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04 / Infrastructure / containerized servicesContainerized infrastructure

Inception

A multi-service web stack assembled as isolated containers with durable storage, TLS, and explicit service boundaries.

Role
Infrastructure design, container configuration, shell automation, and service hardening.
Stack
Docker / Docker Compose / Nginx / MariaDB / WordPress / Redis / Linux
01 /

Overview

Infrastructure that can be rebuilt, inspected, and reasoned about.

What it is

A multi-service web stack assembled as isolated containers with durable storage, TLS, and explicit service boundaries.

The problem

The constraint shaped the system.

The system needed reproducible provisioning while keeping data durable and services independently understandable.

The approach

Responsibilities made explicit.

Purpose-built containers communicate through a controlled network, persist state through named volumes, and expose only the necessary edges through Nginx.

02 /

Service topology

A rebuildable stack with durable state.

The public edge, application runtime, database, cache, administration, and storage responsibilities are separated into explicit services.

  1. 01Client
  2. 02Nginx / TLS
  3. 03WordPress
  4. 04MariaDB
Supporting concerns
  • Redis
  • FTP
  • Adminer
  • Portainer
  • Persistent volumes
03 /

Engineering

Isolation with explicit dependencies.

  1. 01

    Service separation

    Purpose-built containers keep Nginx, WordPress, MariaDB, and supporting services independently understandable.

  2. 02

    Public boundary

    Nginx terminates TLS and exposes the necessary public edge while application services remain on the internal network.

  3. 03

    Durable state

    Named volumes separate persistent database and application data from replaceable containers.

  4. 04

    Supporting services

    Redis, FTP, Adminer, and Portainer extend caching, access, administration, and inspection without collapsing service boundaries.

04 /

System scope

  • 01Service isolation
  • 02TLS termination
  • 03Persistent volumes
  • 04WordPress runtime
  • 05Database provisioning
  • 06Redis caching
  • 07FTP access
  • 08Admin tooling
Stack
  • Docker
  • Docker Compose
  • Nginx
  • MariaDB
  • WordPress
  • Redis
  • Linux
05 /

Engineering takeaway

Containers are most useful when they reinforce good service boundaries rather than merely packaging a monolith.
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