servers.conf.erb

log_format keyvalue
  'method=$request_method'
  ' path="$request_uri"'
  ' host=$host'
  ' request_id=$http_x_request_id'
  ' from="$remote_addr"'
  ' protocol=$scheme'
  ' status=$status'
  ' duration=${request_time}s'
  ' bytes=$bytes_sent'
  ' referer="$http_referer"'
  ' user_agent="$http_user_agent"';

# In order to avoid logging access twice per request
# it is necessary to turn off the top-level (e.g. http) buildpack default access_log
# as we are about to override it in the server directive here below
access_log off;

server {
  access_log logs/access.log keyvalue;
  server_name localhost;
  listen <%= ENV['PORT'] %>;

  charset utf-8;

  # Disable compression that is performed by the Scalingo router anyway
  gzip off;

  location ~ ^/(?<app>[^/]+)/.*$ {


    root /app/dist/;

    try_files $uri /$app/index.html =404;

    expires -1;
  }

  add_header X-Content-Type-Options "nosniff";
  add_header X-Frame-Options "SAMEORIGIN";
  add_header X-XSS-Protection 1;

  <% ENV.each do |key,value| %>
    <% if key.start_with? 'ADD_HTTP_HEADER' %>
      add_header <%=
          key.sub(/^ADD_HTTP_HEADER_/, '').split("_").map(&:capitalize).join("-")
        %> "<%=
          value.gsub('\\', '\\\\\\\\').gsub('"','\\"').gsub('$','\\$')
        %>" ;
    <% end %>
  <% end %>
}