FROM golang:alpine AS deps

WORKDIR /app
COPY go.mod go.sum ./
RUN sed -i '/replace/d' go.mod
RUN go mod download

#----------------------------------------------------------------------------------------------

FROM golang:alpine AS builder

WORKDIR /app 

RUN apk add git

RUN go install github.com/beego/bee/v2@latest

WORKDIR /oc-aggregator

COPY --from=deps /go/pkg /go/pkg
COPY --from=deps /app/go.mod /app/go.sum ./

RUN export CGO_ENABLED=0 && \
    export GOOS=linux && \
    export GOARCH=amd64 && \
    export BUILD_FLAGS="-ldflags='-w -s'"

COPY . .

RUN sed -i '/replace/d' go.mod
RUN bee pack
RUN mkdir -p /app/extracted && tar -zxvf oc-aggregator.tar.gz -C /app/extracted

#----------------------------------------------------------------------------------------------

FROM golang:alpine

WORKDIR /app
COPY --from=builder /app/extracted/oc-aggregator /usr/bin/ 
COPY --from=builder /app/extracted/aggregator.json /etc/oc/aggregator.json

EXPOSE 8080

ENTRYPOINT ["oc-aggregator"]