agent_delta/nginx/nginx.conf

# =============================================================================
# Nginx Configuration for agent_delta
# Generated by fastapi-fullstack
# =============================================================================
#
# This configuration provides:
# - Reverse proxy for backend API (api.DOMAIN)

# - Reverse proxy for frontend (DOMAIN)


# - WebSocket support for /ws endpoint
# - Security headers
# - HTTP to HTTPS redirect
#
# SSL Certificates:
# Place your SSL certificates in the nginx/ssl/ directory:
# - nginx/ssl/cert.pem (certificate)
# - nginx/ssl/key.pem (private key)
#
# For Let's Encrypt with certbot:
# certbot certonly --webroot -w /var/www/certbot -d api.yourdomain.com -d yourdomain.com
# =============================================================================

# Upstream definitions
upstream backend {
    server backend:8000;
}


upstream frontend {
    server frontend:3000;
}



# =============================================================================
# HTTP Server - Redirect to HTTPS
# =============================================================================
server {
    listen 80;
    listen [::]:80;
    server_name _;

    # Let's Encrypt ACME challenge
    location /.well-known/acme-challenge/ {
        root /var/www/certbot;
    }

    # Redirect all other HTTP traffic to HTTPS
    location / {
        return 301 https://$host$request_uri;
    }
}

# =============================================================================
# HTTPS Server - Backend API (api.DOMAIN)
# =============================================================================
server {
    listen 443 ssl;
    listen [::]:443 ssl;
    http2 on;
    server_name api.${DOMAIN:-localhost};

    # SSL Configuration
    ssl_certificate /etc/nginx/ssl/cert.pem;
    ssl_certificate_key /etc/nginx/ssl/key.pem;
    ssl_protocols TLSv1.2 TLSv1.3;
    ssl_ciphers ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384;
    ssl_prefer_server_ciphers off;
    ssl_session_timeout 1d;
    ssl_session_cache shared:SSL:50m;
    ssl_stapling on;
    ssl_stapling_verify on;

    # Security Headers
    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;
    add_header Strict-Transport-Security "max-age=31536000; includeSubDomains" always;

    # Proxy settings
    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_set_header X-Forwarded-Host $host;
    proxy_set_header X-Forwarded-Port $server_port;

    # WebSocket support for /ws endpoint
    location /ws {
        proxy_pass http://backend;
        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_set_header X-Forwarded-Proto $scheme;
        proxy_read_timeout 86400;
        proxy_send_timeout 86400;
    }

    # API endpoints
    location / {
        proxy_pass http://backend;
        proxy_buffering off;
        proxy_request_buffering off;

        # Timeouts
        proxy_connect_timeout 60s;
        proxy_send_timeout 60s;
        proxy_read_timeout 60s;
    }
}


# =============================================================================
# HTTPS Server - Frontend (DOMAIN)
# =============================================================================
server {
    listen 443 ssl;
    listen [::]:443 ssl;
    http2 on;
    server_name ${DOMAIN:-localhost};

    # SSL Configuration
    ssl_certificate /etc/nginx/ssl/cert.pem;
    ssl_certificate_key /etc/nginx/ssl/key.pem;
    ssl_protocols TLSv1.2 TLSv1.3;
    ssl_ciphers ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384;
    ssl_prefer_server_ciphers off;
    ssl_session_timeout 1d;
    ssl_session_cache shared:SSL:50m;

    # Security Headers
    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;
    add_header Strict-Transport-Security "max-age=31536000; includeSubDomains" always;

    # Proxy settings
    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 application
    location / {
        proxy_pass http://frontend;
        proxy_buffering off;

        # Timeouts
        proxy_connect_timeout 60s;
        proxy_send_timeout 60s;
        proxy_read_timeout 60s;
    }

    # Next.js HMR WebSocket (development)
    location /_next/webpack-hmr {
        proxy_pass http://frontend;
        proxy_http_version 1.1;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection "upgrade";
    }
}