Industrializing a Flask app to attain high availability, scalability, security and reliability.

• Terraform for automated deployment of Ubuntu VMs (Azure).
• Front-end : Loadbalancer/ReverseProxy NginX
• Back-end : 2 Apache webservers, 1 Monitoring server (Nagios, Prometheus), Database Load-balancer using PgPool-II, Master & Slave databases on different VMs (with streaming replication).

Tech used :

• Databases : PostgreSQL, repmgr, patroni, haproxy, pgpool-II, psycopg2, backups (using pg_dump/dumpall) to an azure managed disk.
• Monitoring : Nagios, NRPE, Prometheus, Loki, Grafana
• Webservers : Apache, NGINX
• Bash scripting : Dozens of .sh auto-install scripts, backups scripts, cronjobs

Fully automated deployment with Terraform + Ansible