Docker files

docker/docker-compose.yml

-version:              '3'
-services:
-  n1:
-    image:            erkules/galera
-    container_name:   dbcop-n1
-    command:          ["--wsrep-cluster-name=local-test", "--wsrep-cluster-address=gcomm://"]
-    hostname:         n1
-    networks:
-      dbcop-net:
-        ipv4_address: 172.18.0.11
-  n2:
-    image:            erkules/galera
-    container_name:   dbcop-n2
-    command:          ["--wsrep-cluster-name=local-test", "--wsrep-cluster-address=gcomm://n1"]
-    links:            [n1]
-    hostname:         n2
-    networks:
-      dbcop-net:
-        ipv4_address: 172.18.0.12
-  n3:
-    image:            erkules/galera
-    container_name:   dbcop-n3
-    command:          ["--wsrep-cluster-name=local-test", "--wsrep-cluster-address=gcomm://n1"]
-    links:            [n1]
-    hostname:         n3
-    networks:
-      dbcop-net:
-        ipv4_address: 172.18.0.13
-  n4:
-    image:            erkules/galera
-    container_name:   dbcop-n4
-    command:          ["--wsrep-cluster-name=local-test", "--wsrep-cluster-address=gcomm://n1"]
-    links:            [n1]
-    hostname:         n4
-    networks:
-      dbcop-net:
-        ipv4_address: 172.18.0.14
-  n5:
-    image:            erkules/galera
-    container_name:   dbcop-n5
-    command:          ["--wsrep-cluster-name=local-test", "--wsrep-cluster-address=gcomm://n1"]
-    links:            [n1]
-    hostname:         n5
-    networks:
-      dbcop-net:
-        ipv4_address: 172.18.0.15
-  n6:
-    image:            erkules/galera
-    container_name:   dbcop-n6
-    command:          ["--wsrep-cluster-name=local-test", "--wsrep-cluster-address=gcomm://n1"]
-    links:            [n1]
-    hostname:         n6
-    networks:
-      dbcop-net:
-        ipv4_address: 172.18.0.16
-
-
-networks:
-  dbcop-net:
-    driver:           bridge
-    ipam:
-     config:
-       - subnet:      172.18.0.0/16

docker/galera/build/arch/Dockerfile

+FROM base/archlinux
+RUN pacman -Syu --noconfirm
+RUN pacman -S base-devel --noconfirm
+RUN pacman -S galera rsync lsof --noconfirm
+RUN pacman -S iproute2 --noconfirm
+RUN mysql_install_db --user=mysql --basedir=/usr --datadir=/var/lib/mysql
+RUN sed -e 's|wsrep_provider=.*|wsrep_provider=/usr/lib64/libgalera_smm.so|g' /etc/mysql/wsrep.cnf >> /etc/mysql/my.cnf
+COPY mysql_first_time.sql '/tmp/mysql-first-time.sql'
+EXPOSE 3306
+ENTRYPOINT ["mysqld_safe", "--init-file=/tmp/mysql-first-time.sql"]

docker/galera/build/arch/mysql_first_time.sql

+-- What's done in this file shouldn't be replicated
+--  or products like mysql-fabric won't work
+SET @@SESSION.SQL_LOG_BIN=0;
+
+DELETE FROM mysql.user ;
+CREATE USER 'root'@'%' IDENTIFIED BY '' ;
+GRANT ALL ON *.* TO 'root'@'%' WITH GRANT OPTION ;
+DROP DATABASE IF EXISTS test ;
+FLUSH PRIVILEGES ;

docker/galera/swarm/arch.yml

+version:        "3.7"
+services:
+  parent:
+    image:      galera:arch
+    command:    ["--wsrep-node-name=dbcop-test", "--wsrep-cluster-address=gcomm://"]
+    hostname:   parent
+  child:
+    image:      galera:arch
+    depends_on:
+      - parent
+    command:    ["--wsrep-node-name=dbcop-test", "--wsrep-cluster-address=gcomm://parent"]
+    deploy:
+      replicas: 4

docker/galera/swarm/ubuntu.yml

+version:        "3.7"
+services:
+  parent:
+    image:      erkules/galera
+    command:    ["--wsrep-node-name=dbcop-test", "--wsrep-cluster-address=gcomm://"]
+    hostname:   parent
+  child:
+    image:      erkules/galera
+    depends_on:
+      - parent
+    command:    ["--wsrep-node-name=dbcop-test", "--wsrep-cluster-address=gcomm://parent"]
+    deploy:
+      replicas: 4