FROM golang:1.14 AS builder
WORKDIR /app
COPY . /app
RUN \
    CGO_ENABLED=0 \
    GOOS=linux \
    GOPROXY=https://proxy.golang.org,direct \
    go build -ldflags "-s -w" -o main .

FROM scratch
COPY --from=builder /app/main .
COPY phrases.json .
USER 1000
ENTRYPOINT ["/main"]