update docker

Dockerfile

@@ -0,0 +1,39 @@
+FROM ubuntu:20.04 AS build
+
+ENV DEBIAN_FRONTEND=noninteractive
+
+RUN apt-get update && apt-get install -y --no-install-recommends \
+    build-essential \
+    ca-certificates \
+    cmake \
+    git \
+    && rm -rf /var/lib/apt/lists/*
+
+WORKDIR /src
+COPY CMakeLists.txt ./
+COPY src ./src
+
+RUN cmake -S . -B build -DCMAKE_BUILD_TYPE=Release \
+    && cmake --build build -j"$(nproc)"
+
+FROM ubuntu:20.04 AS runtime
+
+ENV DEBIAN_FRONTEND=noninteractive
+
+RUN apt-get update && apt-get install -y --no-install-recommends \
+    ca-certificates \
+    htop \
+    procps \
+    && rm -rf /var/lib/apt/lists/*
+
+WORKDIR /app
+
+COPY --from=build /src/build/lidar_manager_web /app/lidar_manager_web
+COPY www ./www
+
+RUN mkdir -p data/models
+
+EXPOSE 8080
+
+ENTRYPOINT ["/app/lidar_manager_web"]
+CMD ["8080", "/app/www", "/app/data/state.json"]