Running a Logging Pipeline Locally

You may wish to test a logging pipeline locally to observe how it deals with log messages. The following is a walk-through for running Fluent Bit and Elasticsearch locally with Docker Compose which can serve as an example for testing other plugins locally.
Create a Configuration File
Refer to the Configuration File section to create a configuration to test.
fluent-bit.conf:
[INPUT]
  Name dummy
  Dummy {"top": {".dotted": "value"}}
​
[OUTPUT]
  Name es
  Host elasticsearch
  Replace_Dots On
Docker Compose
Use Docker Compose to run Fluent Bit (with the configuration file mounted) and Elasticsearch.
docker-compose.yaml:
version: "3.7"
​
services:
  fluent-bit:
    image: fluent/fluent-bit
    volumes:
      - ./fluent-bit.conf:/fluent-bit/etc/fluent-bit.conf
    depends_on:
      - elasticsearch
  elasticsearch:
    image: elasticsearch:7.6.2
    ports:
      - "9200:9200"
    environment:
      - discovery.type=single-node
View indexed logs
To view indexed logs run:
curl "localhost:9200/_search?pretty" \
  -H 'Content-Type: application/json' \
  -d'{ "query": { "match_all": {} }}'
To "start fresh", delete the index by running:
curl -X DELETE "localhost:9200/fluent-bit?pretty"

Local Testing - Previous

Validating your Data and Structure

Next - Data Pipeline

Pipeline Monitoring

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Create a Configuration File

Docker Compose

View indexed logs