separate agent dockerfiles

beszel/dockerfile_agent_nvidia

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+FROM --platform=$BUILDPLATFORM golang:alpine AS builder
+
+WORKDIR /app
+
+COPY go.mod go.sum ./
+# RUN go mod download
+COPY *.go ./
+COPY cmd ./cmd
+COPY internal ./internal
+
+# Build
+ARG TARGETOS TARGETARCH
+RUN CGO_ENABLED=0 GOGC=75 GOOS=$TARGETOS GOARCH=$TARGETARCH go build -ldflags "-w -s" -o /agent ./cmd/agent
+
+# --------------------------
+# Final image: GPU-enabled agent with nvidia-smi
+# --------------------------
+FROM nvidia/cuda:12.9.1-base-ubuntu22.04
+COPY --from=builder /agent /agent
+
+ENTRYPOINT ["/agent"]