Dockerfile

# Use this image to build the executable
FROM golang:1.16-alpine AS compiler

WORKDIR $GOPATH/src/minify
COPY . .

RUN apk add --update --update-cache --no-cache git ca-certificates && \
    GO111MODULES=on CGO_ENABLED=0 go build -ldflags "-s -w" -trimpath -o /bin/minify ./cmd/minify


# Final image containing the executable from the previous step
FROM alpine:3

COPY --from=compiler /bin/minify /bin/minify