Group Replicate

Ref ​here

We use docker swarm 3 nodes

1. pull image to 3 docker nodes

   $ docker pull mysql/mysql-server:8.0
   

2. Using docker-compose.yml file in atttached here

   $ docker-compose stack deploy -c docker-compose.yml db
   
   Ignoring unsupported options: restart
   Ignoring deprecated options:
   container_name: Setting the container name is not supported.
   
   Creating network db_mysqlgr
   Creating service db_node2
   Creating service db_node3
   Creating service db_node1
   

3. Check with docker stack ps db

   root@n1:/home/ubuntu/GR# docker stack ps db
   ID             NAME         IMAGE                    NODE      DESIRED STATE   CURRENT STATE                ERROR     PORTS
   z8tarrgj0isq   db_node1.1   mysql/mysql-server:8.0   n3        Running         Running 50 seconds ago                 
   xt8vagtlz79c   db_node2.1   mysql/mysql-server:8.0   n2        Running         Running about a minute ago             
   ve5o54jtwc4v   db_node3.1   mysql/mysql-server:8.0   n1        Running         Running about a minute ago          
   

4. On master node