Docker Networking Explained: Bridge, Host & Overlay
How Docker networking works: bridge networks, host mode, overlay for Swarm, DNS resolution, and port mapping.
Network Types
- bridge: Default. Containers on same bridge can communicate by name. Isolated from host.
- host: Container shares host network stack. No port mapping needed. Linux only.
- none: No networking. Complete isolation.
- overlay: Multi-host networking for Docker Swarm/Kubernetes.
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