为什么我的 docker 中没有创建 MySQL 映像？ [复制]答案

【问题标题】：Why isn't MySQL image being created in my docker? [duplicate]为什么我的 docker 中没有创建 MySQL 映像？ [复制]
【发布时间】：2021-12-25 18:08:56
【问题描述】：

在运行docker-compose up -d --build 后跟docker ps（检查图像）后，MySQL 图像不存在。

ping 我的 API 端点时，我收到此错误：SQLSTATE[HY000] [2002] No such file or directory (SQL: select count(*) as aggregate fro userswhereemail = test@test.com)

docker-compose.yml 文件中的数据库凭据与 .env 文件中的内容相匹配，仅供参考，因此我们可以排除这是可能的问题。

我强烈怀疑这是因为在运行 docker ps 时不存在 MySQL 映像。

为了纠正这个问题，我尝试运行 docker-compose up testApp - 它没有解决它，因为我运行了 docker ps 并且 MySQL 映像仍然没有显示

为什么会发生这种情况，我该如何解决它以便可以连接到本地 MySQL 数据库？

docker-compose.yml文件：

version: "3.7"
services:
  app:
    build:
      args:
        user: sammy
        uid: 1000
      context: ./
      dockerfile: Dockerfile.dev
    working_dir: /var/www/
    environment:
      - COMPOSER_MEMORY_LIMIT=-1
    depends_on:
      - db
    volumes:
      - ./:/var/www
    networks:
      - lahmi

  testApp:
    image: mysql:5.7
    platform: linux/x86_64
    environment:
      MYSQL_DATABASE: ${DB_DATABASE}
      MYSQL_ROOT_PASSWORD: ${DB_PASSWORD}
      MYSQL_PASSWORD: ${DB_PASSWORD}
      MYSQL_USER: ${DB_USERNAME}
      SERVICE_TAGS: dev
      SERVICE_NAME: mysql
    volumes:
      - dbdata:/var/lib/mysql
      - ./docker-compose/mysql/my.cnf:/etc/mysql/my.cnf
      - ./docker-compose/mysql/init:/docker-entrypoint-initdb.d
    ports:
      - 3307:3306
    networks:
      - lahmi

  nginx:
    image: nginx:alpine
    ports:
      - 8005:80
    depends_on:
      - db
      - app
    volumes:
      - ./:/var/www
      - ./docker-compose/nginx:/etc/nginx/conf.d/
    networks:
      - lahmi

networks:
  lahmi:
    driver: bridge

volumes:
  dbdata:
    driver: local

这是docker-compose up testApp的输出：

[+] Running 1/0
⠿ Container testApp-testApp-1  Created                                                                                                                                                                                              0.0s
Attaching to testApp-testApp-1
testApp-testApp-1  | 2021-11-13 23:04:40+00:00 [Note] [Entrypoint]: Entrypoint script for MySQL Server 5.7.36-1debian10 started.
testApp-testApp-1  | 2021-11-13 23:04:40+00:00 [Note] [Entrypoint]: Switching to dedicated user 'mysql'
testApp-testApp-1  | 2021-11-13 23:04:40+00:00 [Note] [Entrypoint]: Entrypoint script for MySQL Server 5.7.36-1debian10 started.
testApp-testApp-1  | 2021-11-13 23:04:41+00:00 [ERROR] [Entrypoint]: MYSQL_USER="root", MYSQL_USER and MYSQL_PASSWORD are for configuring a regular user and cannot be used for the root user
testApp-testApp-1  |     Remove MYSQL_USER="root" and use one of the following to control the root user password:
testApp-testApp-1  |     - MYSQL_ROOT_PASSWORD
testApp-testApp-1  |     - MYSQL_ALLOW_EMPTY_PASSWORD
testApp-testApp-1  |     - MYSQL_RANDOM_ROOT_PASSWORD
testApp-testApp-1 exited with code 1

通过docker-compose logs记录日志：

testApp-testApp-1  |
testApp-testApp-1  | ERROR: mysqld failed while attempting to check config
testApp-testApp-1  | command was: "mysqld --verbose --help"
testApp-testApp-1  |
testApp-testApp-1  | mysqld: Error on realpath() on '/var/lib/mysql-files' (Error 2 - No such file or directory)
testApp-testApp-1  | 2021-11-13T23:57:57.676571Z 0 [ERROR] [MY-010095] [Server] Failed to access directory for --secure-file-priv. Please make sure that directory exists and is accessible by MySQL Server. Supplied value : /var/lib/mysql-files
testApp-testApp-1  | 2021-11-13T23:57:57.690269Z 0 [ERROR] [MY-010119] [Server] Aborting
testApp-testApp-1  |
testApp-testApp-1  | ERROR: mysqld failed while attempting to check config
testApp-testApp-1  | command was: "mysqld --verbose --help"
testApp-testApp-1  |
testApp-testApp-1  | mysqld: Error on realpath() on '/var/lib/mysql-files' (Error 2 - No such file or directory)
testApp-testApp-1  | 2021-11-13T23:58:20.142446Z 0 [ERROR] [MY-010095] [Server] Failed to access directory for --secure-file-priv. Please make sure that directory exists and is accessible by MySQL Server. Supplied value : /var/lib/mysql-files
testApp-app-1     | [13-Nov-2021 23:58:20] NOTICE: [pool www] 'user' directive is ignored when FPM is not running as root
testApp-testApp-1  | 2021-11-13T23:58:20.156224Z 0 [ERROR] [MY-010119] [Server] Aborting
testApp-app-1     | [13-Nov-2021 23:58:20] NOTICE: [pool www] 'user' directive is ignored when FPM is not running as root
testApp-app-1     | [13-Nov-2021 23:58:20] NOTICE: [pool www] 'group' directive is ignored when FPM is not running as root
testApp-app-1     | [13-Nov-2021 23:58:20] NOTICE: [pool www] 'group' directive is ignored when FPM is not running as root
testApp-app-1     | [13-Nov-2021 23:58:20] NOTICE: fpm is running, pid 1
testApp-app-1     | [13-Nov-2021 23:58:20] NOTICE: ready to handle connections
testApp-app-1     | 172.18.0.3 -  14/Nov/2021:00:01:42 +0000 "POST /index.php" 500
testApp-nginx-1   | /docker-entrypoint.sh: /docker-entrypoint.d/ is not empty, will attempt to perform configuration
testApp-nginx-1   | /docker-entrypoint.sh: Looking for shell scripts in /docker-entrypoint.d/
testApp-nginx-1   | /docker-entrypoint.sh: Launching /docker-entrypoint.d/10-listen-on-ipv6-by-default.sh
testApp-nginx-1   | 10-listen-on-ipv6-by-default.sh: info: Getting the checksum of /etc/nginx/conf.d/default.conf
testApp-nginx-1   | 10-listen-on-ipv6-by-default.sh: info: /etc/nginx/conf.d/default.conf differs from the packaged version
testApp-nginx-1   | /docker-entrypoint.sh: Launching /docker-entrypoint.d/20-envsubst-on-templates.sh
testApp-nginx-1   | /docker-entrypoint.sh: Launching /docker-entrypoint.d/30-tune-worker-processes.sh
testApp-nginx-1   | /docker-entrypoint.sh: Configuration complete; ready for start up
testApp-nginx-1   | 2021/11/13 23:58:21 [notice] 1#1: using the "epoll" event method
testApp-nginx-1   | 2021/11/13 23:58:21 [notice] 1#1: nginx/1.21.4
testApp-nginx-1   | 2021/11/13 23:58:21 [notice] 1#1: built by gcc 10.3.1 20210424 (Alpine 10.3.1_git20210424)
testApp-nginx-1   | 2021/11/13 23:58:21 [notice] 1#1: OS: Linux 5.10.47-linuxkit
testApp-nginx-1   | 2021/11/13 23:58:21 [notice] 1#1: getrlimit(RLIMIT_NOFILE): 1048576:1048576
testApp-nginx-1   | 2021/11/13 23:58:21 [notice] 1#1: start worker processes
testApp-nginx-1   | 2021/11/13 23:58:21 [notice] 1#1: start worker process 31
testApp-nginx-1   | 2021/11/13 23:58:21 [notice] 1#1: start worker process 32
testApp-nginx-1   | 172.18.0.1 - - [14/Nov/2021:00:01:44 +0000] "POST /api/register HTTP/1.1" 500 15495 "-" "PostmanRuntime/7.28.4"

【问题讨论】：

你是reposting吗？
@matiaslauriti 是的，很抱歉...如果您愿意，可以关闭此问题。我几乎整天都在苦苦挣扎，但还是有用的:(
@gp_sflover 这最初是我的问题:) 尽管我最后的评论说它有效，但事实证明它并没有因为 mysql docker 映像仍然丢失。这篇文章就在这里，你刚刚评论的那个，有更多的细节。
日志到底能告诉你什么？ docker-compose logs 或 docker logs <container>
@Jaquarh 查看我对原始帖子的最新评论，我已经发布了docker-compose logs :)

标签： php laravel docker debugging docker-compose

【解决方案1】：

错误非常直接...您正在使用root 作为普通用户...阅读日志...

testApp-testApp-1  | 2021-11-13 23:04:41+00:00 [ERROR] [Entrypoint]: MYSQL_USER="root", MYSQL_USER and MYSQL_PASSWORD are for configuring a regular user and cannot be used for the root user
testApp-testApp-1  |     Remove MYSQL_USER="root" and use one of the following to control the root user password:

您在最初的问题中还告诉我没有日志...它是空的...

【讨论】：

是的，但在这些日志出于某种原因根本没有出现之前，但现在它们出现了。现在我知道该怎么做了