添加调试

.devcontainer/Dockerfile

@@ -1,16 +1,18 @@
 FROM mcr.microsoft.com/devcontainers/base:dev-ubuntu-20.04  
 
-# 安装 build-essential  
+# 安装 build-essential 和调试工具
 RUN apt-get update && \
-    apt-get install -y --no-install-recommends build-essential && \
-#清理 apt 缓存  
+    apt-get install -y --no-install-recommends \
+    build-essential \
+    gdb \          # 添加GDB调试器
+    gcc \
+    make && \
+    # 清理 apt 缓存  
     apt-get autoremove -y && \
     apt-get clean && \
     rm -rf /var/lib/apt/lists/*  
 
-# 设置工作目录（可选）  
-WORKDIR /workspace  
+# 设置工作目录
+WORKDIR /workspace
 
-# 可以添加其他的自定义设置，比如复制源代码等  
-
-CMD ["/bin/bash"] # 可以添加默认命令，比如进入 bash 
+CMD ["/bin/bash"]

.devcontainer/devcontainer.json

@@ -1,18 +1,23 @@
 {
     "name": "DevContainerExample",
-
     "image": "mcr.microsoft.com/devcontainers/base:dev-ubuntu-20.04",
+    "postCreateCommand": "sudo apt-get update && sudo apt-get install -y gdb && make",
     "customizations": {
-      "vscode": {
-        "settings": {},
-        "extensions": [
-        ]
-      }
+        "vscode": {
+            "settings": {
+                "debug.onTaskErrors": "debugAnyway"
+            },
+            "extensions": [
+                "ms-vscode.cpptools"
+            ]
+        }
     },
     "portsAttributes": {
-      "3000": {
-        "label": "Web Server",
-        "onAutoForward": "notify"
-      }
-    }
-  }
+        "3000": {
+            "label": "Web Server",
+            "onAutoForward": "notify"
+        }
+    },
+    "initializeCommand": "gdb -ex 'set confirm off' -ex quit",  // 初始化GDB配置
+    "postAttachCommand": "make debug"  // 假设你的Makefile有debug目标
+}