Getting an error:
standard_init_linux.go:207: exec user process caused "no such file or directory"
this error disappear when using alpine
image.
this is my Dockerfile:
ARG PROJ_NS=gitlab.com/jonas.jasas
ARG PROJ_NAME=httprelay
ARG PROJ_BIN_PATH=/$PROJ_NAME
################################################################################
FROM golang:alpine
RUN apk update && apk add --no-cache git
ARG PROJ_NS
ARG PROJ_NAME
ARG PROJ_BIN_PATH
RUN go get -d $PROJ_NS/$PROJ_NAME/...
WORKDIR $GOPATH/src/$PROJ_NS/$PROJ_NAME
RUN go get -d ./cmd/...
RUN GOOS=linux GOARCH=amd64 go build -ldflags="-w -s" -o $PROJ_BIN_PATH ./cmd/...
RUN echo "nobody:x:65534:65534:Nobody:/:" > /etc_passwd
################################################################################
#FROM alpine
FROM scratch
ARG PROJ_BIN_PATH
COPY --from=0 /etc_passwd /etc/passwd
COPY --from=0 $PROJ_BIN_PATH /entrypoint
USER nobody
EXPOSE 8800
ENTRYPOINT ["/entrypoint"]
Turn off CGO since that can result in dynamic links to libc/libmusl.
RUN CGO_ENABLED=0 GOOS=linux GOARCH=amd64 go build \
-ldflags="-w -s" -o $PROJ_BIN_PATH ./cmd/...
The no such file or directory error with a binary indicates either you did not call your binary by the right name, or that your binary is dynamically linked to a library that does not exist.
You can check for dynamic links with ldd
, e.g.:
docker build --target=0 -t your_go_image .
docker run -it --rm your_go_image ldd /$PROJ_NAME
Here's an example with one of my own projects:
$ go build -o test .
$ ldd test
linux-vdso.so.1 (0x00007ffd2ebd8000)
libpthread.so.0 => /lib/x86_64-linux-gnu/libpthread.so.0 (0x00007f2dda9ed000)
libc.so.6 => /lib/x86_64-linux-gnu/libc.so.6 (0x00007f2dda64e000)
/lib64/ld-linux-x86-64.so.2 (0x00007f2ddac0a000)
$ CGO_ENABLED=0 go build -o test .
$ ldd test
not a dynamic executable
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