🚀 feat(Dockerfile): set default port to 3002 and expose it for the application

🐛 fix(reverse_proxy.go): improve error handling message in the proxy request

Author: w7years

Dockerfile

@@ -30,10 +30,13 @@ COPY --from=builder /app/config.yaml .
 
 # 设置环境变量，指定默认配置文件路径
 ENV CONFIG_PATH=/app/config.yaml
+ENV PORT=3002
 
 # 复制入口脚本
 COPY entrypoint.sh /app/entrypoint.sh
 RUN chmod +x /app/entrypoint.sh
 
+EXPOSE $PORT
+
 # 设置入口点
 ENTRYPOINT ["/app/entrypoint.sh"]

internal/proxy/reverse_proxy.go

@@ -4,6 +4,7 @@ import (
 	"ai-api-proxy/internal/config"
 	"ai-api-proxy/internal/middleware"
 	"ai-api-proxy/pkg/logger"
+	"fmt"
 	"net"
 	"net/http"
 	"net/http/httputil"
@@ -107,7 +108,7 @@ func NewOpenAIReverseProxy(cfg *config.Config) (*httputil.ReverseProxy, error) {
 
 		// 处理错误
 		ErrorHandler: func(w http.ResponseWriter, r *http.Request, err error) {
-			middleware.ErrorHandler(w, "代理请求失败", http.StatusBadGateway)
+			middleware.ErrorHandler(w, fmt.Sprintf("代理请求失败: %v", err), http.StatusBadGateway)
 		},
 	}