Docker Advanced: Production & Real-World Implementation
Chapter 6: Docker Networking
Docker networking enables communication between containers using isolated virtual networks.
docker network create app_net
docker run -d –network=app_net nginx
docker network inspect app_net
Projects
- Create custom network
- Connect multiple containers
- Test communication via ping
- Inspect network traffic
- Remove unused networks
Chapter 7: Docker Compose
Docker Compose allows managing multi-container applications efficiently.
version: ‘3’
services:
web:
image: nginx
ports:
– “80:80”
db:
image: mysql
docker-compose up -d
Projects
- Deploy web + database stack
- Scale containers
- Manage environment variables
- Restart services
- Monitor logs
Chapter 8: Logs & Monitoring
docker logs container_id
docker stats
docker inspect container_id
Projects
- View logs in real time
- Monitor CPU & memory
- Debug failing container
- Analyze resource usage
- Track performance issues
Chapter 9: Docker Security
docker run –read-only nginx
docker scan nginx
Projects
- Scan vulnerabilities
- Run containers as non-root
- Apply security policies
- Limit container resources
- Secure production environment
Chapter 10: Production Deployment
docker run -d -p 80:80 –restart always nginx
Projects
- Deploy production web app
- Configure restart policies
- Handle failures
- Setup logging system
- Implement rolling updates
Chapter 11: CI/CD Integration
docker build -t app .
docker tag app repo/app
docker push repo/app
Projects
- Automate build process
- Push images to registry
- Deploy using pipelines
- Version control images
- Auto deployment
Chapter 12: Real Production Projects
- Full web application deployment
- Microservices architecture
- Load balancing setup
- Centralized logging
- Zero downtime deployment
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