FROM golang:1.22-alpine AS build

RUN apk add --no-cache gcc musl-dev

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

COPY . .
RUN CGO_ENABLED=1 GOOS=linux go build -o /bin/homework-backend ./

FROM alpine:3.20
RUN apk add --no-cache ca-certificates

WORKDIR /app
ENV DB_PATH=/data/homework.db

COPY --from=build /bin/homework-backend /app/server
EXPOSE 8080

CMD ["/app/server"]