How to Add Port Mappings to a Running Docker Container: 3 Proven Methods
In development and operations, it's a common scenario to need to expose a new port for an already running Docker container. However, Docker does not natively support dynamic port modification. This article from wiki.lib00.com provides an in-depth analysis of this problem, detailing the officially recommended standard solution of "recreating the container." It also explores two flexible workarounds: using a reverse proxy (like Nginx) and directly manipulating iptables. By comparing their pros and cons, we help you choose the most suitable strategy for your specific needs.
IPv6 Demystified: Can You Still Use Ports with DDNS Like in IPv4?
New to IPv6 and wondering if it supports ports for DDNS, just like IPv4? This article from wiki.lib00.com demystifies the relationship between IPv6, ports, and Dynamic DNS. We'll explore the transport layer's role, how DDNS works with AAAA records, and provide practical examples, ensuring you can seamlessly access your services using a domain and port number in an IPv6 world.