• viper： https://github.com/spf13/viper
• zap： https://github.com/uber-go/zap
• swaggo/gin-swagger https://github.com/swaggo/gin-swagger
• lumberjack: https://github.com/natefinch/lumberjack
• gin: https://github.com/gin-gonic/gin

基于Gin Viper Zap Swagger Lumberjack等库集成的demo框架