Created
October 31, 2022 18:03
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Minimal Size Golang Docker Image
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FROM golang:alpine as builder | |
COPY . . | |
RUN apk update && \ | |
apk upgrade && \ | |
apk add --no-cache ca-certificates && \ | |
apk add --update-cache tzdata && \ | |
update-ca-certificates | |
RUN echo "nobody:x:65534:65534:nobody:/:" > /etc_passwd | |
ENV GO111MODULE=on | |
ENV CGO_ENABLED=0 | |
ENV GOOS=linux | |
ENV GOARCH=amd64 | |
WORKDIR /build | |
RUN go mod download | |
RUN go build -a -ldflags '-s' -o /main . | |
FROM scratch | |
COPY --from=builder /etc_passwd /etc/passwd | |
COPY --from=builder /etc/ssl/certs/ca-certificates.crt /etc/ssl/certs/ | |
COPY --from=builder /usr/local/go/lib/time/zoneinfo.zip / | |
COPY --from=builder /main . | |
ENV ZONEINFO=/zoneinfo.zip | |
EXPOSE 8080 | |
USER nobody | |
ENTRYPOINT ["./main"] |
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