submodule对gitea不管用，所以直接拉了一份拉格兰

Lagrange.Core/Lagrange.OneBot/Resources/Dockerfile

@@ -0,0 +1,26 @@
+FROM --platform=$BUILDPLATFORM mcr.microsoft.com/dotnet/sdk:9.0-alpine AS build-env
+
+WORKDIR /root/build
+ARG TARGETARCH
+
+COPY . /root/build
+
+RUN dotnet publish -p:DebugType="none" -a $TARGETARCH -f "net9.0" -o "/root/out" "Lagrange.OneBot"
+
+# ===
+
+FROM mcr.microsoft.com/dotnet/runtime:9.0-alpine
+
+WORKDIR /app/data
+
+COPY --from=build-env /root/out /app/bin
+COPY Lagrange.OneBot/Resources/docker-entrypoint.sh /app/bin/docker-entrypoint.sh
+
+ENV UID=100
+ENV GID=100
+
+RUN apk --no-cache add shadow su-exec \
+ && adduser -D user \
+ && chmod +x /app/bin/docker-entrypoint.sh
+
+ENTRYPOINT ["/app/bin/docker-entrypoint.sh"]