84 lines
2.7 KiB
Docker
84 lines
2.7 KiB
Docker
# =============================================================================
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# felhom-controller Dockerfile
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# Multi-stage build: Go binary + minimal runtime
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# Supports amd64 (N100 mini PCs) and arm64 (Raspberry Pi)
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# =============================================================================
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# --- Build stage ---
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FROM golang:1.22-bookworm AS builder
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ARG TARGETOS=linux
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ARG TARGETARCH
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ARG VERSION=dev
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ARG GIT_COMMIT=unknown
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WORKDIR /build
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# Cache dependencies first
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COPY go.mod ./
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RUN go mod download || true
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# Copy source
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COPY . .
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# Generate go.sum and ensure all deps are fetched
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RUN go mod tidy
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# Build static binary
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RUN CGO_ENABLED=0 GOOS=${TARGETOS} GOARCH=${TARGETARCH} go build \
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-ldflags="-s -w \
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-X main.Version=${VERSION} \
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-X main.BuildTime=$(date -u +%Y-%m-%dT%H:%M:%SZ) \
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-X main.GitCommit=${GIT_COMMIT}" \
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-o /build/felhom-controller \
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./cmd/controller/
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# --- Runtime stage ---
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FROM debian:bookworm-slim
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# Install runtime dependencies:
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# - docker-cli: for "docker compose" commands
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# - ca-certificates: for HTTPS (healthchecks pings, git)
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# - restic: for backup operations
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# - postgresql-client: for pg_dump
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# - default-mysql-client: for mysqldump
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# - sqlite3: for SQLite backup
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# - git: for stack sync from Gitea
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# - curl: for health pings and debugging
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RUN apt-get update && apt-get install -y --no-install-recommends \
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ca-certificates \
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curl \
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git \
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restic \
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postgresql-client \
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default-mysql-client \
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sqlite3 \
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&& rm -rf /var/lib/apt/lists/*
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# Install docker-cli (without daemon)
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RUN curl -fsSL https://download.docker.com/linux/debian/gpg | gpg --dearmor -o /usr/share/keyrings/docker.gpg \
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&& echo "deb [arch=$(dpkg --print-architecture) signed-by=/usr/share/keyrings/docker.gpg] \
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https://download.docker.com/linux/debian bookworm stable" > /etc/apt/sources.list.d/docker.list \
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&& apt-get update \
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&& apt-get install -y --no-install-recommends docker-ce-cli docker-compose-plugin \
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&& rm -rf /var/lib/apt/lists/*
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# Create non-root user (but we'll run as root for Docker socket access)
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# The Docker socket requires root or docker group membership
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RUN mkdir -p /opt/docker/felhom-controller/data
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COPY --from=builder /build/felhom-controller /usr/local/bin/felhom-controller
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# Copy baked-in app assets (logos, screenshots)
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# These are synced from the felhom.eu website repo before building.
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# See: make sync-assets
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COPY assets/ /usr/share/felhom/assets/
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# Health check
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HEALTHCHECK --interval=30s --timeout=5s --start-period=10s --retries=3 \
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CMD curl -f http://localhost:8080/api/health || exit 1
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EXPOSE 8080
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ENTRYPOINT ["/usr/local/bin/felhom-controller"]
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CMD ["--config", "/opt/docker/felhom-controller/controller.yaml"] |