fix(payment): 支付插件 - 修复跨平台构建与运行时缓存 (#402)

backend/Dockerfile

@@ -1,5 +1,42 @@
 # syntax=docker/dockerfile:1.7
 
+ARG BUILDPLATFORM
+ARG TARGETPLATFORM
+
+FROM --platform=$BUILDPLATFORM golang:1.25-alpine AS payment-package-build
+
+ARG TARGETOS
+ARG TARGETARCH
+ARG TARGETPLATFORM
+ARG BUILDPLATFORM
+ARG GOPROXY=https://proxy.golang.org,direct
+ENV GOPROXY=$GOPROXY
+
+RUN apk add --no-cache nodejs unzip zip
+
+WORKDIR /src
+COPY backend/go.mod backend/go.sum ./backend/
+RUN --mount=type=cache,target=/go/pkg/mod cd backend && go mod download
+COPY backend ./backend
+COPY plugin-packages ./plugin-packages
+RUN --mount=type=cache,target=/root/.cache/go-build set -eu; \
+    test -n "$TARGETOS"; \
+    test -n "$TARGETARCH"; \
+    PAYMENT_PLUGIN_GOOS="$TARGETOS" \
+    PAYMENT_PLUGIN_GOARCH="$TARGETARCH" \
+    PAYMENT_PLUGIN_CGO_ENABLED=0 \
+      ./plugin-packages/build-packages.sh --payments-only; \
+    sh ./plugin-packages/verify-payment-packages.sh "$TARGETOS" "$TARGETARCH"
+
+FROM --platform=$TARGETPLATFORM alpine:3.22 AS payment-package-smoke
+
+ARG TARGETOS
+ARG TARGETARCH
+RUN apk add --no-cache unzip
+COPY --from=payment-package-build /src/plugin-packages /app/plugin-packages
+RUN PAYMENT_PLUGIN_SMOKE_TEST=1 \
+    sh /app/plugin-packages/verify-payment-packages.sh "$TARGETOS" "$TARGETARCH"
+
 FROM golang:1.25-alpine AS backend-build
 
 ARG GOPROXY=https://proxy.golang.org,direct
@@ -37,7 +74,7 @@ RUN mkdir -p /data && chown -R app:app /data
 COPY --from=backend-build /out/infinite-canvas-backend /usr/local/bin/infinite-canvas-backend
 COPY --from=backend-build /out/migrate-schema /usr/local/bin/migrate-schema
 COPY --from=backend-build /out/migrate-sqlite-postgres /usr/local/bin/migrate-sqlite-postgres
-COPY plugin-packages /app/plugin-packages
+COPY --from=payment-package-smoke /app/plugin-packages /app/plugin-packages
 
 USER app
 EXPOSE 8080