You need a Raspbery pi or Synology Nas to install GH Connector API Server(Default port: 30010)

sudo mkdir /docker
sudo mkdir /docker/gh-connector
sudo chown -R pi:pi /docker
docker pull fison67/gh-connector:0.0.5
docker run -d --restart=always -v /docker/gh-connector:/config -v /yourMp3Folder:/music1 --name=gh-connector-rasp --net=host fison67/gh-connector:0.0.5

make folder /docker/gh-connector
Run Docker
-> Registery 
-> Search fison67/gh-connector (0.0.5 version)
-> Advanced Settings
-> Volume tab -> folder -> Select gh-connector & Mount path '/config'
-> Volume tab -> folder -> Select MP3 Folder & Mount path '/music1'
-> Network tab -> Check 'use same network as Docker Host'
-> Complete

TTS
address : /googleHome/api/:googleHomeID/tts (GET, POST)
param
A. type (oddcast, naver, kakao, googleTTS, google)
 a. oddcast (message, voice, volume)
 b. naver (message, voice, speed, volume)
 c. kakao (message, engine, voice, tone, volume)
 d. googleTTS (message, lang, voice, gender, volume)
 e. google (message, lang, speed, volume)
 
ex) docker address(192.168.0.100), googleHomeID(xxxxxxxxxxxxxxx)
http://192.168.0.100:30010/googleHome/api/xxxxxxxxxxxxxxx/tts?message=test&lang=ko&volume=20&type=google

Play MP3
address : /googleHome/api/:googleHomeID/play/:mp3Name (GET)
param
a. volume

ex) docker address(192.168.0.100), googleHomeID(xxxxxxxxxxxxxxx), mp3(test.mp3)
http://192.168.0.100:30010/googleHome/api/xxxxxxxxxxxxxxx/play/test&volume=20