2022-12-31 17:33:47 +08:00
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> 本文由 [简悦 SimpRead](http://ksria.com/simpread/) 转码， 原文地址 [developer.aliyun.com](https://developer.aliyun.com/article/913897)
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> Docker 安装 Seata 分布式事务
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1、简介
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----
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之前已经对分布式事务 Seata 做了详细介绍，可参考：
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[分布式事务解决方案：Spring Cloud + Nacos + Seata 整合](https://yunfan.blog.csdn.net/article/details/123140907)
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接下来直接上手，Docker 安装部署 Seata。
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2、下载镜像
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------
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2023-01-02 02:16:21 +08:00
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```shell
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2022-12-31 17:33:47 +08:00
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docker pull seataio/seata-server:1.4.2
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```
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3、启动容器
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------
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2023-01-02 02:16:21 +08:00
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```shell
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2022-12-31 17:33:47 +08:00
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docker run -d --name seata-server -p 8091:8091 seataio/seata-server:1.4.2
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```
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4、拷贝文件
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------
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2023-01-02 02:16:21 +08:00
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```shell
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2022-12-31 17:33:47 +08:00
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docker cp seata-server:/seata-server /docker-data/seata
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```
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5、修改配置文件
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--------
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（1）修改配置文件 / docker-data/seata/resources/registry.conf，改为 Nacos 信息。
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2023-01-02 02:16:21 +08:00
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```shell
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2022-12-31 17:33:47 +08:00
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registry {
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type = "nacos"
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nacos {
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application = "seata-server"
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serverAddr = "127.0.0.1:8848"
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group = "SEATA_GROUP"
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namespace = ""
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cluster = "default"
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username = "nacos"
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password = "nacos"
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}
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......
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config {
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type = "nacos"
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nacos {
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serverAddr = "127.0.0.1:8848"
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namespace = ""
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group = "SEATA_GROUP"
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username = "nacos"
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password = "nacos"
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dataId = "seataServer.properties"
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}
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}
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```
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（2）修改配置文件 / docker-data/seata/resources/file.conf，改为 DB 信息。
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2023-01-02 02:16:21 +08:00
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```shell
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2022-12-31 17:33:47 +08:00
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store {
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mode = "db"
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......
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db {
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datasource = "druid"
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dbType = "mysql"
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driverClassName = "com.mysql.cj.jdbc.Driver"
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url = "jdbc:mysql://localhost:3306/seata?rewriteBatchedStatements=true"
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user = "root"
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password = "root"
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minConn = 5
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maxConn = 100
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globalTable = "global_table"
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branchTable = "branch_table"
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lockTable = "lock_table"
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queryLimit = 100
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maxWait = 5000
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}
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......
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}
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```
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6、停掉旧容器
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-------
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2023-01-02 02:16:21 +08:00
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```shell
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2022-12-31 17:33:47 +08:00
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docker stop seata-server
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docker rm seata-server
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```
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7、启动新容器
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-------
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2023-01-02 02:16:21 +08:00
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```shell
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2022-12-31 17:33:47 +08:00
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docker run -d \
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--restart always \
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--name seata-server \
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-p 8091:8091 \
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-v /docker-data/seata:/seata-server \
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-e SEATA_IP=外网IP \
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-e SEATA_PORT=8091 \
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seataio/seata-server:1.4.2
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```
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**注意：** 遇到的坑，如果是部署云服务器，没有设置 SEATA_IP，默认注册的是 docker 的内网 ip，seata 启动虽然没有问题，但是微服务项目启动连接时，会报错 can not register RM,err:can not connect to services-server.
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8、查看 Nacos 注册情况
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---------------
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