This article explains how to build a secure platform using HashiCorp’s stack; many of the steps are well documented, but we missed hints to iron out the wrinkles found in the process; here, we want to show how to glue together the whole procedure. We will highlight in detail the most critical parts explaining where we found issues and how we solved them, and leave references on the official tutorials, if sufficient, to prevent this article from getting too long and difficult to follow.

The Physical Architecture

As shown in the picture below, the physical architecture we want to achieve is composed of a Consul and Nomad cluster of five nodes: three of them are Control Plane nodes configured for High Availability (HA), while the remaining two are Data Plane nodes.

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