FROM ubuntu:24.04 AS builder
RUN apt-get update && apt-get install -y --no-install-recommends \
        cmake make g++ && \
    rm -rf /var/lib/apt/lists/*
WORKDIR /src
COPY . .
RUN rm -rf build && cmake -S . -B build -DCMAKE_BUILD_TYPE=Release && \
    cmake --build build --parallel

FROM ubuntu:24.04
RUN apt-get update && apt-get install -y --no-install-recommends \
        libstdc++6 && \
    rm -rf /var/lib/apt/lists/* && \
    mkdir -p /var/lib/inventory
COPY --from=builder /src/build/inventory-server /usr/local/bin/
EXPOSE 9876
VOLUME ["/var/lib/inventory"]
# DNS updater hook env vars (set at runtime – do not bake secrets into the image):
#   TECHNITIUM_HOST  (default: 192.168.2.193)
#   TECHNITIUM_PORT  (default: 5380)
#   TECHNITIUM_USER  (default: admin)
#   TECHNITIUM_PASS  (required for DNS updates)
#   TECHNITIUM_ZONE  (default: homelab)
#   DNS_TTL          (default: 300)
CMD ["inventory-server", "--port", "9876", "--db", "/var/lib/inventory/data.db"]