Update Dockerfile

Dockerfile

@@ -1,6 +1,10 @@
-ARG TARGETARCH
-FROM --platform=linux/${TARGETARCH} rustlang/rust:nightly-bookworm-slim as builder
+# 移除这行，因为在FROM之前定义但没有默认值的ARG在FROM指令中可能不会被正确解析
+# ARG TARGETARCH
+
+# 使用预定义的构建参数TARGETARCH (Docker buildx会自动设置)
+FROM --platform=$PLATFORM rustlang/rust:nightly-bookworm-slim as builder
 
+# 在FROM之后重新声明ARG使其在此构建阶段可用
 ARG TARGETARCH
 
 WORKDIR /app
@@ -8,28 +12,22 @@ RUN apt-get update && \
     apt-get install -y --no-install-recommends \
     build-essential protobuf-compiler pkg-config libssl-dev nodejs npm openssl \
     && rm -rf /var/lib/apt/lists/*
-
 COPY . .
 RUN case "$TARGETARCH" in amd64) TARGET_CPU="x86-64-v2" ;; arm64) TARGET_CPU="neoverse-n1" ;; *) echo "Unsupported architecture: $TARGETARCH" && exit 1 ;; esac && RUSTFLAGS="-C link-arg=-s -C target-cpu=$TARGET_CPU" cargo +nightly build --release && cp target/release/cursor-api /app/cursor-api
 
 # 运行阶段
-ARG TARGETARCH
-FROM --platform=linux/${TARGETARCH} debian:bookworm-slim
+FROM --platform=$PLATFORM debian:bookworm-slim
 
 WORKDIR /app
 ENV TZ=Asia/Shanghai
-
 RUN apt-get update && \
     apt-get install -y --no-install-recommends \
     ca-certificates tzdata openssl \
     && rm -rf /var/lib/apt/lists/* && \
     groupadd -r cursorapi && useradd -r -g cursorapi cursorapi
-
 COPY --from=builder /app/cursor-api .
 RUN chown -R cursorapi:cursorapi /app
-
 ENV PORT=3000
 EXPOSE ${PORT}
-
 USER cursorapi
 CMD ["./cursor-api"]