deploy: add k3s test image pipeline

Dockerfile

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+FROM node:20-alpine AS web-build
+
+WORKDIR /web
+RUN corepack enable && corepack prepare pnpm@10.18.3 --activate
+COPY web/package.json web/pnpm-lock.yaml web/pnpm-workspace.yaml ./
+RUN pnpm install --frozen-lockfile
+COPY web/ ./
+RUN pnpm run build
+
+FROM golang:1.24-alpine AS server-build
+
+WORKDIR /src
+COPY server/go.mod server/go.sum ./
+RUN go mod download
+RUN go install github.com/gogf/gf/cmd/gf/v2@v2.10.0
+COPY server/ ./
+COPY --from=web-build /web/dist/ ./resource/public/admin/
+RUN gf pack resource internal/packed/packed.go --keepPath=true \
+    && CGO_ENABLED=0 GOOS=linux go build -trimpath -ldflags="-s -w" -o /out/hotgo .
+
+FROM alpine:3.22
+
+RUN apk add --no-cache ca-certificates tzdata \
+    && addgroup -S hotgo \
+    && adduser -S -G hotgo hotgo
+WORKDIR /app
+COPY --from=server-build /out/hotgo /app/hotgo
+COPY --from=server-build /src/manifest /app/manifest
+COPY --from=server-build /src/resource /app/resource
+COPY --from=web-build /web/dist/ /app/resource/public/admin/
+RUN mkdir -p /app/storage /app/logs \
+    && chown -R hotgo:hotgo /app
+USER hotgo
+EXPOSE 8000
+ENTRYPOINT ["/app/hotgo"]
+CMD ["all"]