chore: sync local updates

mengyaconnect-backend/Dockerfile

@@ -1,33 +1,23 @@
-FROM golang:1.21-alpine AS builder
-
-WORKDIR /app
-
-RUN apk add --no-cache ca-certificates
-
-COPY go.mod go.sum ./
-RUN go mod download
-
-COPY . .
-
-RUN CGO_ENABLED=0 GOOS=linux GOARCH=amd64 go build -o mengyaconnect-backend .
-
-FROM alpine:3.19
-
-WORKDIR /app
-
-RUN apk add --no-cache ca-certificates && \
-    adduser -D -H appuser
-
-COPY --from=builder /app/mengyaconnect-backend /app/mengyaconnect-backend
-
-ENV DATA_DIR=/app/data
-ENV PORT=8080
-
-RUN mkdir -p "$DATA_DIR" && chown -R appuser:appuser /app
-
-USER appuser
-
-EXPOSE 8080
-
-CMD ["/app/mengyaconnect-backend"]
-
+# 与 go.mod 中 go 版本一致（modernc.org/sqlite 等依赖会抬高 toolchain 要求）
+FROM golang:1.25-alpine AS builder
+WORKDIR /app
+RUN apk add --no-cache ca-certificates
+COPY go.mod go.sum ./
+RUN go mod download
+COPY *.go ./
+ARG TARGETOS=linux
+ARG TARGETARCH
+RUN CGO_ENABLED=0 GOOS=${TARGETOS} GOARCH=${TARGETARCH} go build -o /mengyaconnect-backend .
+
+FROM alpine:3.19
+WORKDIR /app
+RUN apk add --no-cache ca-certificates && \
+    adduser -D -H appuser
+COPY --from=builder /mengyaconnect-backend /app/mengyaconnect-backend
+ENV DATA_DIR=/app/data
+ENV PORT=8080
+RUN chmod +x /app/mengyaconnect-backend && \
+    mkdir -p "$DATA_DIR" && chown -R appuser:appuser /app
+USER appuser
+EXPOSE 8080
+CMD ["/app/mengyaconnect-backend"]