43 lines
1.2 KiB
Docker
43 lines
1.2 KiB
Docker
# Spaxel Mothership Dockerfile
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# Multi-stage build for minimal production image
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# Stage 1: Build the Go binary
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FROM golang:1.25-bookworm AS builder
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WORKDIR /app
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# Copy Go module files first for better caching
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COPY mothership/go.mod mothership/go.sum ./
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RUN go mod download
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# Copy source code
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COPY mothership/ ./
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# Build the binary
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# CGO_ENABLED=0 because we use pure-Go SQLite (modernc.org/sqlite)
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ARG VERSION=dev
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RUN CGO_ENABLED=0 GOOS=linux go build \
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-ldflags="-s -w -X main.version=${VERSION}" \
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-o spaxel ./cmd/mothership
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# Stage 2: Minimal runtime image
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FROM gcr.io/distroless/static-debian12:nonroot
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# Copy the binary
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COPY --from=builder /app/spaxel /spaxel
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# Copy dashboard static files (served from filesystem at runtime)
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COPY dashboard/ /dashboard/
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# Create firmware directory (users should mount their own firmware volume)
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# The container will serve firmware binaries for OTA from /firmware/
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VOLUME ["/data", "/firmware"]
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# Expose HTTP/WebSocket port
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EXPOSE 8080
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# Health check — distroless has no shell or wget, so remove container-level check.
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# K8s liveness/readiness probes handle health checking instead.
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# Run as non-root (distroless default is UID 65532)
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ENTRYPOINT ["/spaxel"]
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