Upgrade Docker Compose version

[chirangaalwis]

Description: Current Docker Compose resources refer to version 2.3. It is suggested to upgrade this to version 2.4 (version 2 of Docker Compose file format [1]) or to version 3 of Docker Compose file format [2].

[1]: Docker Compose version 2 file format [2]: Docker Compose version 3 file format

Affected Product Version: WSO2 Enterprise Integrator v6.4.x

Sub Tasks:

• [ ] Evaluate the Docker Compose version 3 constructs
• [ ] Identify differences between the past version (v2.3) and latest version (v3)
• [ ] Integrate the changes to the existing Docker Compose resources
• [ ] Test with Alpine based Docker resources
• [ ] Test with CentOS based Docker resources
• [ ] Test with Ubuntu based Docker resources
• [ ] Peer/Code review