Architecture

Set up env

Install and run Elastic search

1. Install and start Docker Desktop
2. Run

   docker network create elastic
   docker pull docker.elastic.co/elasticsearch/elasticsearch:7.13.2
   docker run --name es01-test --net elastic -p 9200:9200 -p 9300:9300 -e "discovery.type=single-node" docker.elastic.co/elasticsearch/elasticsearch:7.13.2
   

3. To verify it is running successfully

   curl -X GET http://localhost:9200
   

Install and run Kibana

1. In a new terminal session, run

   docker pull docker.elastic.co/kibana/kibana:7.13.2
   docker run --name kib01-test --net elastic -p 5601:5601 -e "ELASTICSEARCH_HOSTS=http://es01-test:9200" docker.elastic.co/kibana/kibana:7.13.2
   

2. To access Kibana, go to http://localhost:5601/app/dev_tools#/console

Add mapping in Kibana

1. Create index

   PUT /usersg0
   

2. Add mapping

   PUT /usersg0/_mapping
   {
     "properties": {
       "name": {
         "type": "text"
       },
       "dob": {
         "type": "long"
       },
       "address": {
         "type": "text"
       },
       "description": {
         "type": "text"
       },
       "ctime": {
         "type": "long"
       }
     }
   }
   

Install and start tracer (logging)

1. Run

   docker pull jaegertracing/all-in-one
   docker run -d -p 6831:6831/udp -p 16686:16686 jaegertracing/all-in-one:latest
   

2. Go to http://localhost:16686/ to see traces

Start server

There are 2 options to start the server

1. Build and run

   go build main.go
   nohup ./UserSearch &
   

2. Run locally

   go run main.go
   

Testing

1. Testing api

   cd api
   go test Test -v
   

2. Testing dao

   cd dao
   go test Test -v