services:
  autossh:
    build: .
    container_name: autossh
    restart: unless-stopped
    ports:
      - "${SSH_TUNNEL_TO:?}:${SSH_TUNNEL_TO:?}"

    environment:
      # Пароль берется из переменной SSHPASS (для sshpass)
      - SSHPASS=${SSH_PASSWORD:?}

      # Настройки AutoSSH
      - AUTOSSH_LOGFILE=/dev/stdout
      - AUTOSSH_GATETIME=30
      - AUTOSSH_POLL=60
      # Отключает мониторинг через доп. порт (использует эхо SSH)
      - AUTOSSH_PORT=0

    command: >
      -M 0
      -N

      -o StrictHostKeyChecking=no
      -o ServerAliveInterval=60
      -o ServerAliveCountMax=3

      -L 0.0.0.0:${SSH_TUNNEL_TO:?}:localhost:${SSH_TUNNEL_FROM:?}
      ${SSH_USER:?}@${SSH_HOST:?}
      -p ${SSH_PORT:-22}
    networks:
      - autossh_network

networks:
  autossh_network:
    driver: bridge