rathole docker compose

docker-compose.yml

services:
  rathole:
    image: rapiz1/rathole
    command: --server /app/config.toml # replace --server with --client to run a client
    volumes:
      - ./config.toml:/app/config.toml # replace ./config.toml with your config location
    ports: # make sure to bind your tunneled ports!
      # - "2000:2000" # example port
      # - "2001:2001/udp" # example port
      - "2333:2333" # rathole server port
    stdin_open: true
    tty: true
    restart: unless-stopped

also check out their official systemd unit files!