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This page describes how to create a Docker environment and launch a Geode cluster using docker-compose.

❗ You must first install Docker and Docker Compose. See References for download links.

create_docker -cluster mydocker

By default, the create_docker command adds two (2) Geode servers (members) in the cluster. You can change the number of servers using the -count option. For example, the following command adds four (4) servers.

# Create Hazelcast cluster with 4 members
create_docker -cluster mydocker -count 4

If you are running Docker containers other than Geode containers and they need to connect to the Geode cluster, then specify host IP address that is accessble form the containers using the -host option. For example, the following example specifies the host IP, host.docker.internal, which is defined by Docker Desktop. Please run create_docker -? or man create_docker for the usage.

create_docker -cluster mydocker -host host.docker.internal

First, change directory to mydocker.

cd_docker mydocker

The mydocker directory structure is shown below.

mydocker
├── .env
├── README.md
├── docker-compose.yaml
└── padogrid
    ├── etc
    │   ├── cache.xml
    │   ├── gemfire.properties
    │   ├── hibernate.cfg-mysql.xml
    │   ├── hibernate.cfg-postgresql.xml
    │   ├── log4j2.properties
    │   └── prometheus.yml
    ├── lib
    │   ├── padogrid-core-0.9.0-SNAPSHOT.jar
    │   ├── jmx_prometheus_javaagent-0.11.0.jar
    │   ├── log4j-api-2.11.2.jar
    │   └── log4j-core-2.11.2.jar
    ├── log
    ├── plugins
    │   └── padogrid-core-0.9.0-SNAPSHOT-tests.jar
    └── stats

Edit the .env file as needed. For example, you can change the host IP by setting the HOSTNAME_FOR_CLIENTS environment variable in this file.

vi .env

Configure Geode servers by editing padogrid/etc/gemfire.properties and padogrid/etc/cache.xml.

vi padogrid/etc/gemfire.properties
vi padogrid/etc/cache.xml

Place your application jar files in the padogrid/plugins directory, which already contains PadoGrid test jar for running perf_test.

ls padogrid/plugins/

docker-compose up

gfsh must be run in the locator container.

docker container exec -it mydocker_locator_1 bash
gfsh
gfsh>connect --locator=locator[10334]
gfsh>list members

Output:

Member Count : 3

 Name   | Id
------- | -------------------------------------------------------------
locator | 192.168.128.2(locator:35:locator)<ec><v0>:41000 [Coordinator]
server1 | 192.168.128.3(server1:33)<v1>:41000
server2 | 192.168.128.4(server2:33)<v1>:41000

URL: http://localhost:7070/pulse

URL: http://localhost:7080/geode/swagger-ui.html

You can run perf_test as is without modifications.

create_app
cd_app perf_test; cd bin_sh
./test_ingestion -run

Ctrl-C from the docker-compose up command and prune the containers.

docker-compose down
docker container prune

1. Install Docker, https://docs.docker.com/install/.
2. Install Docker Compose, https://docs.docker.com/compose/install/.

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