我的 Django 项目面临类似结构的问题。每个项目都有一个包含
docker-compose.yml
和 Dockerfile
的后端文件夹。
结构如下:
project1/backend/docker-compose.yml project2.backend/docker-compose.yml
当我在项目之间切换并运行
docker-compose up
时,问题就出现了。看起来名为 backend
的容器正在重用之前项目中的服务,而不是创建一个新容器。
以下是每个项目的
docker-compose.yml
示例:
项目1:
version: '3.9'
services:
redis:
image: redis:latest
ports:
- "6379:6379"
postgres:
image: postgres:12
container_name: postgres
environment:
POSTGRES_PASSWORD: project_name
POSTGRES_DB: project_name
env_file:
- .env
ports:
- "5432:5432"
volumes:
- postgres_data:/var/lib/postgresql/data/
celery:
build:
context: .
dockerfile: Dockerfile
command: celery -A project_name worker -l info
volumes:
- .:/opt/webapp
depends_on:
- redis
- postgres
celery-beat:
build:
context: .
dockerfile: Dockerfile
command: celery -A project_name beat -l info
volumes:
- .:/opt/webapp
depends_on:
- redis
- postgres
volumes:
postgres_data:
项目2:
version: "3.9"
services:
web:
build:
context: .
args:
SECRET_KEY: ${SECRET_KEY}
env_file: .env
volumes:
- ./:/opt/webapp
ports:
- "8000:8000"
# Added Command for hot reloading in dev server
command: >
sh -c "python3 manage.py runserver 0.0.0.0:8000"
postgres:
env_file: .env
environment:
POSTGRES_PASSWORD: project_name
volumes:
- postgres-data:/var/lib/postgresql/data
ports:
- "5432:5432"
redis:
env_file: .env
ports:
- "6379:6379"
volumes:
postgres-data:
这是每个项目的
Dockerfile
示例
项目1:
# Use Python 3.11 slim image
FROM python:3.11-slim as base
# Install system dependencies
RUN apt-get update \
&& apt-get install -y --no-install-recommends python3-dev libpq-dev gcc \
&& rm -rf /var/lib/apt/lists/*
# Create and set working directory
WORKDIR /opt/webapp
# Install Pipenv
RUN pip3 install --no-cache-dir -q 'pipenv==2023.12.0'
# Copy Pipfile and Pipfile.lock
COPY Pipfile Pipfile.lock /opt/webapp/
# Install project dependencies
RUN pipenv install --deploy --system
# Copy the rest of the application
COPY . /opt/webapp
# Separate stage for release
FROM base as release
# Copy built files from the base stage
COPY --from=base /opt/webapp /opt/webapp
# Set environment variables and collect static files
ENV PATH=/root/.local/bin:$PATH
ARG SECRET_KEY
RUN python3 manage.py collectstatic --settings=project_name.settings.development
# Default command to run the server
CMD ["python", "manage.py", "runserver", "0.0.0.0:8000"]
项目2:
FROM python:3.8-slim as base
# libpq-dev and python3-dev help with psycopg2
RUN apt-get update \
&& apt-get install -y --no-install-recommends python3-dev libpq-dev gcc curl \
&& apt-get purge -y --auto-remove -o APT::AutoRemove::RecommendsImportant=false \
&& rm -rf /var/lib/apt/lists/*
WORKDIR /opt/webapp
COPY Pipfile* /opt/webapp/
RUN pip3 install --no-cache-dir -q 'pipenv==2018.11.26'
RUN pipenv install --deploy --system
COPY . /opt/webapp
FROM base as release
COPY --from=base /root/.local /root/.local
COPY --from=base /opt/webapp/manage.py /opt/webapp/manage.py
WORKDIR /opt/webapp
ENV PATH=/root/.local/bin:$PATH
ARG SECRET_KEY
RUN python3 manage.py collectstatic --no-input
# Run the image as a non-root user
RUN adduser --disabled-password --gecos "" django
USER django
CMD waitress-serve --port=$PORT project_name.wsgi:application
我想确保每个项目创建自己单独的容器,而不是重用现有的后端容器。如何在保持当前项目结构的同时实现这一目标?任何见解或建议将不胜感激。谢谢!
我已经为每个服务给出了容器名称,但这对我没有帮助,我想了解如何区分这两个项目并为每个项目创建不同的容器。
尝试重命名 docker-compose.yml 文件中的服务/容器名称,例如“project1_postgres:...”、“project1_redis:...”。
我相信你也可以“docker-compose down -v”来删除匿名卷,但我认为启动时间会更长。
如果这不起作用,您还可以尝试将网络添加到您的特定项目,以便服务只有在同一网络中时才会相互通信
networks:
custom_network:
driver: bridge
services:
redis:
image: redis:latest
ports:
- "6379:6379"
networks:
- custom_network