[英]Cannot create an image for Golang app using Docker
I try to create an image for my Golang application, but Docker just writes: 我尝试为我的Golang应用程序创建一个图像,但Docker只是写道:
Step 7/9 : RUN go install ./accounting/server
---> Running in f998ba6a5efb
can't load package: package grpcProjects/multiService/accounting/server: cannot find package "grpcProjects/multiService/accounting/server" in any of:
/usr/local/go/src/grpcProjects/multiService/accounting/server (from $GOROOT)
/go/src/grpcProjects/multiService/accounting/server (from $GOPATH)
My Dockerfile: 我的Dockerfile:
FROM golang:1.10.4
ADD . /go/src/grpcProjects/multiService
WORKDIR /go/src/grpcProjects/multiService
RUN go get github.com/golang/protobuf/proto
RUN go get golang.org/x/net/context
RUN go get google.golang.org/grpc
RUN go install ./accounting/server
ENTRYPOINT [ "/go/bin/server" ]
EXPOSE 8080
Project structure: 项目结构:
How to solve this problem? 如何解决这个问题呢?
I've found a solution. 我找到了解决方案。 Everything went wrong because I used this command from the root directory of the project: 一切都出错了因为我从项目的根目录中使用了这个命令:
$ docker build -t accounting_server ./accounting
And multiService/accounting
was my building directory, so file hierarchy in the image looked like that: 而multiService/accounting
是我的构建目录,因此图像中的文件层次结构如下所示:
/go/src/grpcProjects/multiService
/go/src/grpcProjects/multiService/server
/go/src/grpcProjects/multiService/server/service
/go/src/grpcProjects/multiService/server/service/accounting.go
/go/src/grpcProjects/multiService/server/main.go
/go/src/grpcProjects/multiService/proto
/go/src/grpcProjects/multiService/proto/accounting.proto
/go/src/grpcProjects/multiService/proto/accounting.pb.go
/go/src/grpcProjects/multiService/Dockerfile
Docker just copied the contents of local /multiService/accounting
to /multiService
directory of the image. Docker只是将local /multiService/accounting
的内容复制到了映像的/multiService
目录。 So I had to change Dockerfile a bit: 所以我不得不改变一下Dockerfile :
FROM golang:1.10.4
ADD . /go/src/grpcProjects/multiService
RUN go get github.com/golang/protobuf/proto
RUN go get golang.org/x/net/context
RUN go get google.golang.org/grpc
RUN go install grpcProjects/multiService/accounting/server
ENTRYPOINT [ "/go/bin/server" ]
EXPOSE 8080
And I built my container with the next command: 我用下一个命令构建了我的容器:
$ docker build -t accounting_server -f ./accounting/Dockerfile .
Still from the root directory so everything was copied to the image properly. 仍然从根目录,所以一切都被正确地复制到图像。
Thanks to everyone who replied! 感谢所有回复的人!
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