我在使用laravel 5 / mysql应用程序访问我的docker容器中的管理员时遇到问题。我收到错误消息：
SQLSTATE[HY000] [2002] php_network_getaddresses: getaddrinfo failed: Name does not resolve
我的docker-compose.yml：
version: '3'
services:
votes_app:
build:
context: ./web
dockerfile: Dockerfile.yml
container_name: votes_app_container
environment:
- APACHE_RUN_USER=#1000
volumes:
- ${APP_PATH_HOST}:${APP_PTH_CONTAINER}
ports:
- 8081:80
working_dir: ${APP_PTH_CONTAINER}
votes_db:
image: mysql:5.6.41
container_name: votes_db_container
restart: always
environment:
MYSQL_ROOT_PASSWORD: 1
volumes:
- ${DB_PATH_HOST}:/var/lib/mysql
votes_adminer:
image: adminer
container_name: votes_adminer_container
restart: always
ports:
- 8082:8080
links:
- votes_db
votes_composer:
image: composer:1.6
container_name: votes_composer_container
volumes:
- ${APP_PATH_HOST}:${APP_PTH_CONTAINER}
working_dir: ${APP_PTH_CONTAINER}
command: composer install --ignore-platform-reqs
应用程序和数据库容器的端口不同。
在这里https://hub.docker.com/_/adminer/我发现：
与外部服务器一起使用您可以使用 ADMINER_DEFAULT_SERVER环境变量。如果您 连接到外部服务器或命名为Docker的Docker容器 除了默认数据库。
docker run -p 8080:8080 -e ADMINER_DEFAULT_SERVER=mysql adminer
在我的应用程序控制台中，我运行命令
$ docker run -p 8089:8080 -e ADMINER_DEFAULT_SERVER=votes_db adminer
我的应用程序端口未使用，并且此命令无论如何都没有成功，因为尝试登录到管理员https://imgur.com/a/4HCdC1W时遇到了相同的错误。
哪种方法是正确的？
已修改的块＃2：
在我的docker-compose.yml中：
version: '3'
services:
votes_app:
build:
context: ./web
dockerfile: Dockerfile.yml
container_name: votes_app_container
environment:
- APACHE_RUN_USER=#1000
volumes:
- ${APP_PATH_HOST}:${APP_PTH_CONTAINER}
ports:
- 8081:80
working_dir: ${APP_PTH_CONTAINER}
db:
image: mysql:5.6.41
restart: always
environment:
MYSQL_ROOT_PASSWORD: 1
volumes:
- ${DB_PATH_HOST}:/var/lib/mysql
adminer:
image: adminer
restart: always
ports:
- 8082:8080
links:
- db
votes_composer:
image: composer:1.6
container_name: votes_composer_container
volumes:
- ${APP_PATH_HOST}:${APP_PTH_CONTAINER}
working_dir: ${APP_PTH_CONTAINER}
command: composer install --ignore-platform-reqs
我重建了该应用程序，但未能登录到管理员：https://imgur.com/a/JWVGfBA
我在操作系统的控制台中运行，指向其他未使用的8089端口：
$ docker run -p 8089:8080 -e ADMINER_DEFAULT_SERVER=db adminer
PHP 7.2.11 Development Server started at Thu Nov 1 07:00:46 2018
[Thu Nov 1 07:01:11 2018] ::ffff:172.17.0.1:34048 [200]: /
[Thu Nov 1 07:01:20 2018] ::ffff:172.17.0.1:34052 [302]: /
[Thu Nov 1 07:01:21 2018] ::ffff:172.17.0.1:34060 [403]: /?server=db&username=root
但是再次错误地登录到管理员到8089端口，但是错误消息却不同：
怎么了？
已修改的块＃3：
我想是的，因为在重建容器之后，我进入了容器并在控制台输出中看到“ root”：
$ docker-compose exec votes_app bash
root@a4aa907373f5:/var/www/html# ls -la
total 1063
drwxrwxrwx 1 root root 4096 Oct 27 12:01 .
drwxr-xr-x 1 root root 4096 Oct 16 00:11 ..
-rwxrwxrwx 1 root root 234 Oct 13 07:15 .editorconfig
-rwxrwxrwx 1 root root 1029 Oct 31 06:10 .env
-rwxrwxrwx 1 root root 651 Oct 13 07:15 .env.example
drwxrwxrwx 1 root root 4096 Nov 1 11:10 .git
-rwxrwxrwx 1 root root 111 Oct 13 07:15 .gitattributes
-rwxrwxrwx 1 root root 294 Oct 13 07:15 .gitignore
-rwxrwxrwx 1 root root 4356 Oct 13 07:15 1.txt
drwxrwxrwx 1 root root 0 Oct 13 07:15 __DOCS
drwxrwxrwx 1 root root 0 Oct 13 07:15 __SQL
drwxrwxrwx 1 root root 4096 Oct 13 07:15 app
-rwxrwxrwx 1 root root 1686 Oct 13 07:15 artisan
drwxrwxrwx 1 root root 0 Oct 13 07:15 bootstrap
-rwxrwxrwx 1 root root 2408 Oct 13 07:15 composer.json
-rwxrwxrwx 1 root root 200799 Oct 13 07:15 composer.lock
drwxrwxrwx 1 root root 4096 Oct 13 07:15 config
drwxrwxrwx 1 root root 4096 Oct 13 07:15 database
-rwxrwxrwx 1 root root 52218 Oct 17 05:25 db_1_err.txt
-rwxrwxrwx 1 root root 482562 Oct 13 07:15 package-lock.json
-rwxrwxrwx 1 root root 1168 Oct 13 07:15 package.json
-rwxrwxrwx 1 root root 1246 Oct 13 07:15 phpunit.xml
drwxrwxrwx 1 root root 4096 Oct 13 07:15 public
-rwxrwxrwx 1 root root 66 Oct 13 07:15 readme.txt
drwxrwxrwx 1 root root 0 Oct 13 07:15 resources
drwxrwxrwx 1 root root 4096 Oct 13 07:15 routes
-rwxrwxrwx 1 root root 563 Oct 13 07:15 server.php
drwxrwxrwx 1 root root 4096 Oct 13 07:15 storage
drwxrwxrwx 1 root root 0 Oct 13 07:15 tests
drwxrwxrwx 1 root root 8192 Nov 1 13:05 vendor
-rwxrwxrwx 1 root root 1439 Oct 13 07:15 webpack.mix.js
-rwxrwxrwx 1 root root 261143 Oct 13 07:15 yarn.lock
root@a4aa907373f5:/var/www/html# echo $USER
root@a4aa907373f5:/var/www/html# uname -a
Linux a4aa907373f5 4.15.0-36-generic #39-Ubuntu SMP Mon Sep 24 16:19:09 UTC 2018 x86_64 GNU/Linux
反正可以发行吗？
已修改的4号区块
我重造了这个泊坞窗，设置了容器的默认名称（我想它引起了一些混乱），并设置了图像：composer：1.8最新版本 所以在我的docker-compose.yml中：
version: '3.1'
services:
web:
build:
context: ./web
dockerfile: Dockerfile.yml
environment:
- APACHE_RUN_USER=#1000
volumes:
- ${APP_PATH_HOST}:${APP_PTH_CONTAINER}
ports:
- 8081:80
working_dir: ${APP_PTH_CONTAINER}
db:
image: mysql:5.6.41
restart: always
environment:
MYSQL_ROOT_PASSWORD: 1
volumes:
- ${DB_PATH_HOST}:/var/lib/mysql
adminer:
image: adminer
restart: always
ports:
- 8082:8080
links:
- db
composer:
image: composer:1.8
volumes:
- ${APP_PATH_HOST}:${APP_PTH_CONTAINER}
working_dir: ${APP_PTH_CONTAINER}
command: composer install --ignore-platform-reqs
并在web / Dockerfile.yml中：
FROM php:7.2-apache
RUN apt-get update -y && apt-get install -y libpng-dev nano
RUN docker-php-ext-install \
pdo_mysql \
&& a2enmod \
rewrite
但是无论如何，在重建项目并连接到管理员后 http://127.0.0.1:8082 网址我收到错误：
SQLSTATE[HY000] [2002] php_network_getaddresses: getaddrinfo failed: Try again
P.S .： 我在同一本地安装了其他laravel 5.0 / php：5.6 / image：composer：1.6 / mcrypt安装的docker项目 我的笔记本电脑的服务器，对我来说还可以，我可以输入管理员并可以从此应用程序登录数据库。 该Docker项目具有以下文件：
docker-compose.yml：
version: '3.1'
services:
web:
build:
context: ./web
dockerfile: Dockerfile.yml
environment:
- APACHE_RUN_USER=#1000
volumes:
- ${APP_PATH_HOST}:${APP_PTH_CONTAINER}
ports:
- 8085:80
working_dir: ${APP_PTH_CONTAINER}
db:
image: mysql:5.5.62
restart: always
environment:
MYSQL_ROOT_PASSWORD: 1
volumes:
- ${DB_PATH_HOST}:/var/lib/mysql
adminer:
image: adminer
restart: always
ports:
- 8086:8080
links:
- db
composer:
image: composer:1.6
volumes:
- ${APP_PATH_HOST}:${APP_PTH_CONTAINER}
working_dir: ${APP_PTH_CONTAINER}
command: composer install --ignore-platform-reqs
和Dockerfile.yml：
FROM php:5.6-apache
RUN apt-get update -y && apt-get install -y libpng-dev nano libmcrypt-dev
RUN docker-php-ext-install \
pdo_mysql \
mcrypt \
&& a2enmod \
rewrite
此问题是否是某些php 7.2特定功能（例如缺少某些软件包？）
已修改的第5块： 定义为：
phpmyadmin:
depends_on:
- db
image: phpmyadmin/phpmyadmin
restart: always
ports:
- 8082:8080
environment:
PMA_HOST: db
MYSQL_ROOT_PASSWORD: 1
运行http://127.0.0.1:8082/时浏览器出现错误：
This site can’t be reached The webpage at http://127.0.0.1:8082/ might be temporarily down or it may have moved permanently to a new web address.
ERR_SOCKET_NOT_CONNECTED
尝试使用应用网址http://127.0.0.1:8081/public/时出现错误：
SQLSTATE[HY000] [2002] php_network_getaddresses: getaddrinfo failed: Temporary failure in name resolution
已修改的第6块： 我在docker-compose.yml中用phpmyadmin重制了：
version: '3.1'
services:
# docker run -p 8089:8080 -e ADMINER_DEFAULT_SERVER=db adminer
web:
# env_file:
# - ./mysql.env
build:
context: ./web
dockerfile: Dockerfile.yml
environment:
- APACHE_RUN_USER=#1000
volumes:
- ${APP_PATH_HOST}:${APP_PTH_CONTAINER}
ports:
- 8081:80
working_dir: ${APP_PTH_CONTAINER}
db:
image: mysql:5.6.41
restart: always
environment:
MYSQL_ROOT_PASSWORD: 1
volumes:
- ${DB_PATH_HOST}:/var/lib/mysql
phpmyadmin:
depends_on:
- db
image: phpmyadmin/phpmyadmin
restart: always
ports:
- 8082:80
environment:
PMA_HOST: db
MYSQL_ROOT_PASSWORD: 1
composer:
image: composer:1.8
volumes:
- ${APP_PATH_HOST}:${APP_PTH_CONTAINER}
working_dir: ${APP_PTH_CONTAINER}
command: composer install --ignore-platform-reqs
但尝试通过
登录phpMyAdminhttp://127.0.0.1:8082
我遇到了相同的错误：https://imgur.com/a/cGeudI6
我也有端口：
$ docker ps
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
471de34926b9 phpmyadmin/phpmyadmin "/run.sh supervisord…" 41 minutes ago Up 41 minutes 9000/tcp, 0.0.0.0:8082->80/tcp votes_docker_phpmyadmin_1
226fcdbeeb25 mysql:5.6.41 "docker-entrypoint.s…" 41 minutes ago Restarting (1) 49 seconds ago votes_docker_db_1
1cb1efb10561 votes_docker_web "docker-php-entrypoi…" 41 minutes ago Up 41 minutes 0.0.0.0:8081->80/tcp votes_docker_web_1
d6718cd16256 adminer "entrypoint.sh docke…" 13 hours ago Up About an hour 0.0.0.0:8088->8080/tcp ads_docker_adminer_1
1928a54e1d66 mysql:5.5.62 "docker-entrypoint.s…" 13 hours ago Up About an hour 3306/tcp ads_docker_db_1
e43b2a1e9cc7 adminer "entrypoint.sh docke…" 6 days ago Up About an hour 0.0.0.0:8086->8080/tcp youtubeapi_demo_adminer_1
47a034fca5a2 mysql:5.5.62 "docker-entrypoint.s…" 6 days ago Up About an hour 3306/tcp youtubeapi_demo_db_1
3dcc1a4ce8f0 adminer "entrypoint.sh docke…" 6 weeks ago Up About an hour 0.0.0.0:8083->8080/tcp lprods_adminer_container
933d9fffaf76 postgres:9.6.10-alpine "docker-entrypoint.s…" 6 weeks ago Up About an hour 0.0.0.0:5433->5432/tcp lprods_db_container
已修改的7号区块 我不确定我可以提供哪些调试信息，但是日志记录似乎有一些警告。他们关键吗？ 我可以提供哪些附加调试信息？
serge@serge:/mnt/_work_sdb8/wwwroot/lar/DockerApps/votes_docker$ docker-compose up -d --build
Creating network "votes_docker_default" with the default driver
Building web
Step 1/3 : FROM php:7.2-apache
---> cf1a377ba77f
Step 2/3 : RUN apt-get update -y && apt-get install -y libpng-dev nano
---> Using cache
---> 2c4bce73e8cc
Step 3/3 : RUN docker-php-ext-install pdo_mysql && a2enmod rewrite
---> Using cache
---> 241c9bf59ac0
Successfully built 241c9bf59ac0
Successfully tagged votes_docker_web:latest
Creating votes_docker_composer_1 ... done
Creating votes_docker_web_1 ... done
Creating votes_docker_db_1 ... done
Creating votes_docker_phpmyadmin_1 ... done
serge@serge:/mnt/_work_sdb8/wwwroot/lar/DockerApps/votes_docker$ clear
serge@serge:/mnt/_work_sdb8/wwwroot/lar/DockerApps/votes_docker$ docker logs --tail=20 votes_docker_web_1
AH00558: apache2: Could not reliably determine the server's fully qualified domain name, using 172.20.0.4. Set the 'ServerName' directive globally to suppress this message
AH00558: apache2: Could not reliably determine the server's fully qualified domain name, using 172.20.0.4. Set the 'ServerName' directive globally to suppress this message
[Wed Dec 26 12:26:34.113194 2018] [mpm_prefork:notice] [pid 1] AH00163: Apache/2.4.25 (Debian) PHP/7.2.11 configured -- resuming normal operations
[Wed Dec 26 12:26:34.113247 2018] [core:notice] [pid 1] AH00094: Command line: 'apache2 -D FOREGROUND'
serge@serge:/mnt/_work_sdb8/wwwroot/lar/DockerApps/votes_docker$ docker logs --tail=20 votes_docker_db_1
2018-12-26 12:26:43 1 [Note] Shutting down plugin 'INNODB_CMP_PER_INDEX'
2018-12-26 12:26:43 1 [Note] Shutting down plugin 'INNODB_CMPMEM_RESET'
2018-12-26 12:26:43 1 [Note] Shutting down plugin 'INNODB_CMPMEM'
2018-12-26 12:26:43 1 [Note] Shutting down plugin 'INNODB_CMP_RESET'
2018-12-26 12:26:43 1 [Note] Shutting down plugin 'INNODB_CMP'
2018-12-26 12:26:43 1 [Note] Shutting down plugin 'INNODB_LOCK_WAITS'
2018-12-26 12:26:43 1 [Note] Shutting down plugin 'INNODB_LOCKS'
2018-12-26 12:26:43 1 [Note] Shutting down plugin 'INNODB_TRX'
2018-12-26 12:26:43 1 [Note] Shutting down plugin 'BLACKHOLE'
2018-12-26 12:26:43 1 [Note] Shutting down plugin 'ARCHIVE'
2018-12-26 12:26:43 1 [Note] Shutting down plugin 'MRG_MYISAM'
2018-12-26 12:26:43 1 [Note] Shutting down plugin 'MyISAM'
2018-12-26 12:26:43 1 [Note] Shutting down plugin 'MEMORY'
2018-12-26 12:26:43 1 [Note] Shutting down plugin 'CSV'
2018-12-26 12:26:43 1 [Note] Shutting down plugin 'sha256_password'
2018-12-26 12:26:43 1 [Note] Shutting down plugin 'mysql_old_password'
2018-12-26 12:26:43 1 [Note] Shutting down plugin 'mysql_native_password'
2018-12-26 12:26:43 1 [Note] Shutting down plugin 'binlog'
2018-12-26 12:26:43 1 [Note] mysqld: Shutdown complete
serge@serge:/mnt/_work_sdb8/wwwroot/lar/DockerApps/votes_docker$ docker logs --tail=20 votes_docker_composer_1
> @php artisan package:discover
Discovered Package: aloha/twilio
Discovered Package: barryvdh/laravel-debugbar
Discovered Package: beyondcode/laravel-dump-server
Discovered Package: cviebrock/eloquent-sluggable
Discovered Package: davejamesmiller/laravel-breadcrumbs
Discovered Package: fideloper/proxy
Discovered Package: intervention/image
Discovered Package: itsgoingd/clockwork
Discovered Package: jrean/laravel-user-verification
Discovered Package: laravel/tinker
Discovered Package: laravelcollective/html
Discovered Package: mews/captcha
Discovered Package: nesbot/carbon
Discovered Package: nunomaduro/collision
Discovered Package: proengsoft/laravel-jsvalidation
Discovered Package: rap2hpoutre/laravel-log-viewer
Discovered Package: themsaid/laravel-mail-preview
Discovered Package: yajra/laravel-datatables-oracle
Package manifest generated successfully.
serge@serge:/mnt/_work_sdb8/wwwroot/lar/DockerApps/votes_docker$ docker logs --tail=20 votes_docker_phpmyadmin_1
phpMyAdmin not found in /var/www/html - copying now...
Complete! phpMyAdmin has been successfully copied to /var/www/html
/usr/lib/python2.7/site-packages/supervisor/options.py:461: UserWarning: Supervisord is running as root and it is searching for its configuration file in default locations (including its current working directory);
you probably want to specify a "-c" argument specifying an absolute path to a configuration file for improved security.
'Supervisord is running as root and it is searching '
2018-12-26 12:26:35,973 CRIT Supervisor is running as root. Privileges were not dropped because no user is specified in the config file. If you intend to run as root, you can set user=root in the config file to av
oid this message.
2018-12-26 12:26:35,973 INFO Included extra file "/etc/supervisor.d/nginx.ini" during parsing
2018-12-26 12:26:35,973 INFO Included extra file "/etc/supervisor.d/php.ini" during parsing
2018-12-26 12:26:35,984 INFO RPC interface 'supervisor' initialized
2018-12-26 12:26:35,984 CRIT Server 'unix_http_server' running without any HTTP authentication checking
2018-12-26 12:26:35,984 INFO supervisord started with pid 1
2018-12-26 12:26:36,986 INFO spawned: 'php-fpm' with pid 23
2018-12-26 12:26:36,988 INFO spawned: 'nginx' with pid 24
[26-Dec-2018 12:26:37] NOTICE: fpm is running, pid 23
[26-Dec-2018 12:26:37] NOTICE: ready to handle connections
2018-12-26 12:26:38,094 INFO success: php-fpm entered RUNNING state, process has stayed up for > than 1 seconds (startsecs)
2018-12-26 12:26:38,095 INFO success: nginx entered RUNNING state, process has stayed up for > than 1 seconds (startsecs)
怎么了？
谢谢！
答案 0 :(得分：2)
您的设置存在问题是由于环境变量DB_PATH_HOST。您已经在撰写文件中设置了所有功能。但是在运行docker-compose之前，应该先定义环境变量DB_PATH_HOST。由于未定义环境变量，因此会引发错误。 See this for more details on Environment variables and it's precedence in Docker.
因此，您应该做的是，在启动docker容器之前，您应该已经定义环境变量，方法是在运行docker-compose之前在compose文件中定义环境变量或将其作为shell变量导出到shell中，或者应该使用env文件或在dockerfile中使用ENV指令。 （这些是定义环境变量的所有可能方法，我已经列出了所有这些方法，首先使用的方法优先。 refer this for more info ）。
因此正确的 docker-compose.yml 文件应如下所示。
version: '3.2'
services:
db:
image: mysql:5.6.41
restart: always
environment:
MYSQL_ROOT_PASSWORD: 1
DB_PATH_HOST: /tmp/mysql #this is the host location where mysql data will be stored.
volumes:
- ${DB_PATH_HOST}:/var/lib/mysql
phpmyadmin:
depends_on:
- db
image: phpmyadmin/phpmyadmin
restart: always
ports:
- 8082:80
environment:
PMA_HOST: db
MYSQL_ROOT_PASSWORD: 1
现在转到下一点，我从您的讨论中看到，您得出的结论是，从db容器中删除卷可以解决您的问题。但实际上不是。怎么样？
首先让我解释一下为什么在这里使用音量。我的mysql生成的数据应存储在某个地方。 Docker默认情况下以非持久模式运行容器，这意味着当该容器被降下/杀死时，正在运行的docker容器生成的所有数据将被擦除。因此，为了持久化（存储/保存）数据，我们使用卷。泊坞窗中使用了不同类型的卷。 I encourage you to read Storage documentation of docker for more details。此处使用的卷类型是绑定装载，即，您将主机目录绑定到docker目录，并且docker将所有数据直接存储在主机中，这样即使docker container被关闭，数据也仍然保留。
因此，如果您不在mysql中使用卷，则无论您做什么，所有的数据库更改都会在容器停止时丢失。
docker build或docker-compose build使用Dockerfile创建Docker容器，除非您在Dockerfile上指定了一条指令创建并使用新用户将以root用户身份运行所有内容。mysql和 uid和gid为999 。因此/ tmp / mysql将拥有999：999作为所有权。如果这些ID与系统中的任何其他用户帐户映射，则在主机上执行ls -al时，您将看到这些名称而不是ID。如果未映射ID，那么您将直接看到ID。答案 1 :(得分：1)
您可以在中看到它 https://hub.docker.com/_/adminer/
示例
version: '3.1'
services:
adminer:
image: adminer
restart: always
ports:
- 8080:8080
db:
image: mysql:5.6
restart: always
environment:
MYSQL_ROOT_PASSWORD: example
答案 2 :(得分：1)
尝试使用phpMyAdmin：）
version: '3.2'
services:
db:
image: mysql:5.7
restart: always
environment:
MYSQL_ROOT_PASSWORD: myUserPass
MYSQL_DATABASE: mydb
MYSQL_USER: myUser
MYSQL_PASSWORD: myUser
phpmyadmin:
depends_on:
- db
image: phpmyadmin/phpmyadmin
restart: always
ports:
- 8088:80
environment:
PMA_HOST: db
MYSQL_ROOT_PASSWORD: myUserPass
答案 3 :(得分：0)
该问题已得到解答，但在此处将我的解决方案添加到类似问题中以供参考。
在我的docker-compose phpmyadmin / adminer服务块中添加一个'links'参数对我来说也解决了这个问题，基于这样的假设，即数据库块的服务名称实际上也是db，就像上面回答的示例中使用的那样。通过该链接，可以在phpmyadmin登录界面中使用“ db”作为主机，它将进行连接。
links:
- db:db
答案 4 :(得分：0)
将 mysql 图像的容器名称更改为 db 对我来说有所不同 您可以在 https://hub.docker.com/_/adminer/
中查看相关信息服务： D b： 图片：mysql:5.6