nitharios / docker-compose-example

docker-compose intro

Setup

1. cp .env.example .env
2. Edit .env variable for PORT and IMAGE_VERSION

To build project

docker-compose build

To run project

docker-compose up

To run a project without terminal display (as a daemon)

docker-compose up -d

To stop project

docker-compose down

To stop project and destroy image and any volumes (total reset)

docker-compose down -v

To build an production version of your image

docker-compose -f docker-compose.yml -f docker-compose.prod.yml build

To push your official image version

docker-compose push

Docker Compose Checklist

1. What base image do I start with?
2. What environment variables does my project need?
3. What do I need to separate from development and production environments?
4. How am I starting the application in development vs production?

Best Practices

1. Don't use third party images for production applications.
2. Don't build sensitive files into your images.
3. Use COPY over ADD to prevent command injection possibilities.
4. Production images should be lean and have only what's needed to run your application.
5. Create your docker-compose commands as npm scripts so you don't have to type them repeatedly. (But know what they do)

References

• docker-compose command line reference
• docker-compose multiple environment configuration