Added a working dockerfile and readme

docker/README.md

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+# MeshView Docker Container
+
+This Dockerfile builds a containerized version of the [MeshView](https://github.com/pablorevilla-meshtastic/meshview) application. It uses a lightweight Python environment and sets up the required virtual environment as expected by the application.
+
+## Image Details
+
+- **Base Image**: `python:3.12-slim`
+- **Working Directory**: `/app`
+- **Python Virtual Environment**: `/app/env`
+- **Exposed Port**: `8081`
+
+## Build Instructions
+
+Build the Docker image:
+
+```bash
+docker build -t meshview-docker .
+```
+
+## Run Instructions
+
+Run the container:
+
+```bash
+docker run -d --name meshview-docker -p 8081:8081 meshview-docker
+```
+
+This maps container port `8081` to your host. The application runs via:
+
+```bash
+/app/env/bin/python /app/mvrun.py
+```
+
+## Web Interface
+
+Once the container is running, you can access the MeshView web interface by visiting:
+
+http://localhost:8081
+
+If running on a remote server, replace `localhost` with the host's IP or domain name:
+
+http://<host>:8081
+
+Ensure that port `8081` is open and not blocked by a firewall or security group.