Render alternatives

Are there any truly free container platforms that support raw TCP connections?

I'm looking for a free container- or pod-based hosting service that allows inbound raw TCP connections. I don't want to manage a traditional virtual machine or VPS; something…

Are there any truly free container platforms that support raw TCP connections?

I'm looking for a container- or pod-based hosting platform rather than a traditional virtual machine. I'm currently using a service similar to Render to run a small Minecraft…