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Docker containers are portable, lightweight, and self-contained. Instead of installing every application directly on the host operating system, you run each service inside its own container with its own configuration, ports, and persistent storage. The biggest advantage is portability. If you have your Docker Compose file and the data stored in your volumes or bind mounts, you can usually move the container to a different server without rebuilding everything from scratch. That is why I like Docker so much for home labs. You can run a lot of services without creating a full virtual machine for

There are a lot of places you can run Docker, and I’ve run it just about everywhere. The “best” option depends on what hardware or platform you already use. How to Configure Docker in Proxmox How to Use Docker on a Synology NAS How to Use Docker on TrueNAS Scale How to Use Docker on OpenMediaVault How to Install Docker and Portainer on Ubuntu How to Install Docker and Portainer on Debian For most people using Proxmox, I like running Docker inside a Linux VM. You get the benefits of Proxmox snapshots, backups, and VM isolation, while still using Docker Compose for the actual applications.

Docker macvlan gives containers their own MAC address and IP address on your physical network, eliminating the need for NAT or port mapping. It’s most useful when a container needs to appear as a real device on a specific subnet — common for Wake-on-LAN tools, network scanners, and IoT management containers that need to be on a dedicated VLAN.

Not by default. Macvlan isolates the container from the host at the network level, so the container can talk to other devices on the VLAN but not the machine it’s running on. To work around this, you can create a macvlan interface on the host side as well (sometimes called a shim interface), which gives the host an IP on the macvlan network.