core/nginx.conf.sigil

{{ $proxy_settings := "proxy_http_version 1.1; proxy_set_header Upgrade $http_upgrade; proxy_set_header Connection $http_connection; proxy_set_header Host $http_host; proxy_set_header X-Request-Start $msec;" }}
{{ $gzip_settings := "gzip on; gzip_min_length  1100; gzip_buffers  4 32k; gzip_types text/css text/javascript text/xml text/plain text/x-component application/javascript application/x-javascript application/json application/xml application/rss+xml font/truetype application/x-font-ttf font/opentype application/vnd.ms-fontobject image/svg+xml; gzip_vary on; gzip_comp_level  6;" }}

proxy_cache_path /var/cache/nginx levels=1:2 keys_zone=my_cache:10m max_size=1g
                 inactive=60m use_temp_path=off;
limit_conn_zone $binary_remote_addr zone=addr:10m;
limit_req_zone $binary_remote_addr zone=req_zone:10m rate=20r/s;

{{ range $port_map := .PROXY_PORT_MAP | split " " }}
{{ $port_map_list := $port_map | split ":" }}
{{ $scheme := index $port_map_list 0 }}
{{ $listen_port := index $port_map_list 1 }}
{{ $upstream_port := index $port_map_list 2 }}

server {
    {{ if eq $scheme "http" }}
        listen [::]:{{ $listen_port }};
        listen {{ $listen_port }};
        server_name {{ $.NOSSL_SERVER_NAME }};

        # Redirect HTTP to HTTPS
        return 301 https://$server_name$request_uri;

    {{ else if eq $scheme "https" }}
        listen [::]:{{ $listen_port }} ssl http2;
        listen {{ $listen_port }} ssl http2;
        server_name {{ $.NOSSL_SERVER_NAME }};
        ssl_certificate {{ $.APP_SSL_PATH }}/server.crt;
        ssl_certificate_key {{ $.APP_SSL_PATH }}/server.key;
        ssl_protocols TLSv1.2 TLSv1.3;
        ssl_prefer_server_ciphers off;

        keepalive_timeout   70;
        keepalive_requests 500;
        proxy_read_timeout 3600;
        limit_conn addr 10000;
        client_max_body_size 100M;
    {{ end }}


    location / {
        proxy_pass http://{{ $.APP }}-{{ $upstream_port }};
        {{ $proxy_settings }}
        {{ $gzip_settings }}

        proxy_cache my_cache;
        proxy_cache_revalidate on;
        proxy_cache_min_uses 2;
        proxy_cache_use_stale error timeout updating http_500 http_502 http_503 http_504;
        proxy_cache_background_update on;
        proxy_cache_lock on;

        # Connections and request limits increase (bad for DDos)
        limit_req zone=req_zone burst=10 nodelay;
    }

    location ~* \.(jpg|jpeg|png|gif|ico|css|js)$ {
        proxy_pass  http://{{ $.APP }}-{{ $upstream_port }};
        expires 30d;
        add_header Cache-Control "public, no-transform";
    }

  include {{ $.DOKKU_ROOT }}/{{ $.APP }}/nginx.conf.d/*.conf;
}
{{ end }}


{{ range $upstream_port := $.PROXY_UPSTREAM_PORTS | split " " }}
upstream {{ $.APP }}-{{ $upstream_port }} {
{{ range $listeners := $.DOKKU_APP_WEB_LISTENERS | split " " }}
{{ $listener_list := $listeners | split ":" }}
{{ $listener_ip := index $listener_list 0 }}
{{ $listener_port := index $listener_list 1 }}
  server {{ $listener_ip }}:{{ $upstream_port }};
{{ end }}
}
{{ end }}