Docker Networking ModesIntermediate
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bashWhat are Docker Networking Modes (bridge, host, none, overlay)?
Explanation & Concept
• Bridge (default): Creates a private internal virtual bridge network on the host; containers access the outside world via NAT. • Host: Bypasses container network virtualization; container shares the host's network stack directly (highest throughput, no port mapping needed). • None: Disables all networking for the container. • Overlay: Enables multi-host container-to-container communication across a Swarm or Kubernetes cluster.
Code Example
bash
# Run container sharing the host's network stack directly
docker run --net=host -d my-high-throughput-proxyHow It Works & Key Takeaways
Host mode avoids NAT translation overhead, making it ideal for high-throughput network proxies and streaming media servers.
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