# DictIA — Nginx reverse proxy configuration
#
# Alternative to Tailscale Serve for exposing DictIA over HTTPS.
# Replace YOUR_DOMAIN with your actual domain name.
#
# Install: sudo cp dictia.conf /etc/nginx/sites-available/dictia
#          sudo ln -s /etc/nginx/sites-available/dictia /etc/nginx/sites-enabled/
#          sudo nginx -t && sudo systemctl reload nginx
#
# For HTTPS with Let's Encrypt:
#   sudo certbot --nginx -d YOUR_DOMAIN

upstream dictia_app {
    server 127.0.0.1:8899;
}

upstream asr_proxy {
    server 127.0.0.1:9090;
}

server {
    listen 80;
    server_name YOUR_DOMAIN;

    # Redirect HTTP to HTTPS (uncomment after certbot setup)
    # return 301 https://$host$request_uri;

    client_max_body_size 500M;

    # DictIA app
    location / {
        proxy_pass http://dictia_app;
        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;

        # WebSocket support (for real-time features)
        proxy_http_version 1.1;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection "upgrade";

        # Long timeouts for transcription uploads
        proxy_read_timeout 3600s;
        proxy_send_timeout 3600s;
        proxy_connect_timeout 60s;
    }

    # ASR Proxy dashboard (optional, restrict access)
    location /asr-proxy/ {
        proxy_pass http://asr_proxy/;
        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;
    }
}

# HTTPS server block (managed by certbot, uncomment after setup)
# server {
#     listen 443 ssl;
#     server_name YOUR_DOMAIN;
#
#     ssl_certificate /etc/letsencrypt/live/YOUR_DOMAIN/fullchain.pem;
#     ssl_certificate_key /etc/letsencrypt/live/YOUR_DOMAIN/privkey.pem;
#     include /etc/letsencrypt/options-ssl-nginx.conf;
#     ssl_dhparam /etc/letsencrypt/ssl-dhparams.pem;
#
#     client_max_body_size 500M;
#
#     location / {
#         proxy_pass http://dictia_app;
#         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_http_version 1.1;
#         proxy_set_header Upgrade $http_upgrade;
#         proxy_set_header Connection "upgrade";
#         proxy_read_timeout 3600s;
#         proxy_send_timeout 3600s;
#     }
# }