WebUI error, fail to connect due to missing or invalid config.json

Issue Summary i am trying to build web ui follow this docs: http://docs.alerta.io/en/latest/gettingstarted/tutorial-1-deploy-alerta.html#step-2-configuration but maybe it go wrong missing “endpoint”

Environment

• OS: Ubuntu 18.04 (proxmox VM)

• API version: lastest (pip3 install)

• Python 3.6.8

• Deployment: self-hosted

• For self-hosted, WSGI environment: nginx/uwsgi

• Database: Postgres 11

• Server config:

uwsgi.ini

cat /etc/uwsgi.ini 
[uwsgi]
http = 127.0.0.1:8080
chdir = /var/www
mount = /api=wsgi.py
callable = app
manage-script-name = true
env = BASE_URL=/api

master = true
processes = 5
logger = syslog:alertad

socket = /tmp/uwsgi.sock
chmod-socket = 664
uid = www-data
gid = www-data
vacuum = true

die-on-term = true

config.json

cat /var/www/html/config.json 
{"endpoint": "http://172.26.8.137:8080"}

alertad config

cat /etc/alertad.conf 
DEBUG = True

SECRET_KEY = 'xxx'
BASE_URL = '/api'
USE_PROXYFIX = False

AUTH_REQUIRED = False

ALARM_MODEL='ALERTA'
DEFAULT_FIELD = 'text'
DEFAULT_PAGE_SIZE = 1000
HISTORY_LIMIT = 100
HISTORY_ON_VALUE_CHANGE = False

DATABASE_URL = 'postgresql://xxx:xxx@localhost:5432/test'

ALERT_TIMEOUT = 43200
HEARTBEAT_TIMEOUT = 7200

SEVERITY_MAP = {
    'critical': 1,
    'warning': 4,
    'indeterminate': 5,
    'ok': 5,
    'unknown': 9
}

DEFAULT_NORMAL_SEVERITY = 'ok'
DEFAULT_PREVIOUS_SEVERITY = 'indeterminate'

COLOR_MAP = {
    'severity': {
        'critical': 'red',
        'warning': '#1E90FF',
        'indeterminate': 'lightblue',
        'ok': '#00CC00',
        'unknown': 'silver'
    },
    'text': 'black',
    'highlight': 'skyblue '
}

SITE_LOGO_URL = 'http://pigment.github.io/fake-logos/logos/vector/color/fast-banana.svg'

DATE_FORMAT_SHORT_TIME = 'HH:mm'
DATE_FORMAT_MEDIUM_DATE = 'EEE d MMM HH:mm'
DATE_FORMAT_LONG_DATE = 'd/M/yyyy h:mm:ss.sss a'

DEFAULT_AUDIO_FILE = '/audio/Bike Horn.mp3'
COLUMNS = ['severity', 'status', 'lastReceiveTime', 'duplicateCount',
        'customer', 'environment', 'service', 'resource', 'event', 'value', 'text']
SORT_LIST_BY = 'lastReceiveTime'
ACTIONS = ['createIssue', 'updateIssue']
AUTO_REFRESH_INTERVAL = 30000

PLUGINS = ['reject']
PLUGINS_RAISE_ON_ERROR = False

ORIGIN_BLACKLIST = ['foo/bar$', '.*/qux'] 
ALLOWED_ENVIRONMENTS=['Production']

Expected behavior

curl localhost:80
...
<strong>We're sorry but Vue doesn't work properly without JavaScript enabled. Please enable it to continue.</strong></noscript><script>(function(){
        var redirect = sessionStorage.redirect;
        delete sessionStorage.redirect;
        if (redirect && redirect != location.href) {
            history.replaceState(null, null, redirect);
        }
      }

Screenshots

Additional context

curl http://localhost:8080
...
{
      "href": "http://localhost:8080/api/webhooks/slack", 
      "method": "POST,GET", 
      "rel": "webhooks.slack"
    }, 
    {
      "href": "http://localhost:8080/api/webhooks/stackdriver", 
      "method": "POST,GET", 
      "rel": "webhooks.stackdriver"
    }, 
    {
      "href": "http://localhost:8080/api/webhooks/telegram", 
      "method": "POST,GET", 
      "rel": "webhooks.telegram"
    }
  ], 
  "status": "ok", 
  "uri": "http://localhost:8080/api/"

Set up alerta with uwsgi is ok

alerta version
alerta 7.4.1
alerta client 7.4.0
requests 2.22.0
click 7.0

i have try change {“endpoint”: “/api”} but it still not work, am i missing something in the config, or i am going on a wrong way ?, please help me. thanks you.

[binhvcom]

OMG, i have tried before, and it fail, but now it ok, thank you, thank you very much.

[satterly]

Check for errors in the javascript console of your browser and any 400 or 500 errors in the network tab.