FROM golang:1.12-alpine as builder RUN apk update && \ apk add --no-cache git && \ apk add --no-cache upx=3.95-r1 COPY . /app WORKDIR /app ENV GO111MODULE=on RUN CGO_ENABLED=0 GOOS=linux go build -ldflags="-s -w" -o service && \ upx --ultra-brute -qq service && \ upx -t service RUN go get github.com/pilu/fresh #second stage FROM alpine:latest WORKDIR /app RUN apk add --no-cache tzdata COPY --from=builder /etc/ssl/certs/ca-certificates.crt /etc/ssl/certs/ COPY --from=builder /app/service . COPY web/build /app/web/build/ COPY dev.yml . RUN chmod +x /app/service USER nobody EXPOSE 8080 CMD ./service