FROM golang:1.24-alpine AS builder

WORKDIR /app

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

COPY . .

RUN CGO_ENABLED=0 go build -o mcp-grafana ./cmd/mcp-grafana

FROM alpine:3.20

RUN apk --no-cache add ca-certificates

COPY --from=builder /app/mcp-grafana /usr/local/bin/mcp-grafana

ENTRYPOINT ["/usr/local/bin/mcp-grafana", "--transport", "stdio"]