chore: initial commit of ai site platform

Co-authored-by: Cursor <cursoragent@cursor.com>

platform/Dockerfile

@@ -0,0 +1,18 @@
+ARG BASE_REGISTRY=docker.m.daocloud.io/library
+FROM ${BASE_REGISTRY}/golang:1.25-bookworm AS build
+WORKDIR /src
+ENV GOPROXY=https://goproxy.cn,direct
+COPY go.mod go.sum ./
+RUN go mod download
+COPY . .
+RUN CGO_ENABLED=0 GOOS=linux go build -o /out/platform .
+
+FROM ${BASE_REGISTRY}/debian:bookworm-slim
+RUN apt-get update && apt-get install -y --no-install-recommends ca-certificates \
+  && rm -rf /var/lib/apt/lists/*
+WORKDIR /app
+COPY --from=build /out/platform /app/platform
+COPY etc/platform.docker.yaml /app/etc/platform.yaml
+RUN mkdir -p /app/data/uploads
+EXPOSE 8888
+CMD ["/app/platform", "-f", "/app/etc/platform.yaml"]