FROM golang:1.18-alpine AS build_base
WORKDIR /app

RUN apk add git
RUN apk add build-base

COPY go.mod .
COPY go.sum .
RUN go mod download
COPY . .
RUN CGO_ENABLED=1 GOOS=linux go build -o srv ./cmd/srv

FROM alpine:3.9 
COPY --from=build_base /app/srv  /app/srv
COPY client.secret.json /app

CMD ["/app/srv", "-secret", "/app/client.secret.json"]