server {
    listen 80;
    listen [::]:80;
    server_name <%= @name %> a.<%= @name %> b.<%= @name %> c.<%= @name %><% @aliases.each do |alias_name| %> <%= alias_name %> a.<%= alias_name %> b.<%= alias_name %> c.<%= alias_name %><%- end -%>;

    rewrite ^/\.well-known/acme-challenge/(.*)$ http://acme.openstreetmap.org/.well-known/acme-challenge/$1 permanent;
    return 301 https://$host$request_uri;
}

<% if @uses_tiler -%>
upstream <%= @name %>_tiler_backend {
    server unix:/srv/imagery/sockets/titiler.sock max_fails=0;
    server unix:/srv/./imagery/sockets/titiler.sock max_fails=0;
}
<% else -%>
upstream <%= @name %>_fastcgi {
    server "unix:/var/run/mapserver-fastcgi/layer-<%= @name %>.socket" max_fails=0;
    server "unix:/var/run/./mapserver-fastcgi/layer-<%= @name %>.socket" max_fails=0;

    # Use default round-robin to distribute requests, rather than pick "fast" but maybe faulty.
    # Do not use keepalive
}
<% end -%>

server {
    listen 443 ssl http2;
    listen [::]:443 ssl http2;
    server_name <%= @name %> a.<%= @name %> b.<%= @name %> c.<%= @name %><% @aliases.each do |alias_name| %> <%= alias_name %> a.<%= alias_name %> b.<%= alias_name %> c.<%= alias_name %><%- end -%>;

    http2_max_concurrent_streams 512;
    keepalive_timeout 30s;

    ssl_certificate /etc/ssl/certs/<%= @name %>.pem;
    ssl_certificate_key /etc/ssl/private/<%= @name %>.key;
<% if node[:ssl][:strict_transport_security] -%>

    add_header Strict-Transport-Security "<%= node[:ssl][:strict_transport_security] %>" always;
<% end -%>

    # Requests sent within early data are subject to replay attacks.
    # See: http://nginx.org/en/docs/http/ngx_http_ssl_module.html#ssl_early_data
    ssl_early_data on;

    root "/srv/<%= @name %>";

    gzip on;
    gzip_types text/plain text/css application/json application/javascript application/x-javascript text/javascript text/xml application/xml application/rss+xml application/atom+xml application/rdf+xml image/svg+xml; # text/html is implicit
    gzip_min_length 512;
    gzip_http_version 1.0;
    gzip_proxied any;
    gzip_comp_level 9;
    gzip_vary on;

    # Include site imagery layers
    include /srv/imagery/nginx/<%= @name %>/layer-*.conf;
}