v0.0.0

.env.example

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+MariaDB__MYSQL_ROOT_PASSWORD=MyRootPass
+MariaDB__MYSQL_DATABASE=gitea
+MariaDB__MYSQL_USER=gitea
+MariaDB__MYSQL_PASSWORD=MyPass
+MariaDB__CLUSTER_NAME=mariadb_cluster
+MariaDB__CLUSTER_ADDRESS=gcomm://192.168.1.101,192.168.1.102,192.168.1.103
+MariaDB__NODE_NAME=SVR01
+MariaDB__NODE_ADDRESS=192.168.1.101
+
+# 初次啟動 Bootstrap
+MariaDB__BOOTSTRAP=false

.gitattributes

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+# 所有 Shell 腳本用 LF
+*.sh text eol=lf
+
+# Docker 設定與腳本
+Dockerfile text eol=lf
+*.yaml text eol=lf
+*.yml text eol=lf
+
+# Laravel & PHP 設定檔
+*.conf text eol=lf
+*.ini text eol=lf
+.env* text eol=lf
+
+# 其他你專案內的自定義目錄內腳本
+docker/** text eol=lf

.gitignore

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+data
+*.cnf
+.env

Dockerfile

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+FROM mariadb:latest
+
+RUN apt-get update && apt-get install -y gettext-base  netcat-openbsd && rm -rf /var/lib/apt/lists/*
+
+COPY conf.d/galera.cnf.template /etc/mysql/conf.d/galera.cnf.template
+COPY entrypoint.sh /entrypoint.sh
+RUN chmod +x /entrypoint.sh
+
+ENTRYPOINT ["/entrypoint.sh"]
+CMD ["mariadbd"]

conf.d/galera.cnf.template

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+[mysqld]
+# 基本設定
+bind-address=0.0.0.0
+binlog_format=ROW
+default_storage_engine=InnoDB
+innodb_autoinc_lock_mode=2
+innodb_flush_log_at_trx_commit=0
+query_cache_size=0
+query_cache_type=0
+
+# Galera Cluster
+wsrep_on=ON
+wsrep_provider=/usr/lib/galera/libgalera_smm.so
+wsrep_node_name="${MariaDB__NODE_NAME}"
+wsrep_node_address="${MariaDB__NODE_ADDRESS}"
+wsrep_cluster_name="${MariaDB__CLUSTER_NAME}"
+wsrep_cluster_address="${MariaDB__CLUSTER_ADDRESS}"
+
+# SST (State Snapshot Transfer)
+wsrep_sst_method=rsync

docker-compose.yml

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+services:
+  mariadb:
+    build:
+        context: .
+        dockerfile: Dockerfile
+    container_name: ${MariaDB__NODE_NAME}
+    restart: unless-stopped
+    environment:
+      MARIADB_ROOT_PASSWORD: ${MariaDB__MYSQL_ROOT_PASSWORD}
+      MARIADB_DATABASE: ${MariaDB__MYSQL_DATABASE}
+      MARIADB_USER: ${MariaDB__MYSQL_USER}
+      MARIADB_PASSWORD: ${MariaDB__MYSQL_PASSWORD}
+      MariaDB__BOOTSTRAP: ${MariaDB__BOOTSTRAP}
+      MariaDB__NODE_NAME: ${MariaDB__NODE_NAME}
+      MariaDB__NODE_ADDRESS: ${MariaDB__NODE_ADDRESS}
+      MariaDB__CLUSTER_NAME: ${MariaDB__CLUSTER_NAME}
+      MariaDB__CLUSTER_ADDRESS: ${MariaDB__CLUSTER_ADDRESS}
+    volumes:
+      - ./data:/var/lib/mysql
+      - ./conf.d:/etc/mysql/conf.d
+    ports:
+      - "3306:3306"
+      - "4567:4567"
+      - "4567:4567/udp"
+      - "4568:4568"
+      - "4444:4444"
+    networks:
+      default:
+
+networks:
+  default:
+    name: mariadb_net

entrypoint.sh

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+#!/bin/bash
+set -e
+
+# 生成最終的 galera.cnf
+# 只替換指定變數
+envsubst '${MariaDB__NODE_NAME} ${MariaDB__NODE_ADDRESS} ${MariaDB__CLUSTER_NAME} ${MariaDB__CLUSTER_ADDRESS}' \
+  < /etc/mysql/conf.d/galera.cnf.template > /etc/mysql/conf.d/galera.cnf
+
+if [ "${MariaDB__BOOTSTRAP}" = "true" ]; then
+  echo "[INFO] Bootstrapping Galera cluster..."
+  exec docker-entrypoint.sh mariadbd --wsrep-new-cluster
+else
+  exec docker-entrypoint.sh "$@"
+fi