Minimal Golang App

This repo aims to explore how to build minimal runtime for golang application.

The final docker image size is:

docker images | grep goapp
adolphlwq/goapp latest  b2b7723296db    25 seconds ago       2.01MB

Requisites

• Docker 17.05 or higher
• CMake

Dockerfile

FROM golang:1.10-alpine as builder
ADD main.go /go/src/goapp/
RUN cd /go/src/goapp/ && \
    CGO_ENABLED=0 GOOS=linux go build -a -installsuffix cgo -o main .

FROM scratch
COPY --from=builder /go/src/goapp/main /
CMD ["/main"]

Reference

• Build minimal docker container for go applications