nomad
26 Feb 2025
Implementing Health Checks in Nomad: A Comprehensive Guide
HashiCorp Nomad is a flexible, enterprise-grade workload orchestrator that can deploy applications across multiple regions and clouds. One of the critical aspects of maintaining a healthy and resilient infrastructure is implementing effective health checks. Health checks ensure that your services are running as expected and can automatically restart or reschedule tasks that fail. In this article, we will explore how to implement health checks in Nomad, ensuring your applications remain robust and reliable.
21 Nov 2024
Exploring Nomad Prometheus Exporter: Monitoring Your Nomad Cluster
In the realm of modern infrastructure management, HashiCorp Nomad has emerged as a powerful tool for orchestrating applications across a diverse set of environments. However, as with any orchestration tool, monitoring the health and performance of your Nomad cluster is crucial. This is where the Nomad Prometheus Exporter comes into play, enabling you to collect and visualize metrics from your Nomad environment using Prometheus. What is Nomad Prometheus Exporter? The Nomad Prometheus Exporter is a tool that exposes metrics from a Nomad cluster in a format that Prometheus can scrape.
21 Nov 2024
Deploying a Web Application with HashiCorp Nomad and Traefik
In the world of modern DevOps, deploying and managing applications efficiently is crucial. HashiCorp Nomad is a flexible, easy-to-use orchestrator that can deploy applications across multiple environments. When combined with Traefik, a dynamic reverse proxy and load balancer, you can efficiently manage and route traffic to your web applications. This article will guide you through setting up a simple web application using Nomad and Traefik. Prerequisites Before we begin, ensure you have the following:
5 Nov 2024
Understanding Nomad Clusters: Architecture, Configuration, and the Raft Algorithm
HashiCorp Nomad is a versatile workload orchestrator that enables organizations to deploy and manage applications across a distributed infrastructure. It is designed to handle a wide range of workloads, from long-running services to batch jobs, and is known for its simplicity, flexibility, and scalability. In this article, we will delve into the architecture of a Nomad cluster, discuss the recommended number of servers, explore the concept of failure domains, and provide an overview of the Raft consensus algorithm that underpins Nomad’s high availability.
5 Nov 2024
Deploying a Nomad Cluster with Consul and Vault on 3 Nodes
Deploying a Nomad cluster integrated with Consul and Vault provides a robust and secure platform for orchestrating workloads. This article will guide you through setting up a three-node cluster, ensuring high availability and security for your applications. Prerequisites Before you begin, ensure you have: Three Linux-based servers (e.g., Ubuntu 20.04) with at least 2 CPUs and 4GB RAM each. SSH access to each server. Basic understanding of HashiCorp tools: Nomad, Consul, and Vault.
1 Nov 2024
Deploying HashiCorp Nomad Using Ansible: A Step-by-Step Guide
HashiCorp Nomad is a flexible, easy-to-use cluster manager and scheduler designed to deploy and manage applications across both on-premises and cloud environments. Ansible, a powerful IT automation tool, can be used to automate the deployment of Nomad, ensuring a consistent and repeatable process. In this article, we will walk through the steps to deploy Nomad using Ansible, focusing on creating an Ansible role for this purpose. Prerequisites Before we begin, ensure you have the following:
20 Oct 2024
Deploying a RabbitMQ Cluster with Three Nodes to Nomad
Introduction RabbitMQ is an open-source message broker that allows applications to communicate with each other by sending messages between them. Deploying RabbitMQ in a clustered configuration can enhance its performance, reliability, and redundancy. In this article, we will discuss how to set up a RabbitMQ cluster with three nodes using HashiCorp Nomad, a tool that simplifies the scheduling and management of microservices. Prerequisites Before we dive into the deployment, ensure you have the following requirements met: