Paperphone-plus/deploy/nginx/paperphone-plus.conf

# PaperPhonePlus production reverse proxy
#
# Replace api.example.com and meeting.example.com before enabling this file.
# Expected local services:
#   PaperPhonePlus server  http://127.0.0.1:3000
#   LiveKit API/WebSocket http://127.0.0.1:7880
#
# IMPORTANT: Nginx only proxies HTTPS/WebSocket signaling here. LiveKit media
# ports must be opened directly in the host/cloud firewall:
#   TCP 7881 (ICE/TCP fallback)
#   UDP 7882 (preferred WebRTC media transport)

map $http_upgrade $connection_upgrade {
    default upgrade;
    ''      close;
}

# Redirect both public domains to HTTPS. Keep the ACME path available when
# using certbot --webroot.
server {
    listen 80;
    listen [::]:80;
    server_name api.example.com meeting.example.com;

    location ^~ /.well-known/acme-challenge/ {
        root /var/www/certbot;
        default_type text/plain;
    }

    location / {
        return 301 https://$host$request_uri;
    }
}

# ── PaperPhonePlus Rust server ──────────────────────────────────────────
server {
    listen 443 ssl http2;
    listen [::]:443 ssl http2;
    server_name api.example.com;

    ssl_certificate     /etc/letsencrypt/live/api.example.com/fullchain.pem;
    ssl_certificate_key /etc/letsencrypt/live/api.example.com/privkey.pem;
    ssl_protocols TLSv1.2 TLSv1.3;
    ssl_session_cache shared:PaperPhoneTLS:20m;
    ssl_session_timeout 1d;
    ssl_session_tickets off;

    client_max_body_size 512m;
    client_body_timeout 600s;
    send_timeout 600s;

    add_header X-Content-Type-Options nosniff always;
    add_header Referrer-Policy strict-origin-when-cross-origin always;

    # REST API. Keep proxy_pass without a trailing slash so Axum receives the
    # original /api/... path unchanged.
    location /api/ {
        proxy_pass http://127.0.0.1:3000;
        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-Host $host;
        proxy_set_header X-Forwarded-Proto https;
        proxy_connect_timeout 10s;
        proxy_read_timeout 600s;
        proxy_send_timeout 600s;
        proxy_request_buffering off;
    }

    # Downloads, admin panel and health endpoint.
    location / {
        proxy_pass http://127.0.0.1:3000;
        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-Host $host;
        proxy_set_header X-Forwarded-Proto https;
        proxy_connect_timeout 10s;
        proxy_read_timeout 600s;
        proxy_send_timeout 600s;
        proxy_request_buffering off;
    }

    # IM signaling WebSocket. This more-specific location overrides the
    # general proxy timeout and keeps long-lived sessions open.
    location = /ws {
        proxy_pass http://127.0.0.1:3000;
        proxy_http_version 1.1;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection $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 https;
        proxy_buffering off;
        proxy_read_timeout 1d;
        proxy_send_timeout 1d;
    }
}

# ── LiveKit SFU signaling/API ───────────────────────────────────────────
# Set LIVEKIT_URL=wss://meeting.example.com on the PaperPhonePlus server.
server {
    listen 443 ssl http2;
    listen [::]:443 ssl http2;
    server_name meeting.example.com;

    ssl_certificate     /etc/letsencrypt/live/meeting.example.com/fullchain.pem;
    ssl_certificate_key /etc/letsencrypt/live/meeting.example.com/privkey.pem;
    ssl_protocols TLSv1.2 TLSv1.3;
    ssl_session_cache shared:PaperPhoneTLS:20m;
    ssl_session_timeout 1d;
    ssl_session_tickets off;

    add_header X-Content-Type-Options nosniff always;

    location / {
        proxy_pass http://127.0.0.1:7880;
        proxy_http_version 1.1;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection $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 https;
        proxy_buffering off;
        proxy_request_buffering off;
        proxy_connect_timeout 10s;
        proxy_read_timeout 1d;
        proxy_send_timeout 1d;
    }
}