OpsForge/nginx.conf at master · raksh-dev/OpsForge · GitHub

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# ─────────────────────────────────────────────────────────────
# OpsForge AI — nginx reverse proxy
#
# Serves the React build and proxies /api to the backend.
# For production HTTPS, see the commented 443 server block at the bottom and
# use certbot (Let's Encrypt, free) to obtain certificates.
# ─────────────────────────────────────────────────────────────

server {
    listen 80;
    server_name localhost;

    # Security headers
    add_header X-Content-Type-Options "nosniff" always;
    add_header X-Frame-Options "DENY" always;
    add_header Referrer-Policy "strict-origin-when-cross-origin" always;

    # Static frontend
    location / {
        root /usr/share/nginx/html;
        index index.html index.htm;
        try_files $uri $uri/ /index.html;
    }

    # API proxy
    location /api {
        proxy_pass http://backend:8000;
        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;
        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;
    }

    # WebSocket for real-time updates
    location /ws {
        proxy_pass http://backend:8000;
        proxy_http_version 1.1;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection "upgrade";
        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_read_timeout 3600s;
    }

    # Server-Sent Events for streaming agent responses — buffering must be off
    # so tokens reach the browser as they are produced.
    location /api/agents/execute/stream {
        proxy_pass http://backend:8000;
        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_buffering off;
        proxy_cache off;
        proxy_read_timeout 3600s;
        chunked_transfer_encoding on;
    }

    error_page 500 502 503 504 /50x.html;
    location = /50x.html {
        root /usr/share/nginx/html;
    }
}

# ── Production HTTPS (uncomment after obtaining certs with certbot) ────────────
# server {
#     listen 443 ssl http2;
#     server_name yourdomain.com;
#
#     ssl_certificate     /etc/letsencrypt/live/yourdomain.com/fullchain.pem;
#     ssl_certificate_key /etc/letsencrypt/live/yourdomain.com/privkey.pem;
#     ssl_protocols TLSv1.2 TLSv1.3;
#     ssl_ciphers HIGH:!aNULL:!MD5;
#
#     add_header Strict-Transport-Security "max-age=31536000; includeSubDomains" always;
#     add_header X-Content-Type-Options "nosniff" always;
#     add_header X-Frame-Options "DENY" always;
#
#     # ... same location blocks as above ...
# }
#
# # Redirect HTTP -> HTTPS in production
# server {
#     listen 80;
#     server_name yourdomain.com;
#     return 301 https://$host$request_uri;
# }