first commit

docker-compose.yml

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+version: "2"
+
+services:
+  mariadb-primary:
+    image: mariadb:latest
+    container_name: ${MARIA_HOST}
+    command: 
+      - --innodb_buffer_pool_size=536870912
+      - --key_buffer_size=67108864
+      - --query_cache_type=1
+      - --query_cache_size=134217728
+      - --query-cache-strip-comments=1
+      - --max-connections=256
+      - --log_bin=log_bin
+      - --binlog_format=ROW
+      - --server-id=1
+    ports:
+      - "3306:3306"
+    networks:
+      - repl      
+    volumes:
+      - mariadb-primary-data:/var/lib/mysql
+    environment:
+      MARIADB_USER: ${MARIA_USER}
+      MARIADB_PASSWORD: ${MARIA_PASS}
+      MYSQL_DATABASE: ${MARIA_NAME}
+      MYSQL_ROOT_PASSWORD: ${MARIA_PASS}
+    restart: always
+
+  mariadb-secondary:
+    image: mariadb:latest
+    container_name: ${MARIA_SECONDARY_HOST}
+    command:
+      - --innodb_buffer_pool_size=536870912
+      - --key_buffer_size=67108864
+      - --max-connections=256
+      - --server-id=2
+      - --read_only=ON
+      - --relay-log=relay-log
+      # - --log_bin=log_bin
+      # - --binlog_format=ROW
+    ports:
+      - "3307:3306"
+    networks:
+      - repl
+    volumes:
+      - mariadb-secondary-data:/var/lib/mysql
+    environment:
+      MARIADB_USER: ${MARIA_USER}
+      MARIADB_PASSWORD: ${MARIA_PASS}
+      MYSQL_DATABASE: ${MARIA_NAME}
+      MYSQL_ROOT_PASSWORD: ${MARIA_PASS}
+    restart: always
+    depends_on:
+      - mariadb-primary
+
+  # postgresql:
+  #   container_name: ${POSTGRES_HOST}
+  #   restart: always
+  #   image: postgres:18
+  #   networks:
+  #     repl:
+  #   ports:
+  #     - 5432:5432
+  #   volumes:
+  #     - postgres-data:/var/lib/postgresql:Z
+  #   command: postgres -c shared_buffers=512MB -c work_mem=16MB  -c maintenance_work_mem=256MB -c effective_cache_size=4GB -c max_connections=20
+  #   environment:
+  #     POSTGRES_USER: ${POSTGRES_USER}
+  #     POSTGRES_PASSWORD: ${POSTGRES_PASS}
+  #     POSTGRES_DB: ${POSTGRES_NAME}       
+
+
+networks:
+  repl:
+    name: repl
+volumes:
+  mariadb-primary-data:
+    driver: local
+  mariadb-secondary-data:
+    driver: local
+  postgres-data:
+    driver: local