upstream backend {
  server {{ env "STACK_NAME" }}_app:9000;
}

proxy_cache_path /var/cache/nginx/peertube-media-cache levels=1:2 keys_zone=peertube_media_cache:5m max_size=40g inactive=72h use_temp_path=off;

server {
  listen 80;
  server_name _;

  ##
  # Application
  ##

  location @api {
    proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
    proxy_set_header Host            $host;

    client_max_body_size  100k; # default is 1M

    proxy_connect_timeout 10m;
    proxy_send_timeout    10m;
    proxy_read_timeout    10m;
    send_timeout          10m;

    proxy_pass http://backend;
  }

  location / {
    try_files /dev/null @api;
  }

  location = /api/v1/videos/upload {
    limit_except POST HEAD { deny all; }

    # This is the maximum upload size, which roughly matches the maximum size of a video file.
    # Note that temporary space is needed equal to the total size of all concurrent uploads.
    # This data gets stored in /var/lib/nginx by default, so you may want to put this directory
    # on a dedicated filesystem.
    client_max_body_size                      12G; # default is 1M
    add_header            X-File-Maximum-Size 8G always; # inform backend of the set value in bytes before mime-encoding (x * 1.4 >= client_max_body_size)

    try_files /dev/null @api;
  }

  location ~ ^/api/v1/(videos|video-playlists|video-channels|users/me) {
    client_max_body_size                      3M; # default is 1M
    add_header            X-File-Maximum-Size 2M always; # inform backend of the set value in bytes before mime-encoding (x * 1.4 >= client_max_body_size)

    try_files /dev/null @api;
  }

  ##
  # Websocket
  ##

  location @api_websocket {
    proxy_http_version 1.1;
    proxy_set_header   X-Forwarded-For $proxy_add_x_forwarded_for;
    proxy_set_header   Host            $host;
    proxy_set_header   X-Real-IP       $remote_addr;
    proxy_set_header   Upgrade         $http_upgrade;
    proxy_set_header   Connection      "upgrade";

    proxy_pass http://backend;
  }

  location /socket.io {
    try_files /dev/null @api_websocket;
  }

  location /tracker/socket {
    # Peers send a message to the tracker every 15 minutes
    # Don't close the websocket before then
    proxy_read_timeout 15m; # default is 60s

    try_files /dev/null @api_websocket;
  }

  ##
  # Performance optimizations
  # For extra performance please refer to https://github.com/denji/nginx-tuning
  ##

  root /var/www/peertube/storage;

  # Enable compression for JS/CSS/HTML, for improved client load times.
  # It might be nice to compress JSON/XML as returned by the API, but
  # leaving that out to protect against potential BREACH attack.
  gzip              on;
  gzip_vary         on;
  gzip_types        # text/html is always compressed by HttpGzipModule
                    text/css
                    application/javascript
                    font/truetype
                    font/opentype
                    application/vnd.ms-fontobject
                    image/svg+xml;
  gzip_min_length   1000; # default is 20 bytes
  gzip_buffers      16 8k;
  gzip_comp_level   2; # default is 1

  client_body_timeout       30s; # default is 60
  client_header_timeout     10s; # default is 60
  send_timeout              10s; # default is 60
  keepalive_timeout         10s; # default is 75
  resolver_timeout          10s; # default is 30
  reset_timedout_connection on;
  proxy_ignore_client_abort on;

  tcp_nopush                on; # send headers in one piece
  tcp_nodelay               on; # don't buffer data sent, good for small data bursts in real time

  # If you have a small /var/lib partition, it could be interesting to store temp nginx uploads in a different place
  # See https://nginx.org/en/docs/http/ngx_http_core_module.html#client_body_temp_path
  client_body_temp_path /var/lib/nginx/client-tmp;

  # Bypass PeerTube for performance reasons. Optional.
  # Should be consistent with client-overrides assets list in /server/controllers/client.ts
  location ~ ^/client/(assets/images/(icons/icon-36x36\.png|icons/icon-48x48\.png|icons/icon-72x72\.png|icons/icon-96x96\.png|icons/icon-144x144\.png|icons/icon-192x192\.png|icons/icon-512x512\.png|logo\.svg|favicon\.png))$ {
    add_header Cache-Control "public, max-age=31536000, immutable"; # Cache 1 year

    root /var/www/peertube;

    try_files /storage/client-overrides/$1 /peertube-latest/client/dist/$1 @api;
  }

  # Bypass PeerTube for performance reasons. Optional.
  location ~ ^/client/(.*\.(js|css|png|svg|woff2|otf|ttf|woff|eot))$ {
    add_header Cache-Control "public, max-age=31536000, immutable"; # Cache 1 year

    alias /var/www/peertube/peertube-latest/client/dist/$1;
  }

  # Bypass PeerTube for performance reasons. Optional.
  location ~ ^/static/(thumbnails|avatars)/ {
    if ($request_method = 'OPTIONS') {
      add_header Access-Control-Allow-Origin  '*';
      add_header Access-Control-Allow-Methods 'GET, OPTIONS';
      add_header Access-Control-Allow-Headers 'Range,DNT,X-CustomHeader,Keep-Alive,User-Agent,X-Requested-With,If-Modified-Since,Cache-Control,Content-Type';
      add_header Access-Control-Max-Age       1728000; # Preflight request can be cached 20 days
      add_header Content-Type                 'text/plain charset=UTF-8';
      add_header Content-Length               0;
      return 204;
    }

    add_header Access-Control-Allow-Origin    '*';
    add_header Access-Control-Allow-Methods   'GET, OPTIONS';
    add_header Access-Control-Allow-Headers   'Range,DNT,X-CustomHeader,Keep-Alive,User-Agent,X-Requested-With,If-Modified-Since,Cache-Control,Content-Type';
    add_header Cache-Control                  "public, max-age=7200"; # Cache response 2 hours

    rewrite ^/static/(.*)$ /$1 break;

    try_files $uri @api;
  }

  # Bypass PeerTube for performance reasons. Optional.
  location ~ ^/static/(webseed|redundancy|streaming-playlists)/ {
    limit_rate_after            5M;

    # Clients usually have 4 simultaneous webseed connections, so the real limit is 3MB/s per client
    set $peertube_limit_rate    800k;

    # Increase rate limit in HLS mode, because we don't have multiple simultaneous connections
    if ($request_uri ~ -fragmented.mp4$) {
      set $peertube_limit_rate  5M;
    }

    # Use this line with nginx >= 1.17.0
    limit_rate $peertube_limit_rate;
    # Or this line if your nginx < 1.17.0
    #set $limit_rate $peertube_limit_rate;

    if ($request_method = 'OPTIONS') {
      add_header Access-Control-Allow-Origin  '*';
      add_header Access-Control-Allow-Methods 'GET, OPTIONS';
      add_header Access-Control-Allow-Headers 'Range,DNT,X-CustomHeader,Keep-Alive,User-Agent,X-Requested-With,If-Modified-Since,Cache-Control,Content-Type';
      add_header Access-Control-Max-Age       1728000; # Preflight request can be cached 20 days
      add_header Content-Type                 'text/plain charset=UTF-8';
      add_header Content-Length               0;
      return 204;
    }

    if ($request_method = 'GET') {
      add_header Access-Control-Allow-Origin  '*';
      add_header Access-Control-Allow-Methods 'GET, OPTIONS';
      add_header Access-Control-Allow-Headers 'Range,DNT,X-CustomHeader,Keep-Alive,User-Agent,X-Requested-With,If-Modified-Since,Cache-Control,Content-Type';
      add_header X-Cache-Status $upstream_cache_status;
      add_header X-Cache-Range $slice_range;
      add_header X-Fuuu ok;

      add_header X-Accel-Expires 604800;

      # Don't spam access log file with byte range requests
      access_log off;
    }

    aio threads;

    # Enabling the sendfile directive eliminates the step of copying the data into the buffer
    # and enables direct copying data from one file descriptor to another.
    sendfile on;
    sendfile_max_chunk 1M; # prevent one fast connection from entirely occupying the worker process.
                           # should be > 800k.

{{ if (env "NGINX_WEBSEED_PROXY_ENABLE") }}
    proxy_connect_timeout       70;
    proxy_read_timeout          1200;
    proxy_send_timeout          1200;

    proxy_buffering on;
    proxy_buffers 8 128k;
    proxy_cache peertube_media_cache;

    slice              64k;
    proxy_cache_key    $host$uri$is_args$args$slice_range;
    proxy_set_header   Range $slice_range;
    proxy_cache_valid  200 206 1h;
    proxy_cache_revalidate on;

    proxy_http_version 1.1;
    proxy_redirect off;

    proxy_pass {{ env "NGINX_WEBSEED_PROXY_URI" }};
{{ else }}

    {{ if (env "NGINX_WEBSEED_CDN_ENABLE") }}
    # Use this in tandem with fuse-mounting i.e. https://docs.joinpeertube.org/admin-remote-storage
    # to serve files directly from a public bucket without proxying.
    # Assumes you have buckets named after the storage subdirectories, i.e. 'videos', 'redundancy', etc.
    set $cdn {{ env "NGINX_WEBSEED_CDN_URI" }};
    rewrite ^/static/webseed/(.*)$ $cdn/videos/$1 redirect;
    rewrite ^/static/(.*)$         $cdn/$1        redirect;

    {{ else }}
    rewrite ^/static/webseed/(.*)$ /videos/$1 break;
    rewrite ^/static/(.*)$         /$1        break;
    try_files $uri @api;
    {{ end }}

{{ end }}
  }
}