Docker Best Practices
Remember that time you spent an hour debugging a Docker container, only to realize it was an outdated base image causing the issue? You're not alone. Mastering Docker best practices can save you countless headaches and make your containerized journey smoother.
In this article, we'll delve into essential tips and tricks to ensure your Docker deployments are efficient, secure, and maintainable.
Use official images as a base image
Minimize your image size by chaining commands together
Create a .dockerignore file to exclude unnecessary files during build
For production images, use multi-stage builds to reduce image size
Use environment variables for configurations
Add a health check instruction to your Dockerfile
Define resource constraints in your Docker-Compose file
Use tools like Docker logs, ELK stack, or Prometheus for comprehensive logging and monitoring
Push your custom images to a private registry
Tag your images for versioning
Happy coding.
Written by - Dishant Sethi
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