fix: 修复 nginx 配置 heredoc 缩进问题

heredoc 中的内容缩进被保留导致 nginx 配置语法错误

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

Author: xkcoding

.github/workflows/production-deploy.yml

@@ -143,84 +143,78 @@ jobs:
               # 删除可能存在的错误目录，创建 nginx SSL 配置文件
               rm -rf /opt/myblog/nginx-ssl.conf
               cat > /opt/myblog/nginx-ssl.conf << 'NGINX_CONF'
-            # HTTP - 重定向到 HTTPS
-            server {
-                listen 80;
-                server_name xkcoding.com www.xkcoding.com blog.xkcoding.com;
-
-                location /.well-known/acme-challenge/ {
-                    root /usr/share/nginx/html;
-                }
-
-                location / {
-                    return 301 https://$server_name$request_uri;
-                }
-            }
-
-            # HTTPS
-            server {
-                listen 443 ssl;
-                server_name xkcoding.com www.xkcoding.com blog.xkcoding.com;
-
-                ssl_certificate /etc/letsencrypt/live/xkcoding.com/fullchain.pem;
-                ssl_certificate_key /etc/letsencrypt/live/xkcoding.com/privkey.pem;
-
-                ssl_protocols TLSv1.2 TLSv1.3;
-                ssl_prefer_server_ciphers off;
-                ssl_ciphers ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384;
-                ssl_session_timeout 1d;
-                ssl_session_cache shared:SSL:10m;
-                ssl_session_tickets off;
-
-                root /usr/share/nginx/html;
-                index index.html;
-
-                gzip on;
-                gzip_vary on;
-                gzip_proxied any;
-                gzip_comp_level 6;
-                gzip_min_length 1000;
-                gzip_types text/plain text/css text/xml text/javascript application/javascript application/json application/xml application/rss+xml image/svg+xml;
-
-                # ==================== 安全头（全局） ====================
-                # HSTS - 强制 HTTPS，包含子域名
-                add_header Strict-Transport-Security "max-age=63072000; includeSubDomains; preload" always;
-                # 强制升级不安全请求
-                add_header Content-Security-Policy "upgrade-insecure-requests" always;
-                # 防止点击劫持
-                add_header X-Frame-Options "SAMEORIGIN" always;
-                # 防止 MIME 类型嗅探
-                add_header X-Content-Type-Options "nosniff" always;
-                # XSS 防护
-                add_header X-XSS-Protection "1; mode=block" always;
-                # Referrer 策略
-                add_header Referrer-Policy "strict-origin-when-cross-origin" always;
-
-                location ~* \.(js|css|png|jpg|jpeg|gif|ico|svg|woff|woff2|ttf|eot)$ {
-                    expires 1y;
-                    add_header Cache-Control "public, immutable" always;
-                    add_header Strict-Transport-Security "max-age=63072000; includeSubDomains; preload" always;
-                    add_header Content-Security-Policy "upgrade-insecure-requests" always;
-                    add_header X-Content-Type-Options "nosniff" always;
-                    access_log off;
-                }
-
-                location ~* \.html$ {
-                    expires -1;
-                    add_header Cache-Control "no-store, no-cache, must-revalidate" always;
-                    add_header Strict-Transport-Security "max-age=63072000; includeSubDomains; preload" always;
-                    add_header Content-Security-Policy "upgrade-insecure-requests" always;
-                    add_header X-Frame-Options "SAMEORIGIN" always;
-                    add_header X-Content-Type-Options "nosniff" always;
-                }
-
-                location / {
-                    try_files $uri $uri/ $uri.html =404;
-                }
-
-                error_page 404 /404.html;
-            }
-            NGINX_CONF
+# HTTP - 重定向到 HTTPS
+server {
+    listen 80;
+    server_name xkcoding.com www.xkcoding.com blog.xkcoding.com;
+
+    location /.well-known/acme-challenge/ {
+        root /usr/share/nginx/html;
+    }
+
+    location / {
+        return 301 https://$server_name$request_uri;
+    }
+}
+
+# HTTPS
+server {
+    listen 443 ssl;
+    server_name xkcoding.com www.xkcoding.com blog.xkcoding.com;
+
+    ssl_certificate /etc/letsencrypt/live/xkcoding.com/fullchain.pem;
+    ssl_certificate_key /etc/letsencrypt/live/xkcoding.com/privkey.pem;
+
+    ssl_protocols TLSv1.2 TLSv1.3;
+    ssl_prefer_server_ciphers off;
+    ssl_ciphers ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384;
+    ssl_session_timeout 1d;
+    ssl_session_cache shared:SSL:10m;
+    ssl_session_tickets off;
+
+    root /usr/share/nginx/html;
+    index index.html;
+
+    gzip on;
+    gzip_vary on;
+    gzip_proxied any;
+    gzip_comp_level 6;
+    gzip_min_length 1000;
+    gzip_types text/plain text/css text/xml text/javascript application/javascript application/json application/xml application/rss+xml image/svg+xml;
+
+    # ==================== 安全头（全局） ====================
+    add_header Strict-Transport-Security "max-age=63072000; includeSubDomains; preload" always;
+    add_header Content-Security-Policy "upgrade-insecure-requests" always;
+    add_header X-Frame-Options "SAMEORIGIN" always;
+    add_header X-Content-Type-Options "nosniff" always;
+    add_header X-XSS-Protection "1; mode=block" always;
+    add_header Referrer-Policy "strict-origin-when-cross-origin" always;
+
+    location ~* \.(js|css|png|jpg|jpeg|gif|ico|svg|woff|woff2|ttf|eot)$ {
+        expires 1y;
+        add_header Cache-Control "public, immutable" always;
+        add_header Strict-Transport-Security "max-age=63072000; includeSubDomains; preload" always;
+        add_header Content-Security-Policy "upgrade-insecure-requests" always;
+        add_header X-Content-Type-Options "nosniff" always;
+        access_log off;
+    }
+
+    location ~* \.html$ {
+        expires -1;
+        add_header Cache-Control "no-store, no-cache, must-revalidate" always;
+        add_header Strict-Transport-Security "max-age=63072000; includeSubDomains; preload" always;
+        add_header Content-Security-Policy "upgrade-insecure-requests" always;
+        add_header X-Frame-Options "SAMEORIGIN" always;
+        add_header X-Content-Type-Options "nosniff" always;
+    }
+
+    location / {
+        try_files $uri $uri/ $uri.html =404;
+    }
+
+    error_page 404 /404.html;
+}
+NGINX_CONF
 
               # 使用 SSL 配置启动 nginx
               docker run -d \