FROM golang:1.25.6 AS builder


WORKDIR /app

ENV CGO_ENABLED=0
ENV GIN_MODE=release

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

COPY . .
RUN go build -ldflags "-s -w" -o backend ./cmd/main.go


FROM alpine:3.23.0
RUN adduser -D appuser && apk add --no-cache curl
COPY --from=builder /app/backend .
RUN chown appuser:appuser ./backend
USER appuser
EXPOSE 8080
HEALTHCHECK CMD curl --fail http://localhost:8080/health || exit 1
CMD ["./backend"]