conf.d/includes/basic_endpoints.conf

#/*
# * Licensed to the Apache Software Foundation (ASF) under one or more
# * contributor license agreements.  See the NOTICE file distributed with
# * this work for additional information regarding copyright ownership.
# * The ASF licenses this file to You under the Apache License, Version 2.0
# * (the "License"); you may not use this file except in compliance with
# * the License.  You may obtain a copy of the License at
# *
# *     http://www.apache.org/licenses/LICENSE-2.0
# *
# * Unless required by applicable law or agreed to in writing, software
# * distributed under the License is distributed on an "AS IS" BASIS,
# * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# * See the License for the specific language governing permissions and
# * limitations under the License.
# */
location / {
    root   /etc/api-gateway/html;
    index index.html index.htm;
}


location /health-check {
    access_log off;
    default_type application/json;
    content_by_lua_block {
        local cjson = require "cjson"
        local s = {}
        s.status = "API-Gateway is running"        
        if jit then
            s.lua_version = jit.version
        else
            s.lua_version = "LuaJIT is not enabled"
        end

        local config_status = ngx.location.capture("/config-status");
        if (config_status) then
            s.config = cjson.decode(config_status.body)
        end

        ngx.say(cjson.encode(s))
    }
}

location /config-status {
  access_log off;
  proxy_pass http://127.0.0.1:8888/health-check;
}

error_page 500 501 502 503 504 /50x.html;

location /50x.html {
    more_set_headers 'Content-Type: application/json';
    return 500 '{"code":$status, "message":"Oops. Something went wrong. Check your URI and try again."}\n';
}