在正常开发(包括构建二进制文件)中,go会查找文件,但在生产中,当使用映像时,它不会。config.yamlDockerfile我的项目文件夹是:|-cmd |- server |- main.go |- server (executable when built)|-config |-config.yaml |-config.goconfig.go 是:func readConfigFile(viperConfig ViperConfig) { // Set default values if nil if viperConfig.ConfigName == "" { viperConfig.ConfigName = "config" } if viperConfig.ConfigType == "" { viperConfig.ConfigType = "yaml" } if viperConfig.ConfigAddPath == "" { // main execute it, so it's path is relative to who execute it. viperConfig.ConfigAddPath = "../../config" } // Read the config viper.SetConfigName(viperConfig.ConfigName) viper.SetConfigType(viperConfig.ConfigType) // This path is from main viper.AddConfigPath(viperConfig.ConfigAddPath) err := viper.ReadInConfig() if err != nil { log.Panic(err) }}我的 dockerfile 是:FROM golang:alpine AS baseWORKDIR /appCOPY . .RUN go build -o ./cmd/server/server ./cmd/server/main.goFROM alpine AS finalWORKDIR /appCOPY --from=base /app/cmd/server/server ./cmd/server/COPY --from=base /app/config/config.yaml ./config/CMD [ "./cmd/server/server" ]从该构建映像运行容器时显示的错误(panic)是:2021/05/12 18:08:32 Config File "config" Not Found in "[/config]"如何指向配置文件所在的位置?/app/config/config.yaml
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慕妹3242003
TA贡献1824条经验 获得超6个赞
从 Viper 文档中,您可以通过多次调用来为配置添加多个搜索路径。viper.AddConfigPath
所以试试:
viper.AddConfigPath(viperConfig.ConfigAddPath) viper.AddConfigPath("/app/config") // <- to work with Dockerfile setup

30秒到达战场
TA贡献1828条经验 获得超6个赞
此外,您可以在 Docker 文件中添加此命令。
src >>cmd >> api
COPY --from=build-env /app/src/cmd/api /app/
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