no message

conf.d/nginx.conf

@@ -0,0 +1,18 @@
+server {
+    listen       80;
+    server_name  localhost;
+    location / {
+        root   /var/www/html;
+        index  index.html index.htm index.php;
+    }
+    error_page   500 502 503 504  /50x.html;
+    location = /50x.html {
+        root   /var/www/html;
+    }
+    location ~ \.php$ {
+        fastcgi_pass   php:9000;
+        fastcgi_index  index.php;
+        fastcgi_param  SCRIPT_FILENAME  /var/www/html/$fastcgi_script_name;
+        include        fastcgi_params;
+    }
+}

docker-compose.yml

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+version: '3'
+services:
+    nginx:
+        image: nginx:latest
+        # 端口映射
+        ports:
+            - "80:80"
+        # 依赖关系 先跑php
+        depends_on:
+            - "php"
+        # 数据卷
+        volumes:
+            # 映射主机./conf.d目录到容器/etc/nginx/conf.d目录
+            - "$PWD/conf.d:/etc/nginx/conf.d"
+            - "$PWD/html:/usr/share/nginx/html"
+        networks:
+            - app_net
+        # 容器名称
+        container_name: "compose-nginx"
+    php:
+        build: ./php-mysqli
+        image: php:7.2-fpm-mysqli
+        ports:
+            - "9000:9000"
+        volumes:
+            - "$PWD/html:/var/www/html"
+        networks:
+            - app_net
+        container_name: "compose-php"
+    mysql:
+        image: mysql:5.7
+        ports:
+            - "3306:3306"
+        # 环境变量
+        environment:
+            # mysql密码
+            - MYSQL_ROOT_PASSWORD=123456
+        networks:
+            app_net:
+                # 固定子网ip，网段必须在子网络10.10.*.*
+                ipv4_address: 10.10.10.1
+        container_name: "compose-mysql"
+networks:
+    # 配置docker network
+    app_net:
+        driver: bridge
+        ipam:
+            config:
+                # 子网络
+                - subnet: 10.10.0.0/16

html/connect_mysql.php

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+<?php
+$link = mysqli_connect("172.18.0.2:3306", "root", "123456", "mysql");
+
+if (!$link) {
+    echo "Error: Unable to connect to MySQL." . PHP_EOL;
+    echo "</br>";
+
+    echo "Debugging errno: " . mysqli_connect_errno() . PHP_EOL;
+    echo "</br>";
+
+    echo "Debugging error: " . mysqli_connect_error() . PHP_EOL;
+    exit;
+}
+
+echo "Success: A proper connection to MySQL was made! The my_db database is great." . PHP_EOL. "\n";
+echo "Host information: " . mysqli_get_host_info($link) . PHP_EOL. "\n";
+
+mysqli_close($link);
+?>

html/index.php

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+<?php
+
+phpinfo();

php-mysqli/Dockerfile

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+FROM php:7.2-fpm
+
+RUN apt-get update \
+	&& apt-get install iputils-ping \
+	&& docker-php-ext-install mysqli && docker-php-ext-enable mysqli