[英]Django cannot find database when using docker-compose
文件
FROM python:3.8
ENV PYTHONUNBUFFERED 1
ENV WORKDIR /usr/src/app
WORKDIR ${WORKDIR}
RUN pip install --upgrade pip && pip install pipenv
COPY ./Pipfile* ${WORKDIR}/
RUN pipenv lock --requirements > requirements.txt
RUN pip install -r requirements.txt
ADD . ${WORKDIR}/
docker-compose.yml
version: '3'
services:
database:
image: postgres:latest
environment:
POSTGRES_PASSWORD: development
POSTGRES_USER: development
POSTGRES_DB: dev_db
ports:
- 5432:5432
backend:
build: .
command: python /usr/src/app/manage.py runserver 0.0.0.0:8000
volumes:
- .:/usr/src/app
ports:
- 8000:8000
depends_on:
- database
Django 數據庫配置
DATABASES = {
'default': {
'ENGINE': 'django.db.backends.postgresql',
'NAME': 'dev_db',
'USER': 'development',
'PASSWORD': 'development',
'HOST': 'database',
'PORT': 5432,
}
}
但是,當我啟動 docker compose 時,它會給出以下消息:
> Is the server running on host "database" (172.29.0.2) and accepting
TCP/IP connections on port 5432?
任何人都可以就我收到此錯誤的原因提供一些指導嗎? 據我所知,這兩個服務都在同一個網絡內
我認為您在 yml 文件中缺少主機名。 見下文
services:
database:
image: postgres:latest
hostname: database
environment:
POSTGRES_PASSWORD: development
POSTGRES_USER: development
POSTGRES_DB: dev_db
ports:
- 5432:5432
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