Weekend Load balanced Application and DB Cluster Deployment with HAProxy

@Hrolgar

Before any of this goes live, there is a real choice to settle on how HAProxy tells a writer from a replica, because Postgres and MySQL do not hand you the same signal. Patroni with etcd as the DCS gives Postgres clean automatic failover and a REST health check on port 8008 that HAProxy can poll directly. MySQL could run Group Replication with its own metadata store, but stacking that on the same four boxes as etcd means two consensus layers competing for the same disks, so I would run single-primary Group Replication with a lightweight check script instead and keep etcd as the only DCS on the data tier. App tier is the mechanical half. Three nodes behind Cloudflare's active-active balancer, PHP-FPM and Node pinned to your versions, Redis in three-node cluster mode reached directly by the app rather than through HAProxy. Prometheus with node, mysqld, postgres and redis exporters on every box, one Grafana board carrying CPU, memory, uptime, per-interface traffic and live query activity. I would stage this across the weekend rather than hand it over cold Monday morning, with a checkpoint after each milestone so you can watch the cutover happen instead of hoping it's done in time. 60,000 INR over three days is a first cut off the brief. The number most likely to move it is whether MySQL needs to stay single-primary or has to tolerate writes hitting more than one node, since that changes what HAProxy has to route around on failure. M1: Postgres Patroni cluster, MySQL Group Replication, HAProxy write/read routing, ₹19,800, 1 day. M2: App tier and Redis cluster behind Cloudflare, ₹21,000, 1 day. M3: Monitoring stack, staged cutover checkpoints, final verification, ₹19,200, 1 day.

@AZTURK1

Hi there, I saw your architecture plan for the 7 Ubuntu bare-metal boxes. Setting up the 3 app nodes with your PHP/Node versions and Redis cluster, plus the 4-node data tier with HAProxy read/write split for MySQL and Postgres alongside Grafana dashboards, is straightforward work for me. What I'll do: ✅ Provision the 3-node Redis cluster and app runtimes on the first three nodes, linked to Cloudflare load balancing. ✅ Deploy high-availability clusters for MySQL and Postgres across the 4 data nodes, configured through HAProxy with dedicated read/write ports and automated health-check failover. ✅ Roll out Prometheus, node-exporters, and DB/Redis metrics with customized Grafana dashboards, fully testing failover scenarios and top-query logging before handing off. Relevant skills: ✅ Linux server automation & bare-metal clustering ✅ HAProxy read/write splitting & failover configuration ✅ MySQL & PostgreSQL HA replication setups ✅ Redis clustering & Prometheus/Grafana observability ✅ Microsoft® Certified: MCSA | MCSE | MCT ✅ 300+ projects delivered, 280+ five-star reviews Why me: Fast responses and round-the-clock availability until the build meets every Monday check. For the DB cluster on the 4 data nodes, are you looking for Galera/Group Replication for MySQL and Patroni/repmgr for Postgres, or a specific clustering toolset you prefer? I can deliver in 1 day for 20400 INR and can start right now.

@android2014213

Hi, I can install and configure all required servers in Linux and windows (if required). I am interested to start this project as required. Thanks Ashish A.

@santoshkumars17

As a seasoned Full Stack Web and Mobile App Developer with five plus years of experience, I offer valuable skills that directly align with the demands of your project. Not only have I honed my Node.js expertise in various successful ventures, but I also bring considerable PHP proficiency which will be useful for one aspect of your architecture. Consequently, I am not just able to install your preferred versions of PHP and Node.js, but can ensure they are fine-tuned to maximize your system's performance. Moreover, my experience includes setting up complex databases on an array of platforms, making me an excellent fit for configuring your MySQL and Postgres clusters. My understanding of both read/write awareness and fail-over on HAProxy will enable me to optimize your application traffic, internal as well as external. Further, my capabilities extends to incorporating Grafana (with Prometheus) for comprehensive monitoring; a skill that you deem significant. In conclusion, my technical know-how in Ubuntu server automation combined with HAProxy tuning and database clustering is just what you require for a speedy yet meticulous project completion. Not only do

@TechizeBuilder

Dear Client, I read "Weekend Load balanced Application and DB Cluster Deployment with HAProxy" carefully and understand what you're looking to achieve with this Mern Stack Development project. My hands-on experience with MySQL, Node.js, Redis aligns directly with what you need. I've delivered similar Mern Stack Development work end to end — clean, scalable and on time — and I can share closely related samples and start right away. A few quick questions to get us started: 1. Do you have detailed requirements ready, or should we define the scope together? 2. What's your target timeline for the first working version? 3. Are there existing designs, code or systems I should build on? Thanks & Regards, Deepak

@chetanprajapat

The critical part of this weekend deployment is making the seven-node setup behave as one reliable production environment—not simply installing the individual services. I can handle the Ubuntu provisioning, HAProxy traffic/failover configuration, Redis cluster setup, database HA, Cloudflare integration, and Prometheus/Grafana monitoring as one coordinated deployment. I’d structure the rollout so the application tier is active-active, HAProxy handles the correct database read/write paths and failure detection, and every node reports the required system, database and Redis metrics. I’d also validate failover and the Monday-morning acceptance checks rather than treating installation as completion. Your supplied versions can be followed exactly, with the final setup documented so it is maintainable after handover. Share the exact version matrix and any preferred HA topology for MySQL/Postgres, and I can map the deployment sequence before starting.

@mobasherreza10

Hi there, As the founder of Aesthetic Logic and a proficient DevOps engineer, I can confidently ensure the success of your project to meet your specific requirements. With my extensive experience in MySQL and Node.js, I have completed numerous large-scale projects similar to yours, focusing on high availability and load balancing. Specifically, I have proven experience in handling complex server architectures, clustering databases, configuring HAProxy for read/write awareness and fail-over, as well as implementing monitoring systems with Grafana, Prometheus and the relevant exporters — skills essential to delivering your requested architecture accurately. Best regards, Mobasher Reza

@mahads31

With over a decade of experience in Linux administration, server deployment, and cluster management, I am the ideal candidate for your weekend project. Not only do I have extensive knowledge of load balancing tools such as HAProxy but I'm also proficient with Linux distributions like Ubuntu. In addition to this, my adeptness in MySQL and Node.js will ensure a smooth and precise configuration process, especially when it comes to setting up your highly-available database cluster across four servers. Marrying automation and observability are paramount for a quick deployment like yours. That's why I pride myself on my proficiency in Grafana and Prometheus toolchains - precisely why every box will have richly detailed dashboards capturing key health metrics of your application stack - from CPU, memory usage to LAN/WAN traffic per interface. I understand your project requires not just a timely setup, but a reliable one built for long-term business growth. As a strategic partner, I am committed to that vision. I’m ready to start working with your precise PHP, Node.js, MySQL and Postgres versions and will be available for direct communication in case we need to brainstorm or make any crucial decisions along the way. With me at the helm of your project, you will have an efficient and scalable system that focuses on reliability—perfect for long-lasting success!

@buttphool6991

I can prepare the seven Ubuntu servers for the requested high-availability application and database layout. I will install the supplied PHP and Node.js versions, configure Cloudflare and HAProxy for active-passive traffic, and build the three-node Redis cluster. I will set up MySQL and Postgres replication across the data tier with clear failover behavior and health checks. I will also add practical monitoring notes and validate read/write routing, recovery, and application connectivity before handover. Regards, Phool

@koolvishruth

Hi there, I am from banglore.I am available immediately. I'll build this as three layers: app tier (PHP/Node behind Cloudflare active-active, 3-node Redis cluster), data tier (MySQL and Postgres HA clusters across the 4 machines, HAProxy in front for read/write-aware routing and failover), and Grafana/Prometheus with the full exporter set on every box so all your CPU, memory, network, and query metrics are visible in one place. For the weekend timeline, I'd script the setup with Ansible rather than manual SSH config across seven boxes — faster, repeatable, and easier to fix quickly if one server needs a redo. One flag worth raising early: true HA on MySQL and Postgres across 4 shared machines needs careful node allocation (replication topology, failover quorum) — I'd confirm your exact version list and preferred HA approach (e.g., Galera/Group Replication for MySQL, Patroni for Postgres) before starting, since that decision shapes the whole data tier. I have worked here with more than 130+ clients. Send over the version list and access whenever you're ready to start.

@Arunkvalecha

Dear Client, I have hands-on experience with exactly this stack — Ubuntu server automation, HAProxy load balancing with read/write split, MySQL/Postgres HA clustering, Redis clustering, Cloudflare load balancer setup, and full Grafana/Prometheus observability — and can get all 7 servers production-ready with monitoring live by Monday 10:30 AM IST. Best regards, Arun Kumar

@cybexsoftadmin

Hi, I have extensive hands-on experience with Ubuntu bare-metal automation, HAProxy tuning, multi-node Redis/MySQL/Postgres clustering, and full Grafana-Prometheus observability stacks. I can deliver your 7-server production setup cleanly before Monday. My approach will be: 1. Harden and configure the 3 app servers with your exact PHP/Node.js versions, Redis 3-node cluster, and Cloudflare active-active load balancer integration. 2. Build a highly-available MySQL + Postgres cluster across the 4 data servers with proper replication and failover. 3. Front everything with HAProxy configured for read/write awareness and seamless fail-over. 4. Deploy Grafana + Prometheus (node, MySQL, Postgres, Redis exporters) on every box with the exact CPU/memory/uptime/traffic and top-queries dashboards you need. Deliverables: fully operational stack by Monday 10:30 IST India, verified push-to-VIP, DB routing, and live dashboards, plus brief handover notes. Quick questions: 1. Preferred Redis/MySQL/Postgres clustering method (e.g. Redis Sentinel/Cluster, Galera, Patroni)? 2. Any existing internal DNS or VLAN constraints I should know? You’ll have a clean, monitored, production-ready environment ready for your apps. Best Regards, Rahul

@Manish502

Hi there, I understand you need 7 Ubuntu bare-metal servers production-ready by Monday morning, with HA, load balancing, database clustering and complete monitoring. I can configure the 3-server application tier, Cloudflare active-active, HAProxy, 3-node Redis cluster, and 4-server MySQL/PostgreSQL HA environment according to the exact versions and requirements you provide. I’ll also set up Prometheus, Grafana and the required exporters for system, network, MySQL, PostgreSQL and Redis metrics. Before handover, I’ll test application access, HAProxy routing, database/Redis failover and server-failure scenarios to ensure the environment is genuinely production-ready. I have strong hands-on experience with Ubuntu/Linux, HAProxy, Redis, MySQL/PostgreSQL, Cloudflare and Grafana/Prometheus. I’m ready to begin as soon as access is provided and work through the weekend toward your Monday deadline.

@nakabirik

Hello, I have read your project requirement description carfully! The key is making all seven Ubuntu nodes fail-safe before Monday, especially the database topology, HAProxy routing and Redis cluster rather than simply installing individual services. I can handle the deployment with repeatable server configuration and validate each failover path. I’ll build the 3-node Redis cluster and application tier, configure HAProxy with health checks and backend failover, and establish the MySQL/Postgres HA topology across the four data nodes based on your supplied versions. Prometheus, node/exporter metrics and Grafana dashboards will be deployed consistently across all servers, including query and interface monitoring. I’ve used Docker/CI-CD in production and worked on AWS data-mining infrastructure where reliability and service observability were critical. Can you confirm which MySQL/Postgres HA technology you want to use, or should I select the safest topology for these four nodes? Looking forward to working with you. Muheebwa

@robertn248

Hi, I can set up the seven Ubuntu bare-metal servers as a production-ready HA environment, including the application tier, database tier, HAProxy, Redis cluster, Cloudflare load balancing, and full Grafana/Prometheus monitoring. I’ll configure the specified PHP/Node.js versions, active-active application routing, 3-node Redis, HA MySQL/PostgreSQL architecture, HAProxy read/write routing and failover, plus node/database/Redis exporters and dashboards for system and query-level metrics. I’ll automate the configuration where practical, document the architecture and recovery procedures, and perform failover and end-to-end tests against your acceptance criteria before handover. I’m available for the weekend deployment and can work directly with your provided version list and server access. I’ll also flag any HA limitations or database topology concerns before applying changes rather than deploying an unsafe configuration.

@Himanshu123gupta

Hi, I’m a Senior Full Stack Developer with 8+ years of experience working with PHP/Laravel, Node.js, MySQL, APIs, VPS/server environments and production deployments. I understand the requested architecture: 3 application servers behind Cloudflare/HAProxy, Redis cluster, highly available MySQL/PostgreSQL data tier, and centralized Prometheus/Grafana monitoring with the required exporters. I can work through the deployment systematically—server preparation, application/runtime configuration, HAProxy routing and failover, Redis setup, database HA configuration, monitoring exporters, Grafana dashboards, and final failover/health checks. I’m comfortable working directly over SSH and documenting the configuration so the environment is maintainable after deployment. I can align the implementation with your exact PHP, Node.js, MySQL and PostgreSQL versions and the Monday 10:30 AM IST acceptance target. Regards, TechAvinya

@ujjwalmahar01

I can handle this deployment by scripting the Ubuntu hardening and cluster setup using Ansible to ensure consistency across all seven bare-metal servers. My recent work with AWS and Docker clusters has given me the experience to configure HAProxy for read/write splitting and manage the fail-over logic you need for your data tier. I will focus on setting up the Prometheus and Grafana stack first to ensure we have full observability while we perform the database and application tier migrations. I am fully available this weekend to meet your Monday morning deadline. A few questions to better understand the scope: Q1 - Do you have a preference for the database clustering technology like Galera for MySQL or Patroni for Postgres? Q2 - Are there specific firewall rules or VLAN configurations required for the private network between the app and data tiers? Q3 - Is the Cloudflare load balancer already provisioned with the necessary API tokens for automated configuration? I am ready to start as soon as you provide the server access and software version lists.

@pooja10verma

Building a reliable freelance platform requires a careful balance of intuitive UX and robust backend architecture, especially when managing user profiles, secure messaging, and escrow-based milestone payments. To deliver a secure and scalable marketplace for the Freelancer project, I would focus first on creating a frictionless onboarding flow for both clients and talent, followed by a streamlined dashboard for tracking deliverables. Since user verification is critical for trust in this space, should we implement a tiered verification system (such as ID checks and portfolio vetting) at launch, or keep the initial registration open and layer that in later? Let’s connect to discuss your preferred tech stack and timeline for the MVP.

@amannamdev5081

Hi I can prepare your seven Ubuntu bare-metal servers for production with a structured DevOps approach focused on reliability, failover, and clear validation before the deadline. I’ll configure the three application servers with the supplied PHP and Node.js versions, Cloudflare active-active load balancing, HAProxy, and a three-node Redis cluster. The four data servers will be configured for highly available MySQL and PostgreSQL deployments, with HAProxy routing and health checks designed for correct read/write behavior and automatic failover. For observability, I’ll deploy Prometheus, Grafana, node exporter, and MySQL, PostgreSQL, and Redis exporters across all servers. Dashboards will cover CPU, memory, uptime, LAN/WAN traffic by interface, service health, replication status, and live query-related metrics where supported by the database and exporter versions. I’ll use Ansible or repeatable shell automation wherever practical, document all configuration and recovery steps, secure service access, and test application access, database writes, failover, and dashboard visibility against your acceptance criteria. Could you confirm which HA technologies you prefer for MySQL and PostgreSQL, such as Galera/Group Replication and Patroni, and whether the four data servers have separate disks or dedicated replication network interfaces? Best Regards, Aman

@VividusDesigns

Hi, I have hands-on experience managing my own production infrastructure on both Linode and AWS using Coolify, with automated CI/CD pipelines, Docker-based deployments, and Cloudflare for DNS, security, SSL, and traffic management. I’m comfortable working directly with Ubuntu servers, HAProxy, MySQL/PostgreSQL, Redis, Cloudflare load balancing, and setting up monitoring stacks with Prometheus and Grafana. I can configure your 7-server architecture, including the application and database tiers, clustering, failover, HAProxy routing, Redis cluster, and the required Grafana dashboards. I can work independently via SSH and focus on having the complete environment production-ready and tested before your Monday 10:30 AM India deadline. Thanks, Vivek