Add mysql-slave

mysql-slave/.example.env

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+# https://github.com/bitnami/containers/blob/main/bitnami/mysql/README.md#environment-variables
+
+MYSQL_ROOT_PASSWORD=secret
+MYSQL_REPLICATION_USER=slaveuser
+MYSQL_REPLICATION_PASSWORD=slavepass
+MYSQL_REPLICATION_MODE=slave
+MYSQL_CHARACTER_SET=utf8mb4
+MYSQL_COLLATE=utf8mb4_0900_ai_ci
+MYSQL_ENABLE_SLOW_QUERY=0
+MYSQL_LONG_QUERY_TIME=2
+# MYSQL_EXTRA_FLAGS=
+# MYSQL_SQL_MODE=
+
+MYSQL_MASTER_HOST=common-mysql
+MYSQL_MASTER_PORT_NUMBER=3306
+MYSQL_MASTER_ROOT_PASSWORD=secret

mysql-slave/.gitignore

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+/data
+/my_custom.cnf

mysql-slave/compose.mysql-slave.example.yaml

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+volumes:
+  common-mysql-slave:
+    name: 'common-mysql-slave'
+
+services:
+  mysql-slave:
+    image: 'bitnami/mysql:${MYSQL_IMAGE_TAG:-8.4.3}'
+    depends_on:
+      - mysql
+    env_file:
+      - .env
+    networks:
+      common-net:
+        aliases:
+          - common-mysql-slave
+    # ports:
+    #   - 127.0.0.1:${MYSQL_SLAVE_PUBLISH_PORT:-3307}:3306
+    volumes:
+      - common-mysql-slave:/var/lib/mysql
+      - ./my_custom.cnf:/opt/bitnami/mysql/conf/my_custom.cnf:ro

mysql-slave/my_custom.example.cnf

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+[mysql]
+local-infile=1
+
+[mysqld]
+secure-file-priv=""

mysql-slave/readme.md

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+# MySQL (Slave)
+
+This service is used to replicate the slave instance of MySQL.
+
+<u>Reference:</u>
+* [Official MySQL Documentation](https://dev.mysql.com/doc/relnotes/mysql/8.4/en/news-8-4-3.html)
+* [Bitnami MySQL](https://github.com/bitnami/containers/blob/main/bitnami/mysql/README.md)