dreamworld2007
2019-09-05 09:16
浏览 1.6k

启动容器进程导致“ exec:\” / app \“:权限被拒绝”:未知

When I was trying to build golang using docker

The image build of docker was successful, but the following error occurred when running with docker run

docker: Error response from daemon: OCI runtime create failed: container_linux.go:345: starting container process caused "exec: \"/app\": permission denied": unknown.

I think this error cause no user add, so I added group and user as below

RUN groupadd -g 10001 myapp \
    && useradd -u 10001 -g myapp myapp

but didn't fix.

Here is my source docker file

FROM golang:1.12.9 as builder

ADD . /go/src/appname/

WORKDIR /go/src/appname/

ENV GO111MODULE=on

COPY go.mod .
COPY go.sum .

RUN go mod download
COPY . .

RUN  CGO_ENABLED=0 GOOS=linux GOARCH=amd64 make build target=prod

FROM alpine

RUN apk update \
  && apk add --no-cache

COPY --from=builder /go/src/ /app

ENTRYPOINT [ "/app" ]

thanks

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3条回答 默认 最新

  • dongyong1897 2019-09-05 09:34
    已采纳

    You are copying your entire source folder into the directory /app in this step:

    COPY --from=builder /go/src/ /app
    

    Then you try to execute the directory:

    ENTRYPOINT [ "/app" ]
    

    Instead, you need to copy the compiled binary that your go build outputs in the copy step.

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  • douyimiao1993 2019-09-05 09:46

    You need to specify the output directory to your binary.

    
    RUN CGO_ENABLED=0 GOOS=linux GOARCH=amd64 go build -a -o /app .
    
    
    

    then copy the app directory

    COPY --from=builder /app ./
    RUN chmod +x ./app
    ENTRYPOINT ["./app"]
    
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  • dsx5201 2019-09-09 14:52

    Thanks to the advice of everyone, I fix this issue

    I couldn't just COPY with the build binary properly specified

    before

    COPY --from=builder /go/src/ /app
    

    after

    COPY --from=builder /go/src/build/build_app_name /app
    

    thanks!!

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