🐳Docker Flow Guide
Master Docker
Step-by-step interactive guide to Docker containerization
🐳
Create Dockerfile
Define your application environment and dependencies
🔨
Build Image
Create a Docker image from your Dockerfile
💾
Local Image
Store and manage built images locally
▶️
Run Container
Start containers from your images for testing
📤
Push to Registry
Upload images to a remote registry for sharing
🚀
Deploy
Run containers in production environments
🐳
Create Dockerfile
Define your application environment and dependencies
# Command to run:
FROM node:14
COPY . /app
RUN npm install
EXPOSE 3000
📚Key Docker Commands
docker psList running containersdocker imagesList available imagesdocker logs [container]View container logsdocker-compose upStart multi-container apps💡Best Practices
- ✓Use multi-stage builds to reduce image size
- ✓Don't store secrets in Docker images
- ✓Test containers locally before pushing
- ✓Use .dockerignore to exclude unnecessary files