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docker/docker-compose.yml

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+version: '3'
+services:
+  emqx:
+    depends_on:
+      - emqx_db
+    image: emqx/emqx:5.0.21
+    container_name: emqx
+    ports:
+      - "1883:1883"
+      - "8083:8083"
+      - "8084:8084"
+      - "8883:8883"
+      - "18083:18083"
+    restart: always
+    logging:
+      driver: "json-file"
+      options:
+        max-size: "10m"
+
+  emqx_db:
+    image: mariadb
+    container_name: emqx_db
+    restart: always
+    networks:
+      - emqx_db
+    ports:
+      - 3306:3306
+    expose:
+      - 3306    
+    command: --character-set-server=utf8mb4 --collation-server=utf8mb4_unicode_ci  
+    environment:
+      - MYSQL_ROOT_PASSWORD=supermen
+      - MYSQL_DATABASE=emqx
+      - MYSQL_USER=emqx
+      - MYSQL_PASSWORD=emqx
+      - TZ=Asia/Shanghai
+    volumes:
+      - ./db:/var/lib/mysql
+      # 标准 Linux 系统下使用
+      - /etc/localtime:/etc/localtime:ro
+      - /etc/timezone/timezone:/etc/timezone:ro      
+    # healthcheck:
+    #   test: ["CMD-SHELL", "/etc/init.d/mysql status"]
+    #   interval: 30s
+  phpmyadmin:
+    image: phpmyadmin:latest
+    ports:
+      - 8080:80
+    depends_on:
+      - emqx_db
+    networks:
+      - emqx_db
+      - tinyurl
+    environment:
+      - PMA_HOST=emqx_db
+      # - PMA_USER=root
+      #- PMA_PASSWORD=supermen
+      # - PMA_ARBITRARY=1
+    restart: unless-stopped    
+networks:
+  tinyurl_db:
+    internal: true
+  tinyurl:
+    external: true

docker/readme.md

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+CREATE TABLE `mqtt_user` (
+  `id` int(11) unsigned NOT NULL AUTO_INCREMENT,
+  `username` varchar(100) DEFAULT NULL,
+  `password_hash` varchar(100) DEFAULT NULL,
+  `salt` varchar(35) DEFAULT NULL,
+  `is_superuser` tinyint(1) DEFAULT 0,
+  `created` datetime DEFAULT NULL,
+  PRIMARY KEY (`id`),
+  UNIQUE KEY `mqtt_username` (`username`)
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
+
+CREATE TABLE `mqtt_acl` (
+  `id` int(11) unsigned NOT NULL AUTO_INCREMENT,
+  `username` varchar(100) NOT NULL,
+  `permission` varchar(5) NOT NULL,
+  `action` varchar(9) NOT NULL,
+  `topic` varchar(100) NOT NULL,
+  INDEX username_idx(username),
+  PRIMARY KEY (`id`)
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;