add alpine image + add smartmontools to intel / nvidia images

internal/dockerfile_agent_alpine

@@ -0,0 +1,28 @@
+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: default scratch-based agent
+# --------------------------
+FROM alpine:latest
+COPY --from=builder /agent /agent
+
+RUN apk add --no-cache smartmontools
+
+# Ensure data persistence across container recreations
+VOLUME ["/var/lib/beszel-agent"]
+
+ENTRYPOINT ["/agent"]

internal/dockerfile_agent_intel

@@ -20,7 +20,7 @@ FROM alpine:edge
 
 COPY --from=builder /agent /agent
 
-RUN apk add --no-cache -X https://dl-cdn.alpinelinux.org/alpine/edge/testing igt-gpu-tools
+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"]

internal/dockerfile_agent_nvidia

@@ -24,6 +24,8 @@ 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"]