NGINX and OvenMediaEngine configuration

doc/nginx/sites-available/ghostream

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+# This file is part of Ghostream
+# Copyright (C) 2020 by Crans <roots@crans.org>
+# SPDX-License-Identifier: GPL-2.0-or-later
+
+# Automatic Connection header for WebSocket support
+# See http://nginx.org/en/docs/http/websocket.html
+map $http_upgrade $connection_upgrade {
+    default upgrade;
+    ''      close;
+}
+
+# Redirect HTTP to HTTPS
+server {
+    listen 80;
+    listen [::]:80;
+
+    server_name stream.crans.org;
+
+    location / {
+        return 301 https://$host$request_uri;
+    }
+}
+
+# HTTPS server
+server {
+    listen 443 ssl http2;
+    listen [::]:443 ssl http2;
+
+    server_name stream.crans.org;
+
+    # SSL configuration based on https://ssl-config.mozilla.org/
+    ssl_certificate /etc/letsencrypt/live/stream.crans.org/fullchain.pem;
+    ssl_certificate_key /etc/letsencrypt/live/stream.crans.org/privkey.pem;
+    ssl_session_timeout 1d;
+    ssl_session_cache shared:MozSSL:10m;
+    ssl_session_tickets off;
+
+    # curl https://ssl-config.mozilla.org/ffdhe2048.txt > /etc/letsencrypt/dhparam
+    ssl_dhparam /etc/letsencrypt/dhparam;
+
+    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:ECDHE-ECDSA-CHACHA20-POLY1305:ECDHE-RSA-CHACHA20-POLY1305:DHE-RSA-AES128-GCM-SHA256:DHE-RSA-AES256-GCM-SHA384;
+    ssl_prefer_server_ciphers off;
+
+    # HSTS (ngx_http_headers_module is required) (63072000 seconds)
+    add_header Strict-Transport-Security "max-age=63072000" always;
+
+    # Log into separate log files
+    access_log      /var/log/nginx/ghostream.log;
+    error_log       /var/log/nginx/ghostream_error.log;
+
+    # Serve static HTML page with URL rewriting
+    root /var/www/stream;
+    try_files $uri $uri/ /index.html;
+
+    # Pass WebSocket to OvenMediaEngine for WebRTC signalling
+    location /app/ {
+        proxy_pass http://127.0.0.1:3333;
+        proxy_redirect off;
+        proxy_http_version 1.1;
+        proxy_set_header Upgrade $http_upgrade;
+        proxy_set_header Connection $connection_upgrade;
+    }
+}