# builder stage
FROM golang:1.21-alpine AS builder
WORKDIR /app

COPY go.mod go.sum ./
RUN go mod download

COPY . .
RUN go build -o /server ./cmd/server

# final image
FROM alpine:latest
RUN apk --no-cache add ca-certificates
COPY --from=builder /server /server
EXPOSE 8080
ENTRYPOINT ["/server"]