These problems occur because during the docker build process the git cli does not have credentials to access any private git repositories
# First stage: build the executable.
FROM golang:1.12.5-alpine AS builder
# git is required to fetch go dependencies
RUN apk add --no-cache ca-certificates git
# Create the user and group files that will be used in the running
# container to run the process as an unprivileged user.
RUN mkdir /user && \
echo 'nobody:x:65534:65534:nobody:/:' > /user/passwd && \
echo 'nobody:x:65534:' > /user/group
# Copy the predefined netrc file into the location that git depends on
COPY ./netrc /root/.netrc
RUN chmod 600 /root/.netrc
# Set the working directory outside $GOPATH to enable the support for modules.
WORKDIR /src
# Fetch dependencies first; they are less susceptible to change on every build
# and will therefore be cached for speeding up the next build
COPY ./go.mod ./go.sum ./
RUN go mod download
# Import the code from the context.
COPY . .
# Build the executable to `/app`. Mark the build as statically linked.
RUN CGO_ENABLED=0 go build \
-installsuffix 'static' \
-o /app .
# Final stage: the running container.
FROM scratch AS final
# Import the user and group files from the first stage.
COPY --from=builder /user/group /user/passwd /etc/
# Import the Certificate-Authority certificates for enabling HTTPS.
COPY --from=builder /etc/ssl/certs/ca-certificates.crt /etc/ssl/certs/
# Import the compiled executable from the first stage.
COPY --from=builder /app /app
# Perform any further action as an unprivileged user.
USER nobody:nobody
# Run the compiled binary.
ENTRYPOINT ["/app"]cp ./netrc
netrc文件内容
machine github.com
login mygituser
password 12345678901234567890
machine api.github.com
login mygituser
password 12345678901234567890