gogs docker镜像

```
version: '3.8'

services:
  gogs:
    container_name: g31_lib
    image: gogs/gogs:latest
    ports:
      - "122:22"
      - "123:3000"
    volumes:
      - ./gogs:/data
    restart: always
    depends_on:
      - db
    networks:
      - g31_gogsnetwork

  db:
    container_name: mysql_db
    image: mysql:latest
    environment:
      MYSQL_ROOT_PASSWORD: CPxYfU5TRhAY
      MYSQL_DATABASE: gogs
    volumes:
      - ./mysql_data:/var/lib/mysql
    restart: always
    networks:
      - g31_gogsnetwork

networks:
  g31_gogsnetwork:
    driver: bridge

```
写了一晚上，能运行起来，但没咋测试，因为感觉gogs太丑了