fix: add nginx API proxy config for /api/* → backend :3001

- Add nginx/longde.cloud.conf with /api/* proxy_pass to localhost:3001
- Update deploy.yml to install nginx config before deploying
- Fixes 405/502 errors when iOS app calls backend API

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

.gitea/workflows/deploy.yml

@@ -23,6 +23,15 @@ jobs:
             -w /app \
             node:22-alpine sh -c "npm install && npm run build"
 
+      - name: Install Nginx config
+        run: |
+          mkdir -p /etc/nginx/conf.d 2>/dev/null
+          cp /tmp/web-projects/nginx/longde.cloud.conf /etc/nginx/conf.d/longde.cloud.conf
+          # fallback for sites-enabled style
+          mkdir -p /etc/nginx/sites-available /etc/nginx/sites-enabled 2>/dev/null
+          cp /tmp/web-projects/nginx/longde.cloud.conf /etc/nginx/sites-available/longde.cloud.conf 2>/dev/null
+          ln -sf /etc/nginx/sites-available/longde.cloud.conf /etc/nginx/sites-enabled/longde.cloud.conf 2>/dev/null
+
       - name: Deploy to web root
         run: |
           rm -rf /var/www/longde.cloud/*

nginx/longde.cloud.conf

@@ -0,0 +1,51 @@
+server {
+    listen 80;
+    server_name longde.cloud www.longde.cloud;
+
+    root /var/www/longde.cloud;
+    index index.html;
+
+    # Gzip
+    gzip on;
+    gzip_vary on;
+    gzip_comp_level 5;
+    gzip_min_length 256;
+    gzip_types application/json text/plain text/css application/javascript image/svg+xml;
+
+    # API proxy to NestJS backend (Docker container on port 3001)
+    location /api/ {
+        proxy_pass http://localhost:3001/api/;
+        proxy_http_version 1.1;
+        proxy_set_header Host $host;
+        proxy_set_header X-Real-IP $remote_addr;
+        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+        proxy_set_header X-Forwarded-Proto $scheme;
+        proxy_read_timeout 90s;
+        proxy_connect_timeout 10s;
+        client_max_body_size 10m;
+    }
+
+    # Swagger docs
+    location /api-docs {
+        proxy_pass http://localhost:3001/api-docs;
+        proxy_http_version 1.1;
+        proxy_set_header Host $host;
+        proxy_set_header X-Real-IP $remote_addr;
+        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+        proxy_set_header X-Forwarded-Proto $scheme;
+    }
+
+    location /api-docs-json {
+        proxy_pass http://localhost:3001/api-docs-json;
+        proxy_http_version 1.1;
+        proxy_set_header Host $host;
+        proxy_set_header X-Real-IP $remote_addr;
+        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+        proxy_set_header X-Forwarded-Proto $scheme;
+    }
+
+    # Frontend — SPA fallback
+    location / {
+        try_files $uri $uri/ /index.html;
+    }
+}