Issue with running Logstash in docker

I'm trying to run Logstash in docker with Elasticsearch as output, however there are some warnings and errors like:

  • elasticsearch:9200 failed to respond
  • Unable to retrieve license information from license server {:message=>"No Available connections"}

My actions:

  1. Elasticsearch:
docker pull
docker run --name elasticsearch --net elastic -p 9200:9200 -it

Then I'm copying the http_ca.crt

docker cp es01:/usr/share/elasticsearch/config/certs/http_ca.crt .

Elasticsearch is working.

  1. Kibana:
docker pull
docker run --name kib-01 --net elastic -p 5601:5601

Kibana is working as well.

  1. Logstash:

Using this Dockerfile to create and image (logstash.conf and http_ca.crt are in the same dir as the Dockerfile):


RUN rm -f /usr/share/logstash/pipeline/logstash.conf
COPY logstash.conf /usr/share/logstash/pipeline/
COPY http_ca.crt /usr/share/logstash/pipeline/

CMD bin/logstash -f /usr/share/logstash/pipeline/logstash.conf

logstash.conf file looks like:

input {
    http {
        port => 8082

filter {
  grok {
    match => {"message" => "%{NUMBER:custom_number}%{SPACE}%{WORD:custom_text}%{SPACE}%{GREEDYDATA:custom_rest}"}

output {
  elasticsearch {
    hosts => ["elasticsearch:9200"]
    user => "elastic"
    password => "my-password"
    cacert => "/usr/share/logstash/pipeline/http_ca.crt"
  1. Then I'm building and starting Logstash in the same network:
docker build -t img-logstash .
docker run --net elastic img-logstash

What am I doing wrong?

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