Docker- django在连接到postgres时抛出错误:psycopg2.OperationalError:无法连接到服务器:连接被拒绝 [英] Docker- django throws error while connecting to postgres: psycopg2.OperationalError: could not connect to server: Connection refused
问题描述
我正在尝试对我的Django-postgres应用进行docker化。
我的Dockerfile是:
I am trying to dockerize my Django-postgres app. My Dockerfile is:
FROM python:3
ENV PYTHONUNBUFFERED 1
RUN mkdir /code
WORKDIR /code
ADD requirements.txt /code/
RUN pip install -r requirements.txt
ADD . /code/
我的docker-compose.yml是:
My docker-compose.yml is:
version: '3'
services:
web:
build: .
command: python app/manage.py runserver 0.0.0.0:8000
volumes:
- .:/code
ports:
- "8000:8000"
depends_on:
- db
db:
image: postgres
ports:
- "5432:5432"
environment:
POSTGRES_PASSWORD: password
和我的设置.py具有以下数据库代码:
and my settings .py has the following database code:
DATABASES = {
'default': {
'ENGINE': 'django.db.backends.postgresql',
'NAME': 'postgres',
'USER': 'postgres',
'PASSWORD': 'password',
'HOST': '0.0.0.0',
'PORT': '5432',
}
}
我的数据库和Web容器已启动,但是当我运行时:
docker-compose run web python manage.py migration
我遇到了错误:
My db and web containers are up but when I run: docker-compose run web python manage.py migrate I am getting the error:
psycopg2.OperationalError:无法连接到服务器:连接被拒绝
服务器是否在主机 0.0.0.0上运行并在端口5432上接受
TCP / IP连接?
psycopg2.OperationalError: could not connect to server: Connection refused Is the server running on host "0.0.0.0" and accepting TCP/IP connections on port 5432?
如何使我的容器通信?
推荐答案
更改主机
到:
DATABASES = {
'default': {
'ENGINE': 'django.db.backends.postgresql',
'NAME': 'postgres',
'USER': 'postgres',
'PASSWORD': 'password',
'HOST': 'db',
'PORT': '5432',
}
}
0.0.0.0
不是有效的 IP
,除了您需要使用<$ c连接$ c>服务名称,因为撰写
会为您解决该问题
0.0.0.0
is not a valid IP
, beside you need to connect using the service
name since compose
will resolve it for you
这篇关于Docker- django在连接到postgres时抛出错误:psycopg2.OperationalError:无法连接到服务器:连接被拒绝的文章就介绍到这了,希望我们推荐的答案对大家有所帮助,也希望大家多多支持IT屋!