Reactive API of users where you can add, update and fetch users -

Reactive API of users built with Spring webflux API and storing data in elastic search via elastic search APIs.

Need local instance running of elastic seach server.

Download elastic server windows version from this place -

https://www.elastic.co/downloads/elasticsearch

Once downloaded, go inside the bin folder from the downloaded place -

D:\elasticSearch\elasticsearch-7.8.0-windows-x86_64\elasticsearch-7.8.0\bin

And run the windows batch file which will start the server and access the URL given below -

http://localhost:9200

You will get the response JSON as such which indicates that its started and working -

{
  "name" : "YY189299",
  "cluster_name" : "elasticsearch",
  "cluster_uuid" : "0GpdyWYRR2-jfjcSXBrnGA",
  "version" : {
    "number" : "7.8.0",
    "build_flavor" : "default",
    "build_type" : "zip",
    "build_hash" : "757314695644ea9a1dc2fecd26d1a43856725e65",
    "build_date" : "2020-06-14T19:35:50.234439Z",
    "build_snapshot" : false,
    "lucene_version" : "8.5.1",
    "minimum_wire_compatibility_version" : "6.8.0",
    "minimum_index_compatibility_version" : "6.0.0-beta1"
  },
  "tagline" : "You Know, for Search"
}

Start the java application with this command -

java -jar ReactiveAPIWithElasticSearch.jar 

Hit the Rest endpoints with the following operations-

curl --location --request POST 'http://localhost:8080/users' \
--header 'Content-Type: application/json' \
--data-raw '{
    "userId": "123",
    "firstName": "Tenzin",
    "lastName": "Dawa",
    "occupation": "Software Engineer",
    "age": "30",
    "dateOfBirth": "04-05-1992"
}'

curl --location --request PUT 'http://localhost:8080/users' \
--header 'Content-Type: application/json' \
--data-raw '{
    "userId": "123",
    "firstName": "Tenzin",
    "lastName": "Dawa",
    "occupation": "Software Engineer",
    "age": "31",
    "dateOfBirth": "04-05-1992"
}'

curl --location --request GET 'http://localhost:8080/users' \
--header 'Content-Type: application/json' \
--data-raw ''

curl --location --request GET 'http://localhost:8080/users/123' \
--header 'Content-Type: application/json' \
--data-raw ''