load_module modules/ngx_http_js_module.so;

worker_processes auto;
daemon off;
pid /tmp/nginx.pid;
error_log  /dev/stderr %NGINX_LOG_LEVEL%;

worker_rlimit_nofile 4096;

events {
  worker_connections 2048;
}

http {
  include /etc/nginx/mime.types;
  default_type application/json;
  access_log /dev/stdout combined;
  js_import tensorflowServing.js;

  proxy_read_timeout %PROXY_READ_TIMEOUT%;

  upstream tfs_upstream {
    %TFS_UPSTREAM%;
  }

  upstream gunicorn_upstream {
    server unix:/tmp/gunicorn.sock fail_timeout=1;
  }

  server {
    listen %NGINX_HTTP_PORT% deferred;
    client_max_body_size 0;
    client_body_buffer_size 100m;
    subrequest_output_buffer_size 100m;

    set $tfs_version %TFS_VERSION%;
    set $default_tfs_model %TFS_DEFAULT_MODEL_NAME%;

    location /tfs {
        rewrite ^/tfs/(.*) /$1  break;
        proxy_redirect off;
        proxy_pass_request_headers off;
        proxy_set_header Content-Type 'application/json';
        proxy_set_header Accept 'application/json';
        proxy_pass http://tfs_upstream;
    }

    location /ping {
        %FORWARD_PING_REQUESTS%;
    }

    location /invocations {
        %FORWARD_INVOCATION_REQUESTS%;
    }

    location /models {
        proxy_pass http://gunicorn_upstream/models;
    }

    location / {
        return 404 '{"error": "Not Found"}';
    }

    keepalive_timeout 3;
  }
}