From 2c7693c4e34a0b57b52aec682fd1a54cc0bb4e50 Mon Sep 17 00:00:00 2001
From: zpc <zpc1131@gamil.com>
Date: Wed, 18 Mar 2026 00:56:17 +0800
Subject: [PATCH] 21

---
 server/MiAssessment/src/MiAssessment.Api/Dockerfile        | 7 +++++++
 .../src/MiAssessment.Core/Services/PdfGenerationService.cs | 4 +++-
 2 files changed, 10 insertions(+), 1 deletion(-)

diff --git a/server/MiAssessment/src/MiAssessment.Api/Dockerfile b/server/MiAssessment/src/MiAssessment.Api/Dockerfile
index 5afb52a..a8edcf7 100644
--- a/server/MiAssessment/src/MiAssessment.Api/Dockerfile
+++ b/server/MiAssessment/src/MiAssessment.Api/Dockerfile
@@ -39,4 +39,11 @@ RUN dotnet publish MiAssessment.Api.csproj -c $BUILD_CONFIGURATION -o /app/publi
 FROM base AS final
 WORKDIR /app
 COPY --from=publish /app/publish .
+
+# 创建 PDF 输出目录和静态图片目录，并赋予写入权限
+USER root
+RUN mkdir -p /app/wwwroot/reports /app/wwwroot/images/report \
+    && chown -R $APP_UID:$APP_UID /app/wwwroot/reports /app/wwwroot/images/report
+USER $APP_UID
+
 ENTRYPOINT ["dotnet", "MiAssessment.Api.dll"]
diff --git a/server/MiAssessment/src/MiAssessment.Core/Services/PdfGenerationService.cs b/server/MiAssessment/src/MiAssessment.Core/Services/PdfGenerationService.cs
index 60c1875..995d822 100644
--- a/server/MiAssessment/src/MiAssessment.Core/Services/PdfGenerationService.cs
+++ b/server/MiAssessment/src/MiAssessment.Core/Services/PdfGenerationService.cs
@@ -205,7 +205,9 @@ public class PdfGenerationService : IPdfGenerationService
             return null;
         }
 
-        var imagePath = Path.Combine("wwwroot", "images", "static-pages", config.ImageUrl);
+        // 去掉前导斜杠，避免 Path.Combine 在 Linux 上将其视为绝对路径
+        var relativePath = config.ImageUrl.TrimStart('/');
+        var imagePath = Path.Combine("wwwroot", relativePath);
         if (!File.Exists(imagePath))
         {
             _logger.LogWarning("静态图片文件不存在，跳过页面: {PageName}，路径: {ImagePath}",