### Step 1: Build stage
FROM golang:1.26-alpine AS builder

WORKDIR /app

COPY go.mod go.sum ./
COPY internal internal
COPY cmd cmd
RUN apk add --no-cache musl-dev build-base && go mod download
RUN CGO_ENABLED=1 CC=gcc go build -ldflags="-linkmode external -extldflags '-static'" -o go14 cmd/server/main.go

## Step 2: Runtime stage
FROM scratch

WORKDIR /app

COPY static /app/static
COPY --from=builder /app/go14 /app/go14

EXPOSE 31592

CMD ["/app/go14"]