Ruby on rails Rails向其他容器发送请求[无法打开TCP连接]
我正试图通过多个Ruby on rails Rails向其他容器发送请求[无法打开TCP连接],ruby-on-rails,docker,docker-compose,Ruby On Rails,Docker,Docker Compose,我正试图通过多个Rails节点+docker+MySQL+Redis来实现多节点分发系统 因此,我的主节点需要与其他节点通信 这是我的docker compose.yml **version: '2' services: db: image: mysql:5.7 restart: always environment: - MYSQL_ROOT_PASSWORD=password - MYSQL_DATABASE=pubsub_1_develo
Rails节点+docker+MySQL+Redis
来实现多节点分发系统
因此,我的主节点需要与其他节点通信
这是我的docker compose.yml
**version: '2'
services:
db:
image: mysql:5.7
restart: always
environment:
- MYSQL_ROOT_PASSWORD=password
- MYSQL_DATABASE=pubsub_1_development
- MYSQL_USER=appuser
- MYSQL_PASSWORD=password
ports:
- "3308:3306"
redis:
image: 'redis:4.0-alpine'
app:
image: pubsub_2:1.0.8
command: /bin/sh -c "rm -f ./tmp/pids/server.pid && bundle exec rails s -p 3000 -b '0.0.0.0'"
volumes:
- ".:/pubsub_2"
ports:
- "3001:3000"
depends_on:
- db
- redis
- sub_node
- pub_node
links:
- db
- redis
- sub_node
- pub_node
environment:
DB_USER: root
DB_NAME: pubsub_1_development
DB_PASSWORD: password
DB_HOST: db
REDIS_CABLE_PORT: redis://redis:6379/1
SUB_NODE: 0.0.0.0:4001
PUB_NODE: 0.0.0.0:4000
stdin_open: true
tty: true
sub_node:
image: sub_node:1.0.1
command: /bin/sh -c "rm -f /sub_node/tmp/pids/server.pid && bundle exec rails s -p 4001 -b '0.0.0.0'"
ports:
- "4001:4001"
environment:
DB_USER: root
DB_NAME: pubsub_1_development
DB_PASSWORD: password
DB_HOST: db
REDIS_CABLE_PORT: redis://redis:6379/1
tty: true
expose:
- "4001"
pub_node:
image: pub_node:1.0.1
command: /bin/sh -c "rm -f /pub_node/tmp/pids/server.pid && bundle exec rails s -p 4000 -b '0.0.0.0'"
ports:
- "4000:4000"
environment:
DB_USER: root
DB_NAME: pubsub_1_development
DB_PASSWORD: password
DB_HOST: db
REDIS_CABLE_PORT: redis://redis:6379/1
tty: true
expose:
- "4000"**
但是,当我尝试使用app
节点将请求发送到pub_节点
时,它抛出了此错误
Errno::ECONNREFUSED: Failed to open TCP connection to 127.0.0.1:4000 (Connection refused - connect(2) for "127.0.0.1" port 4000)
from /usr/local/lib/ruby/2.5.0/net/http.rb:939:in `rescue in block in connect'
我用这个代码做了post
rvlist = '127.0.0.1:4000'
HTTParty.post("http://#{rvlist}/publish", options)
它在我的开发模式下工作,没有docker环境。在docker compose中联网: 服务的每个容器都加入默认网络,并且都是 可由该网络上的其他容器访问,并可由 它们的主机名与容器名称相同 参考:
在您的情况下,docker compose中的任何容器都可以使用其容器名称和端口打开到
pub\u节点的TCP连接pub\u节点:4000
您可以尝试使用rvlist='pub\u节点:4000'
发布吗?是!!!它起作用了!!请你回答这个问题并留下一些文件或参考资料好吗?我会选择你作为答案!