[英]cURL between Docker service php-fpm containers results in “Connection refused”
在寻找答案 2 周后,深入了解 docker 组合和 docker 网络文档,我想在这里寻求一些帮助。
I am creating two Web API services, let's called them a back API ( back.api.dev
) and a front API ( front.api.dev
).
到目前为止我尝试了什么:
The back API is connected to a MySQL database, and the front API only sends cURL requests to the back API. 这两个 API 均基于 Symfony 构建,并由 docker PHP-FPM 容器处理。 一切都由 docker Apache 2.4 容器提供服务。
通过 Postman 和 cURL 请求发送请求到back.api.dev
和front.api.dev
都工作得很好。 它既适用于我的主机,也适用于 Apache 容器。 我还将127.0.0.1 back.api.dev
和127.0.0.1 front.api.dev
添加到我的/etc/hosts
主机文件中。 背面的 API 也与数据库连接良好。
But when I send a request to a specific front API route which runs a cURL request to the back API using GuzzleHTTP client and send the answer back to the user, I get a cURL error 7: Failed to connect to back.api.dev port 80: Connection refused (see https://curl.haxx.se/libcurl/c/libcurl-errors.html) for http://back.api.dev/api/videos/
我还尝试从front_api
容器内的 CLI 发送 cURL 请求,但结果是相同的。 我还尝试将其直接发送到 php-fpm 处理的端口9000
,但我收到cURL error 56: Recv failure: Connection reset by peer
error。
这是docker-compose.yml
文件:
version: "3.8"
networks:
my_api_network:
driver: bridge
# external:
# name: my_api_network_default
services:
apache:
container_name: 'api_apache'
image: bitnami/apache:latest
ports:
- 8080:8080
# - 8443:8443
volumes:
- ./docker/apache/vhosts/back-api-dev.conf:/vhosts/back-api-dev.conf:ro
- ./docker/apache/vhosts/front-api-dev.conf:/vhosts/front-api-dev.conf:ro
volumes_from:
- php_backend_api
- php_frontend_api
depends_on:
- php_backend_api
- php_frontend_api
networks:
- my_api_network
php_backend_api:
hostname: 'back.api.dev'
container_name: 'php_backend_api'
build:
context: docker/php7-fpm
network: host
args:
TIMEZONE: 'UTC'
volumes:
- ./docker/php7-fpm/php.ini:/usr/local/etc/php/php.ini:ro
- ./back_api/:/var/www/back_api:cached
- ./back_api/vendor:/var/www/back_api/vendor:delegated
- /var/www/back_api/var/
networks:
- my_api_network
php_frontend_api:
hostname: 'front.api.dev'
container_name: 'php_frontend_api'
build:
context: docker/php7-fpm
network: host
args:
TIMEZONE: 'UTC'
volumes:
- ./docker/php7-fpm/php.ini:/usr/local/etc/php/php.ini:ro
- ./front_api/:/var/www/front_api:cached
- ./front_api/vendor:/var/www/front_api/vendor:delegated
- /var/www/front_api/var/
networks:
- my_api_network
db:
container_name: 'mysql_db'
image: mysql:5.7
restart: always
volumes:
- ./docker/data/mysql:/var/lib/mysql:delegated
- ./docker/mysql:/etc/mysql/conf.d:ro
environment:
MYSQL_ROOT_PASSWORD: ${MYSQL_ROOT_PASSWORD}
TZ: ${TIMEZONE}
command: --sql_mode="STRICT_ALL_TABLES,ERROR_FOR_DIVISION_BY_ZERO,NO_AUTO_CREATE_USER" --default-authentication-plugin=mysql_native_password
ports:
- 3306:3306
networks:
- my_api_network
这是我的背 API Apache Virtualhost:
<VirtualHost *:8080>
ServerName back.api.dev
DocumentRoot "/var/www/back_api/public"
ProxyPassMatch ^/(.*\.php(/.*)?)$ fcgi://php_backend_api:9000/var/www/back_api/public/$1
<Directory "/var/www/back_api/public">
Options Indexes FollowSymLinks
AllowOverride All
Require all granted
DirectoryIndex index.php
<IfModule mod_rewrite.c>
RewriteEngine On
RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d
RewriteRule ^ index.php [QSA,L]
</IfModule>
</Directory>
LogLevel debug
# LogLevel warn
# LogLevel notice
ErrorLog /opt/bitnami/apache2/logs/error-back.log
CustomLog /opt/bitnami/apache2/logs/access-back.log combined
</VirtualHost>
我的猜测是 Apache 配置不足以将传入的 curl 请求转发到 php-fpm 实例。 我照顾了extra_hosts
networks
, aliases
, drivers
,额外主机,但到目前为止没有任何帮助解决这个问题。
谢谢您的帮助。
我在想前端没有 url http://back.api.dev/api/videos/ 。 也许它需要在前端有一个主机条目,就像您在主机箱上所做的那样。 抱歉,我没有足够的积分将其作为建议评论而不是答案。
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