add dockerfile

Dockerfile

@@ -0,0 +1,35 @@
+FROM docker.io/library/golang:1.23 AS builder
+
+WORKDIR /app
+
+# get dependencies
+COPY go.mod go.sum ./
+RUN go mod download
+
+# copy source
+COPY . .
+# codegen
+RUN go generate ./...
+# build
+RUN CGO_ENABLED=1 go build -o bin/ -tags='netgo timetzdata' -trimpath -a -ldflags '-s -w -linkmode external -extldflags "-static"'  ./cmd/clusterd
+
+FROM debian:bookworm-slim
+
+LABEL maintainer="The Sia Foundation <[email protected]>" \
+      org.opencontainers.image.description.vendor="The Sia Foundation" \
+      org.opencontainers.image.description="A cluster container for testing a local Sia network" \
+      org.opencontainers.image.source="https://github.com/SiaFoundation/hostd" \
+      org.opencontainers.image.licenses=MIT
+
+ENV PUID=0
+ENV PGID=0
+
+# copy binary and prepare data dir.
+COPY --from=builder /app/bin/* /usr/bin/
+VOLUME [ "/data" ]
+
+EXPOSE 3000
+
+USER ${PUID}:${PGID}
+
+ENTRYPOINT [ "clusterd" ]

cmd/clusterd/main.go

@@ -44,9 +44,9 @@ func main() {
 	flag.StringVar(&network, "network", "v1", "network to use (v1 or v2)")
 	flag.StringVar(&siafundAddr, "siafund", "", "address to send siafunds to")
 
-	flag.IntVar(&renterdCount, "renterd", 1, "number of renter daemons to run")
-	flag.IntVar(&hostdCount, "hostd", 1, "number of host daemons to run")
-	flag.IntVar(&walletdCount, "walletd", 1, "number of wallet daemons to run")
+	flag.IntVar(&renterdCount, "renterd", 0, "number of renter daemons to run")
+	flag.IntVar(&hostdCount, "hostd", 0, "number of host daemons to run")
+	flag.IntVar(&walletdCount, "walletd", 0, "number of wallet daemons to run")
 	flag.Parse()
 
 	cfg := zap.NewProductionEncoderConfig()
@@ -79,6 +79,10 @@ func main() {
 
 	zap.RedirectStdLog(log)
 
+	if hostdCount == 0 && renterdCount == 0 && walletdCount == 0 {
+		log.Panic("no nodes to run")
+	}
+
 	ctx, cancel := signal.NotifyContext(context.Background(), os.Interrupt)
 	defer cancel()