FROM golang:1.26.1-alpine3.23 AS builder

WORKDIR /app

COPY go.mod ./
COPY main.go ./
COPY user.proto ./

RUN go mod download
RUN go install google.golang.org/protobuf/cmd/protoc-gen-go@latest
RUN go install google.golang.org/grpc/cmd/protoc-gen-go-grpc@latest
RUN protoc --go_out=. --go-grpc_out=. user.proto
RUN go build -o user-svc main.go

FROM alpine:latest

WORKDIR /app

COPY --from=builder /app/user-svc .

EXPOSE 50051

CMD ["./user-svc"]