FROM golang:1.26.1 as builder

WORKDIR /app

COPY . .
ENV CGO_ENABLED=0
ENV GIN_MODE=release
RUN --mount=type=cache,target=/go/pkg/mod \
  --mount=type=cache,target=/root/.cache/go-build \
  go mod download && \
  go build -ldflags "-s -w" -o backend ./cmd/main.go

FROM alpine:3.23.0

RUN apk add --no-cache curl openssl bash

COPY --from=builder /app/backend .

EXPOSE 8080
HEALTHCHECK --interval=30s --timeout=30s --start-period=5s --retries=3 CMD [ "curl --fail http://localhost:8080/health" ]

CMD ["./backend"]