Connection not establishing between logstash and elastic search

[Gowtham_Gandham]

version: '3.5'

services:
elasticsearch:
build:
context: elasticsearch/
volumes:
- ./elasticsearch/config/elasticsearch.yml:/usr/share/elasticsearch/config/elasticsearch.yml:ro
ports:
- '9200:9200'
- '9300:9300'
environment:
ES_JAVA_OPTS: '-Xmx256m -Xms256m'
networks:
- elk
logstash:
build:
context: logstash/
volumes:
- ./logstash/config/logstash.yml:/usr/share/logstash/config/logstash.yml:ro
- ./logstash/pipeline:/usr/share/logstash/pipeline:ro
ports:
- '5000:5000'
environment:
LS_JAVA_OPTS: '-Xmx256m -Xms256m'
networks:
- elk
depends_on:
- elasticsearch
kibana:
build:
context: kibana/
volumes:
- ./kibana/config/:/usr/share/kibana/config:ro
ports:
- '5601:5601'
networks:
- elk
depends_on:
- elasticsearch
networks:
elk:
driver: bridge

logstash.yml

http.host: '0.0.0.0'

path.config: /usr/share/logstash/pipeline

logstash.conf

input { stdin { } }

output {

stdout { }
}

i can able to access kibana and logstash but while uploading data to logstash data is not showing in logstash