FROM --platform=$BUILDPLATFORM golang:alpine AS builder

WORKDIR /app


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

# Copy source files
COPY . ./

# Build
ARG TARGETOS TARGETARCH
RUN CGO_ENABLED=0 GOGC=75 GOOS=$TARGETOS GOARCH=$TARGETARCH go build -ldflags "-w -s" -o /agent ./internal/cmd/agent

RUN rm -rf /tmp/*

# --------------------------
# Final image: GPU-enabled agent with nvidia-smi
# --------------------------
FROM nvidia/cuda:12.2.2-base-ubuntu22.04
COPY --from=builder /agent /agent

# this is so we don't need to create the /tmp directory in the scratch container
COPY --from=builder /tmp /tmp

RUN apt-get update && apt-get install -y smartmontools && rm -rf /var/lib/apt/lists/*

# Ensure data persistence across container recreations
VOLUME ["/var/lib/beszel-agent"]

ENTRYPOINT ["/agent"]