FROM golang:alpine AS deps

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

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

FROM golang:alpine AS builder

ARG HOSTNAME=http://localhost
ARG NAME=local

RUN apk add git

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

WORKDIR /oc-auth 

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-auth.tar.gz -C /app/extracted
RUN sed -i 's/http:\/\/127.0.0.1:8080\/swagger\/swagger.json/swagger.json/g' /app/extracted/swagger/index.html

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

FROM golang:alpine

WORKDIR /app
COPY --from=builder /app/extracted/oc-auth /usr/bin
COPY --from=builder /app/extracted/swagger /app/swagger
COPY --from=builder /app/extracted/pem /app/pem
COPY --from=builder /app/extracted/docker_auth.json /etc/oc/auth.json

EXPOSE 8080

ENTRYPOINT ["oc-auth"]