Update Dockerfile

Dockerfile

@@ -5,12 +5,33 @@ FROM --platform=$TARGETPLATFORM rustlang/rust:nightly-bookworm-slim as builder
 ARG TARGETARCH
 
 WORKDIR /app
+
+# 先复制Cargo.toml和Cargo.lock文件以利用Docker缓存
+COPY Cargo.toml Cargo.lock* ./
+# 创建一个临时的src目录和main.rs，这样cargo可以解析依赖
+RUN mkdir -p src && \
+    echo "fn main() {println!(\"placeholder\");}" > src/main.rs && \
+    cargo fetch
+
+# 安装依赖
 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
+
+# 复制源代码
+COPY src ./src
+COPY build.rs* ./
+COPY proto* ./proto/
+
+# 构建项目
+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
 FROM --platform=$TARGETPLATFORM debian:bookworm-slim