FROM golang:1.22-alpine AS builder

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

COPY . .
RUN CGO_ENABLED=0 GOOS=linux go build -o server .

FROM alpine:latest
RUN apk --no-cache add ca-certificates

WORKDIR /app
COPY --from=builder /app/server .
COPY --from=builder /app/frontend ./frontend

EXPOSE 8080
CMD ["./server"]