Multi-tier platform-as-a-service (paas) deployment reduced to single-tier architecture for development

A non-transitory machine-readable storage medium including data that, when accessed by a processing device, cause the processing device to perform operations comprising:

• mapping, by the processing device, multiple tiers of a PaaS system to a consolidated environment executable on a virtual machine (VM), wherein networking stacks of the VM maintain a separation between the multiple tiers in the consolidated environment;
• and
• providing, by the processing device, the consolidated environment as a development instance of the PaaS system for execution on the VM, the consolidated environment facilitating testing of code changes to the PaaS system.