MariaDB 连接被拒绝（NGINX，MariaDB，php-fpm）SQLSTATE[HY000] [2002] 连接被拒绝
MariaDB Connection refused (NGINX , MariaDB, php-fpm) SQLSTATE[HY000] [2002] Connection refused
获取 SQLSTATE[HY000] [2002] 向 MariaDB 发送查询时连接被拒绝
下面是 link 我的 docker-compose build
https://github.com/bocasoftware/docker-compose
--- 重要这是 data.sql 文件（不在 github 存储库文件中，但它在我的构建中）：
https://gitlab.com/x-team-blog/docker-compose-php/blob/master/docker/database/data.sql
这是我的文档tree/layout:
myapp
├── docker
│ ├── app
│ │ └── Dockerfile
│ ├── db
│ │ ├── data.sql
│ │ └── Dockerfile
│ ├── docker-compose.yml
│ └── nginx
│ ├── conf.d
│ │ └── default.conf
│ ├── Dockerfile
│ ├── nginx.conf
│ └── sites
│ └── default.conf
└── src
├── html
└── index.php
这是我的 index.php，其中包含查询：
<?php
$value = "World";
try {
$db = new PDO('mysql:host=db;dbname=mydb;charset=utf8mb4', 'myuser', 'secret');
$databaseTest = ($db->query('SELECT * FROM dockerSample'))-
>fetchAll(PDO::FETCH_OBJ);
} catch (Exception $e) {
print $e->getMessage() . "\n";
}
print "OK\n";
?>
<html>
<body>
<h1>Hello, <?= $value ?>!</h1>
<?php foreach($databaseTest as $row): ?>
<p>Hello, <?= $row->name ?></p>
<?php endforeach; ?>
</body>
</html>
这是我的 docker-compose.yml:
版本：'3'
services:
app:
build:
context: ./app
volumes:
- ../src:/var/www
nginx:
build:
context: ./nginx
volumes:
- ../src:/var/www
- ./nginx/nginx.conf:/etc/nginx/nginx.conf
- ./nginx/sites/:/etc/nginx/sites-available
- ./nginx/conf.d/:/etc/nginx/conf.d
depends_on:
- app
ports:
- "80:80"
- "443:443"
db:
build:
context: ./db
ports:
- "3306:3306"
environment:
- MYSQL_DATABASE=mydb
- MYSQL_USER=myuser
- MYSQL_PASSWORD=secret
- MYSQL_ROOT_PASSWORD=docker
volumes:
- ./db/data.sql:/docker-entrypoint-initdb.d/data.sql
我不明白这是怎么回事。看来我正在访问 MariaDB，但它拒绝我的连接，尽管检查了端口、用户和密码以及修剪卷、删除容器、删除图像并从头开始重新构建它们。
docker ps:
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
23ae6d48e413 docker_nginx "nginx" About an hour ago Up 13 minutes 0.0.0.0:80->80/tcp, 0.0.0.0:443->443/tcp, 8080/tcp docker_nginx_1
d84c3b348266 docker_app "docker-php-entrypoi…" About an hour ago Up 13 minutes 9000/tcp docker_app_1
5ba1e7d36f91 docker_db "docker-entrypoint.s…" About an hour ago Up 13 minutes 3306/tcp docker_db_1
构建日志：
Building db
Step 1/3 : FROM mariadb:latest
---> 2f11cf2ec189
Step 2/3 : CMD ["mysqld"]
---> Using cache
---> 9f5dd0c62210
Step 3/3 : EXPOSE 3306
---> Using cache
---> fe82aa37cc8d
Successfully built fe82aa37cc8d
Successfully tagged docker_db:latest
Building app
Step 1/4 : FROM php:fpm-alpine
---> aac18a94faf7
Step 2/4 : RUN docker-php-ext-install pdo_mysql
---> Using cache
---> 886e00ce8edc
Step 3/4 : CMD ["php-fpm"]
---> Using cache
---> 90bf05e46cc5
Step 4/4 : EXPOSE 9000
---> Using cache
---> 2e9cb9be36b7
Successfully built 2e9cb9be36b7
Successfully tagged docker_app:latest
Building nginx
Step 1/3 : FROM nginx:alpine
---> a624d888d69f
Step 2/3 : CMD ["nginx"]
---> Using cache
---> 767651bd1614
Step 3/3 : EXPOSE 8080 443
---> Using cache
---> 6fc1df24d4e4
Successfully built 6fc1df24d4e4
Successfully tagged docker_nginx:latest
Starting docker_db_1 ...
Starting docker_db_1 ... done
Starting docker_app_1 ...
Starting docker_app_1 ... done
Starting docker_nginx_1 ...
Starting docker_nginx_1 ... done
Attaching to docker_db_1, docker_app_1, docker_nginx_1
db_1 | 2020-01-06 18:17:42+00:00 [Note] [Entrypoint]: Entrypoint script for MySQL Server 1:10.4.11+maria~bionic started.
app_1 | [06-Jan-2020 18:17:44] NOTICE: fpm is running, pid 1
db_1 | 2020-01-06 18:17:43+00:00 [Note] [Entrypoint]: Switching to dedicated user 'mysql'
db_1 | 2020-01-06 18:17:43+00:00 [Note] [Entrypoint]: Entrypoint script for MySQL Server 1:10.4.11+maria~bionic started.
app_1 | [06-Jan-2020 18:17:44] NOTICE: ready to handle connections
db_1 | 2020-01-06 18:17:43 0 [Note] mysqld (mysqld 10.4.11-MariaDB-1:10.4.11+maria~bionic) starting as process 1 ...
db_1 | 2020-01-06 18:17:43 0 [Note] InnoDB: Using Linux native AIO
db_1 | 2020-01-06 18:17:43 0 [Note] InnoDB: Mutexes and rw_locks use GCC atomic builtins
db_1 | 2020-01-06 18:17:43 0 [Note] InnoDB: Uses event mutexes
db_1 | 2020-01-06 18:17:43 0 [Note] InnoDB: Compressed tables use zlib 1.2.11
db_1 | 2020-01-06 18:17:43 0 [Note] InnoDB: Number of pools: 1
db_1 | 2020-01-06 18:17:43 0 [Note] InnoDB: Using SSE2 crc32 instructions
db_1 | 2020-01-06 18:17:43 0 [Note] mysqld: O_TMPFILE is not supported on /tmp (disabling future attempts)
db_1 | 2020-01-06 18:17:43 0 [Note] InnoDB: Initializing buffer pool, total size = 256M, instances = 1, chunk size = 128M
db_1 | 2020-01-06 18:17:43 0 [Note] InnoDB: Completed initialization of buffer pool
db_1 | 2020-01-06 18:17:43 0 [Note] InnoDB: If the mysqld execution user is authorized, page cleaner thread priority can be changed. See the man page of setpriority().
db_1 | 2020-01-06 18:17:44 0 [Note] InnoDB: 128 out of 128 rollback segments are active.
db_1 | 2020-01-06 18:17:44 0 [Note] InnoDB: Creating shared tablespace for temporary tables
db_1 | 2020-01-06 18:17:44 0 [Note] InnoDB: Setting file './ibtmp1' size to 12 MB. Physically writing the file full; Please wait ...
db_1 | 2020-01-06 18:17:44 0 [Note] InnoDB: File './ibtmp1' size is now 12 MB.
db_1 | 2020-01-06 18:17:44 0 [Note] InnoDB: 10.4.11 started; log sequence number 6837896; transaction id 7512
db_1 | 2020-01-06 18:17:44 0 [Note] InnoDB: Loading buffer pool(s) from /var/lib/mysql/ib_buffer_pool
db_1 | 2020-01-06 18:17:44 0 [Note] Plugin 'FEEDBACK' is disabled.
db_1 | 2020-01-06 18:17:44 0 [Note] Server socket created on IP: '::'.
db_1 | 2020-01-06 18:17:44 0 [Warning] 'user' entry 'root@5ba1e7d36f91' ignored in --skip-name-resolve mode.
db_1 | 2020-01-06 18:17:44 0 [Warning] 'user' entry '@5ba1e7d36f91' ignored in --skip-name-resolve mode.
db_1 | 2020-01-06 18:17:44 0 [Warning] 'proxies_priv' entry '@% root@5ba1e7d36f91' ignored in --skip-name-resolve mode.
db_1 | 2020-01-06 18:17:44 0 [Note] Reading of all Master_info entries succeeded
db_1 | 2020-01-06 18:17:44 0 [Note] Added new Master_info '' to hash table
db_1 | 2020-01-06 18:17:44 0 [Note] mysqld: ready for connections.
db_1 | Version: '10.4.11-MariaDB-1:10.4.11+maria~bionic' socket: '/var/run/mysqld/mysqld.sock' port: 3306 mariadb.org binary distribution
db_1 | 2020-01-06 18:17:45 0 [Note] InnoDB: Buffer pool(s) load completed at 200106 18:17:45
添加
depends_on:
- db
应用
获取 SQLSTATE[HY000] [2002] 向 MariaDB 发送查询时连接被拒绝
下面是 link 我的 docker-compose build
https://github.com/bocasoftware/docker-compose
--- 重要这是 data.sql 文件（不在 github 存储库文件中，但它在我的构建中）：
https://gitlab.com/x-team-blog/docker-compose-php/blob/master/docker/database/data.sql
这是我的文档tree/layout:
myapp
├── docker
│ ├── app
│ │ └── Dockerfile
│ ├── db
│ │ ├── data.sql
│ │ └── Dockerfile
│ ├── docker-compose.yml
│ └── nginx
│ ├── conf.d
│ │ └── default.conf
│ ├── Dockerfile
│ ├── nginx.conf
│ └── sites
│ └── default.conf
└── src
├── html
└── index.php
这是我的 index.php，其中包含查询：
<?php
$value = "World";
try {
$db = new PDO('mysql:host=db;dbname=mydb;charset=utf8mb4', 'myuser', 'secret');
$databaseTest = ($db->query('SELECT * FROM dockerSample'))-
>fetchAll(PDO::FETCH_OBJ);
} catch (Exception $e) {
print $e->getMessage() . "\n";
}
print "OK\n";
?>
<html>
<body>
<h1>Hello, <?= $value ?>!</h1>
<?php foreach($databaseTest as $row): ?>
<p>Hello, <?= $row->name ?></p>
<?php endforeach; ?>
</body>
</html>
这是我的 docker-compose.yml:
版本：'3'
services:
app:
build:
context: ./app
volumes:
- ../src:/var/www
nginx:
build:
context: ./nginx
volumes:
- ../src:/var/www
- ./nginx/nginx.conf:/etc/nginx/nginx.conf
- ./nginx/sites/:/etc/nginx/sites-available
- ./nginx/conf.d/:/etc/nginx/conf.d
depends_on:
- app
ports:
- "80:80"
- "443:443"
db:
build:
context: ./db
ports:
- "3306:3306"
environment:
- MYSQL_DATABASE=mydb
- MYSQL_USER=myuser
- MYSQL_PASSWORD=secret
- MYSQL_ROOT_PASSWORD=docker
volumes:
- ./db/data.sql:/docker-entrypoint-initdb.d/data.sql
我不明白这是怎么回事。看来我正在访问 MariaDB，但它拒绝我的连接，尽管检查了端口、用户和密码以及修剪卷、删除容器、删除图像并从头开始重新构建它们。
docker ps:
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
23ae6d48e413 docker_nginx "nginx" About an hour ago Up 13 minutes 0.0.0.0:80->80/tcp, 0.0.0.0:443->443/tcp, 8080/tcp docker_nginx_1
d84c3b348266 docker_app "docker-php-entrypoi…" About an hour ago Up 13 minutes 9000/tcp docker_app_1
5ba1e7d36f91 docker_db "docker-entrypoint.s…" About an hour ago Up 13 minutes 3306/tcp docker_db_1
构建日志：
Building db
Step 1/3 : FROM mariadb:latest
---> 2f11cf2ec189
Step 2/3 : CMD ["mysqld"]
---> Using cache
---> 9f5dd0c62210
Step 3/3 : EXPOSE 3306
---> Using cache
---> fe82aa37cc8d
Successfully built fe82aa37cc8d
Successfully tagged docker_db:latest
Building app
Step 1/4 : FROM php:fpm-alpine
---> aac18a94faf7
Step 2/4 : RUN docker-php-ext-install pdo_mysql
---> Using cache
---> 886e00ce8edc
Step 3/4 : CMD ["php-fpm"]
---> Using cache
---> 90bf05e46cc5
Step 4/4 : EXPOSE 9000
---> Using cache
---> 2e9cb9be36b7
Successfully built 2e9cb9be36b7
Successfully tagged docker_app:latest
Building nginx
Step 1/3 : FROM nginx:alpine
---> a624d888d69f
Step 2/3 : CMD ["nginx"]
---> Using cache
---> 767651bd1614
Step 3/3 : EXPOSE 8080 443
---> Using cache
---> 6fc1df24d4e4
Successfully built 6fc1df24d4e4
Successfully tagged docker_nginx:latest
Starting docker_db_1 ...
Starting docker_db_1 ... done
Starting docker_app_1 ...
Starting docker_app_1 ... done
Starting docker_nginx_1 ...
Starting docker_nginx_1 ... done
Attaching to docker_db_1, docker_app_1, docker_nginx_1
db_1 | 2020-01-06 18:17:42+00:00 [Note] [Entrypoint]: Entrypoint script for MySQL Server 1:10.4.11+maria~bionic started.
app_1 | [06-Jan-2020 18:17:44] NOTICE: fpm is running, pid 1
db_1 | 2020-01-06 18:17:43+00:00 [Note] [Entrypoint]: Switching to dedicated user 'mysql'
db_1 | 2020-01-06 18:17:43+00:00 [Note] [Entrypoint]: Entrypoint script for MySQL Server 1:10.4.11+maria~bionic started.
app_1 | [06-Jan-2020 18:17:44] NOTICE: ready to handle connections
db_1 | 2020-01-06 18:17:43 0 [Note] mysqld (mysqld 10.4.11-MariaDB-1:10.4.11+maria~bionic) starting as process 1 ...
db_1 | 2020-01-06 18:17:43 0 [Note] InnoDB: Using Linux native AIO
db_1 | 2020-01-06 18:17:43 0 [Note] InnoDB: Mutexes and rw_locks use GCC atomic builtins
db_1 | 2020-01-06 18:17:43 0 [Note] InnoDB: Uses event mutexes
db_1 | 2020-01-06 18:17:43 0 [Note] InnoDB: Compressed tables use zlib 1.2.11
db_1 | 2020-01-06 18:17:43 0 [Note] InnoDB: Number of pools: 1
db_1 | 2020-01-06 18:17:43 0 [Note] InnoDB: Using SSE2 crc32 instructions
db_1 | 2020-01-06 18:17:43 0 [Note] mysqld: O_TMPFILE is not supported on /tmp (disabling future attempts)
db_1 | 2020-01-06 18:17:43 0 [Note] InnoDB: Initializing buffer pool, total size = 256M, instances = 1, chunk size = 128M
db_1 | 2020-01-06 18:17:43 0 [Note] InnoDB: Completed initialization of buffer pool
db_1 | 2020-01-06 18:17:43 0 [Note] InnoDB: If the mysqld execution user is authorized, page cleaner thread priority can be changed. See the man page of setpriority().
db_1 | 2020-01-06 18:17:44 0 [Note] InnoDB: 128 out of 128 rollback segments are active.
db_1 | 2020-01-06 18:17:44 0 [Note] InnoDB: Creating shared tablespace for temporary tables
db_1 | 2020-01-06 18:17:44 0 [Note] InnoDB: Setting file './ibtmp1' size to 12 MB. Physically writing the file full; Please wait ...
db_1 | 2020-01-06 18:17:44 0 [Note] InnoDB: File './ibtmp1' size is now 12 MB.
db_1 | 2020-01-06 18:17:44 0 [Note] InnoDB: 10.4.11 started; log sequence number 6837896; transaction id 7512
db_1 | 2020-01-06 18:17:44 0 [Note] InnoDB: Loading buffer pool(s) from /var/lib/mysql/ib_buffer_pool
db_1 | 2020-01-06 18:17:44 0 [Note] Plugin 'FEEDBACK' is disabled.
db_1 | 2020-01-06 18:17:44 0 [Note] Server socket created on IP: '::'.
db_1 | 2020-01-06 18:17:44 0 [Warning] 'user' entry 'root@5ba1e7d36f91' ignored in --skip-name-resolve mode.
db_1 | 2020-01-06 18:17:44 0 [Warning] 'user' entry '@5ba1e7d36f91' ignored in --skip-name-resolve mode.
db_1 | 2020-01-06 18:17:44 0 [Warning] 'proxies_priv' entry '@% root@5ba1e7d36f91' ignored in --skip-name-resolve mode.
db_1 | 2020-01-06 18:17:44 0 [Note] Reading of all Master_info entries succeeded
db_1 | 2020-01-06 18:17:44 0 [Note] Added new Master_info '' to hash table
db_1 | 2020-01-06 18:17:44 0 [Note] mysqld: ready for connections.
db_1 | Version: '10.4.11-MariaDB-1:10.4.11+maria~bionic' socket: '/var/run/mysqld/mysqld.sock' port: 3306 mariadb.org binary distribution
db_1 | 2020-01-06 18:17:45 0 [Note] InnoDB: Buffer pool(s) load completed at 200106 18:17:45
添加
depends_on:
- db
应用