Envy proxy with ZeroMQ

Solution tested on DigitalOcean Droplet. In case of re-creation VM follow this article.

Introduction

Let's implement some basic ZeroMQ publisher and subscriber in Golang. Utilize Envoy as a proxy.

Implmentation

Demo

1. Run environment(droplet)

   docker-compose up

2. Open another terminal's windows(workstation)

3. Grab droplet's IP(workstation)

   export IP=$(tf output -raw public_ip)

4. Watch logs(workstation)

5. Run CURL command(workstation)

   curl -i --request POST   --url http://"$IP":8080/   --header 'Content-Type: application/json'   --data '{
       "title": "test",
       "content": "this is test message"
   }'