我對 Docker 有一些問題。我的 dockerfile 沒有看到 main.go。我有那個結構項目docker-compose.yml go.modfrontend-microservice -cmd -app -main.go -internal -some folders當我嘗試啟動 docker-compose 時，它給了我那個錯誤。ERROR: Service 'frontend-microservice' failed to build: The command '/bin/sh -c CGO_ENABLED=0 GOOS=linux go build -a -installsuffix nocgo -o /frontend-microservice .' returned a non-zero code: 1順便說一句 dockerfile 給出與 go.mod 相關的錯誤我的 docker-composeversion: "3"services: frontend-microservice: build: context: ./frontend-microservice/ dockerfile: Dockerfile ports: - 80:80我的 dockerfile# golang image where workspace (GOPATH) configured at /go.FROM golang:alpine as builderADD . /go/src/frontend-microserviceWORKDIR /go/src/frontend-microserviceRUN go mod downloadCOPY . ./RUN CGO_ENABLED=0 GOOS=linux go build -a -installsuffix nocgo -o /frontend-microservice .FROM alpine:latestRUN apk --no-cache add ca-certificates COPY --from=builder /frontend-microservice ./frontend-microserviceRUN mkdir ./configs COPY ./configs/config.json ./configs EXPOSE 8080 ENTRYPOINT ["./frontend-microservice"]預先感謝您的任何幫助
1 回答
慕標5832272
TA貢獻1966條經驗 獲得超4個贊
定義函數的文件main()位于cmd/app. 不是將當前工作目錄更改為cmd/app，而是附加cmd/app/main.go到go build命令。
你Dockerfile看起來像這樣：
# golang image where workspace (GOPATH) configured at /go.
FROM golang:alpine as builder
ADD . /go/src/frontend-microservice
WORKDIR /go/src/frontend-microservice
RUN go mod download
COPY . ./
RUN CGO_ENABLED=0 GOOS=linux go build -a -installsuffix nocgo -o /frontend-microservice cmd/app/main.go
FROM alpine:latest
RUN apk --no-cache add ca-certificates
COPY --from=builder /frontend-microservice ./frontend-microservice
RUN mkdir ./configs
COPY ./configs/config.json ./configs
EXPOSE 8080
ENTRYPOINT ["./frontend-microservice"]
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