README

Auto launch:

Launch 3 node emqttd cluster with HAProxy load balancing

. ./launcher/launch.sh

Remove all containers

. ./launcher/cleanup.sh

Manual launch

Build the docker images

docker build -t broker:latest ./broker
docker build -t proxy:latest ./proxy 

Launch EMQ1

docker run --rm -ti --name emq1 -p 18083:18083 \
    -e EMQ_NAME="emq1" \
    -e EMQ_MQTT__LISTENER__TCP=1883 \
    broker:latest

Launch EMQ2 and join cluster (use emq1's IP)

docker run --rm -ti --name emq2 -p 18084:18083 \
    -e EMQ_NAME="emq2" \
    -e EMQ_MQTT__LISTENER__TCP=1883 \
    -e EMQ_JOIN_CLUSTER="[email protected]" \
    broker:latest

Launch EMQ3 and join cluster (use emq1's IP)

docker run --rm -ti --name emq3 -p 18085:18083 \
    -e EMQ_NAME="emq3" \
    -e EMQ_MQTT__LISTENER__TCP=1883 \
    -e EMQ_JOIN_CLUSTER="[email protected]" \
    broker:latest

Create haproxy.cfg

cp ./proxy/template.haproxy.cfg ./proxy/haproxy.cfg

Open ./proxy/haproxy.cfg and add broker IPs

Launch HAProxy

docker run --rm -ti  --name hap1 -p 80:80 -p 1883:1883 proxy:latest

Test with mosquitto

mosquitto_sub -h 192.168.99.100 -p 1883 -t test
mosquitto_pub -h 192.168.99.100 -p 1883 -t test -m 'hello world'

You can bring up dashboards for each broker at 192.168.99.100:18083-18085 Username=admin Password=public