# ---- Build Stage ----
FROM golang:1.26-alpine AS builder

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

COPY . .
RUN CGO_ENABLED=0 GOOS=linux go build -o /bin/gen2d ./cmd/main.go

# ---- Runtime Stage ----
FROM alpine:3.20

RUN apk add --no-cache ca-certificates
COPY --from=builder /bin/gen2d /usr/local/bin/gen2d

EXPOSE 8080
CMD ["gen2d"]