Intermediate 14 min

Deploy a stack with Docker Composer

Run app, database and cache with a docker-compose.yml file.

#Docker Composer#Stack#Deploy

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Objective

Deploy a complete application (frontend, API, database) with Docker Compose on your VPS.

Architecture Docker Composer — Several containers orchestrated by a single YAML file

Prerequisite

Docker installed (guide Docker)
Docker Composer plugin : docker compose version

Example docker-compose.yll

services:
  web:
    image: nginx:alpine
    ports: ["80:80"]
    volumes: ["./site:/usr/share/nginx/html"]
  db:
    image: mariadb:11
    environment:
      MYSQL_ROOT_PASSWORD: change_me
      MYSQL_DATABASE: app
    volumes: ["db_data:/var/lib/mysql"]
volumes:
  db_data:

Create Project Folder
mkdir -p ~/stack && cd ~/stack then place the file docker-compose.yml.
Start
docker compose up -d
Check
docker compose ps, all services must be running.
Logs
docker compose logs -f web to diagnose.

Related guides

Install Docker
Secure MySQL