fix: Move DB to /tmp for write permissions and simplify Nginx network rules

Dockerfile

@@ -12,7 +12,7 @@ RUN npm run build
 # Final Image
 FROM python:3.12-slim
 WORKDIR /app
-ENV DATABASE_URL="sqlite:////app/backend/andesops.db"
+ENV DATABASE_URL="sqlite:////tmp/andesops.db"
 ENV PYTHONUNBUFFERED=1
 
 # Install Node.js (for running frontend in dev/ssr mode) and Nginx

nginx.conf

@@ -1,24 +1,20 @@
 server {
     listen 7860;
-    server_name localhost;
 
     location / {
-        proxy_pass http://localhost:3000;
+        proxy_pass http://127.0.0.1:3000;
         proxy_http_version 1.1;
         proxy_set_header Upgrade $http_upgrade;
         proxy_set_header Connection 'upgrade';
         proxy_set_header Host $host;
-        proxy_cache_bypass $http_upgrade;
     }
 
     location /api {
         proxy_pass http://127.0.0.1:8000;
         proxy_set_header Host $host;
-        proxy_set_header X-Real-IP $remote_addr;
     }
 
     location /health {
         proxy_pass http://127.0.0.1:8000/api/health;
-        proxy_set_header Host $host;
     }
 }