Commit a71996d9 authored by Antoine Cotten's avatar Antoine Cotten

Default to single-node to disable bootstrap checks

Closes #108
parent 4708235b
......@@ -22,11 +22,6 @@ Based on the official images:
2. Install [Docker-compose](http://docs.docker.com/compose/install/) **version >= 1.6**.
3. Clone this repository
## Increase `vm.max_map_count` on your host
You need to increase the `vm.max_map_count` kernel setting on your Docker host.
To do this follow the recommended instructions from the Elastic documentation: [Install Elasticsearch with Docker](https://www.elastic.co/guide/en/elasticsearch/reference/current/docker.html#docker-cli-run-prod-mode)
## SELinux
On distributions which have SELinux enabled out-of-the-box you will need to either re-context the files or set SELinux into Permissive mode in order for docker-elk to start properly.
......@@ -111,25 +106,7 @@ In the above example the folder `logstash/config` is mapped onto the container `
## How can I tune Elasticsearch configuration?
The Elasticsearch container is using the [shipped configuration](https://github.com/elastic/elasticsearch-docker/blob/master/build/elasticsearch/elasticsearch.yml).
If you want to override the default configuration, create a file `elasticsearch/config/elasticsearch.yml` and add your configuration in it.
Then, you'll need to map your configuration file inside the container in the `docker-compose.yml`. Update the elasticsearch container declaration to:
```yml
elasticsearch:
build: elasticsearch/
ports:
- "9200:9200"
- "9300:9300"
environment:
ES_JAVA_OPTS: "-Xmx256m -Xms256m"
networks:
- elk
volumes:
- ./elasticsearch/config/elasticsearch.yml:/usr/share/elasticsearch/config/elasticsearch.yml
```
The Elasticsearch configuration is stored in `elasticsearch/config/elasticsearch.yml`.
You can also specify the options you want to override directly via environment variables:
......@@ -199,7 +176,7 @@ The startup scripts for Elasticsearch and Logstash can append extra JVM options
| Elasticsearch | ES_JAVA_OPTS |
| Logstash | LS_JAVA_OPTS |
To accomodate environments where memory is scarce (Docker for Mac has only 2 GB available by default), the Heap Size allocation is capped by default to 256MB per service within the `docker-compose.yml` file. If you want to override the default JVM configuration, edit the matching environment variable(s) in the `docker-compose.yml` file.
To accomodate environments where memory is scarce (Docker for Mac has only 2 GB available by default), the Heap Size allocation is capped by default to 256MB per service in the `docker-compose.yml` file. If you want to override the default JVM configuration, edit the matching environment variable(s) in the `docker-compose.yml` file.
For example, to increase the maximum JVM Heap Size for Logstash:
......
......@@ -4,6 +4,8 @@ services:
elasticsearch:
build: elasticsearch/
volumes:
- ./elasticsearch/config/elasticsearch.yml:/usr/share/elasticsearch/config/elasticsearch.yml
ports:
- "9200:9200"
- "9300:9300"
......
Ensure the existence of the parent folder.
---
## Default Elasticsearch configuration from elasticsearch-docker.
## from https://github.com/elastic/elasticsearch-docker/blob/master/build/elasticsearch/elasticsearch.yml
#
cluster.name: "docker-cluster"
network.host: 0.0.0.0
# minimum_master_nodes need to be explicitly set when bound on a public IP
# set to 1 to allow single node clusters
# Details: https://github.com/elastic/elasticsearch/pull/17288
discovery.zen.minimum_master_nodes: 1
## Use single node discovery in order to disable production mode and avoid bootstrap checks
## see https://www.elastic.co/guide/en/elasticsearch/reference/current/bootstrap-checks.html
#
discovery.type: single-node
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