| 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 | |
| # -------------------------- | |
| # Final image | |
| # Note: must cap_add: [CAP_PERFMON] and mount /dev/dri/ as volume | |
| # -------------------------- | |
| FROM alpine:3.23 | |
| COPY --from=builder /agent /agent | |
| RUN apk add --no-cache -X https://dl-cdn.alpinelinux.org/alpine/edge/testing igt-gpu-tools smartmontools | |
| # Ensure data persistence across container recreations | |
| VOLUME ["/var/lib/beszel-agent"] | |
| ENTRYPOINT ["/agent"] |