0出现容器的配置,我们现在可以将原来容器停止并删除
docker stop seata-server
docekr rm seata-server

3.修改配置文件

进入目录/usr/local/seata-1.3.0/resources中修改file.conf和registry.conf中的内容
file.conf中的内容:

## transaction log store, only used in seata-server
store {
  ## store mode: file、db、redis
  mode = "db" ## 原来为file
 
  ## file store property
  file {
    ## store location dir
    dir = "sessionStore"
    # branch session size , if exceeded first try compress lockkey, still exceeded throws exceptions
    maxBranchSessionSize = 16384
    # globe session size , if exceeded throws exceptions
    maxGlobalSessionSize = 512
    # file buffer size , if exceeded allocate new buffer
    fileWriteBufferCacheSize = 16384
    # when recover batch read size
    sessionReloadReadSize = 100
    # async, sync
    flushDiskMode = async
  }

  ## database store property
  db {
    ## the implement of javax.sql.DataSource, such as DruidDataSource(druid)/BasicDataSource(dbcp)/HikariDataSource(hikari) etc.
    datasource = "druid"
    ## mysql/oracle/postgresql/h2/oceanbase etc.
    dbType = "mysql"
    driverClassName = "com.mysql.jdbc.Driver"
    ## 因为设置为db,所以需要选择数据库,这里设置数据库及密码,seata是需要创建的,默认的表是通过脚本运行得到的
    url = "jdbc:mysql://192.168.1.23:3306/seata"
    user = "root"
    password = "123456"
    minConn = 5
    maxConn = 30
    globalTable = "global_table"
    branchTable = "branch_table"
    lockTable = "lock_table"
    queryLimit = 100
    maxWait = 5000
  }

  ## redis store property
  redis {
    host = "127.0.0.1"
    port = "6379"
    password = ""
    database = "0"
    minConn = 1
    maxConn = 10
    queryLimit = 100
  }

registry.conf内容:

registry {
  # file 、nacos 、eureka、redis、zk、consul、etcd3、sofa
  ## 我们这里使用nacos作为注册中心,所以需要设置type为nacos并设置nacos的属性
  type = "nacos"
  nacos {
    application = "seata-server"
    serverAddr = "192.168.1.23:8848"
    group = "SEATA_GROUP"
    ## 这里的namespace是你nacos服务的namespace的data-id,设置那里,到时就会在那个namespace中
    namespace = "a1493ff3-a94b-4f76-91af-7999fabff7d5"
    cluster = "default"
    username = "nacos"
    password = "nacos"
  }
}

config {
  # file、nacos 、apollo、zk、consul、etcd3
  type = "file"

  file {
    name = "file.conf"
  }
}

3.启动seata

docker run -d --restart always  --name  seata-server -p 8091:8091  -v /usr/local/seata-1.3.0:/seata-server -e SEATA_IP=192.168.1.23 -e SEATA_PORT=8091 seataio/seata-server:latest
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