Docker compose ile yalıtılmış DEV, PROD ve STAG ortamlar yaratma

04/02/2018 - DOCKER

Bu örneğimizde DEV, STAG ve PROD ortamları için docker-compose-*.yml dosyaları yaratacağız. Dosyalar ortak ve kendilerine özgü ayar/değişkenler barındıracak.


Kurulum



Ortam değişkenleri



Aksini belirtmediğiniz sürece, Docker varsayılan olarak "docker-compose.yml" ve "docker-compose.override.yml" dosyalarını kullanacağından, docker-compose up komutu DEV ortamını yaratır. Diğer ortamların nasıl yaratılacağını daha sonradan göreceğiz.


Yapı


ubuntu@linux:~/football$ tree -a
.
├── docker
│   ├── docker-compose.override.yml  # DEV (default)
│   ├── docker-compose.prod.yml      # PROD
│   ├── docker-compose.stag.yml      # STAG
│   ├── docker-compose.yml           # Common
│   ├── .env
│   └── nginx
│       ├── Dockerfile               # DEV (default)
│       ├── Dockerfile.prod          # PROD
│       └── Dockerfile.stag          # STAG
├── index.html
└── logs
    └── nginx
        ├── access.log
        └── error.log

4 directories, 11 files

Dosyalar


index.html


ubuntu@linux:~/football$ cat index.html
Hello!

docker/.env


ubuntu@linux:~/football$ cat docker/.env
COMPOSE_PROJECT_NAME=football

NGINX_IP=192.168.0.11
NETWORK_SUBNET=192.168.0.0/24

docker/docker-compose.yml


ubuntu@linux:~/football$ cat docker/docker-compose.yml
version: '3'

services:
    nginx_img:
        container_name: ${COMPOSE_PROJECT_NAME}_nginx_con
        build:
            context: ./nginx
        networks:
            public_net:
                ipv4_address: ${NGINX_IP}

networks:
    public_net:
        driver: bridge
        ipam:
            driver: default
            config:
                - subnet: ${NETWORK_SUBNET}

docker/docker-compose.override.yml


ubuntu@linux:~/football$ cat docker/docker-compose.override.yml
version: '3'

services:
    nginx_img:
        build:
            dockerfile: Dockerfile
        ports:
            - 1000:80
        volumes:
            - ..:/usr/share/nginx/html
            - ../logs/nginx:/var/log/nginx
        environment:
            - ENV=dev

docker/docker-compose.stag.yml


ubuntu@linux:~/football$ cat docker/docker-compose.stag.yml
version: '3'

services:
    nginx_img:
        build:
            dockerfile: Dockerfile.stag
        ports:
            - 80:80
        volumes:
            - ..:/usr/share/nginx/html
        environment:
            - ENV=stag

docker/docker-compose.prod.yml


ubuntu@linux:~/football$ cat docker/docker-compose.prod.yml
version: '3'

services:
    nginx_img:
        build:
            dockerfile: Dockerfile.prod
        ports:
            - 80:80
            - 443:443
        volumes:
            - ..:/usr/share/nginx/html
        environment:
            - ENV=prod

docker/nginx/Dockerfile


ubuntu@linux:~/football$ cat docker/nginx/Dockerfile
FROM nginx:1.13.8

RUN echo 'Dev Dockerfile'

docker/nginx/Dockerfile.stag


ubuntu@linux:~/football$ cat docker/nginx/Dockerfile.stag
FROM nginx:1.13.8

RUN echo 'Stag Dockerfile'

docker/nginx/Dockerfile.prod


ubuntu@linux:~/football$ cat docker/nginx/Dockerfile.prod
FROM nginx:1.13.8

RUN echo 'Prod Dockerfile'

Doğrulama


DEV


ubuntu@linux:~/football/docker$ docker-compose config
networks:
  public_net:
    driver: bridge
    ipam:
      config:
      - subnet: 192.168.0.0/24
      driver: default
services:
  nginx_img:
    build:
      context: /home/ubuntu/football/docker/nginx
      dockerfile: Dockerfile
    container_name: football_nginx_con
    environment:
      ENV: dev
    networks:
      public_net:
        ipv4_address: 192.168.0.11
    ports:
    - 1000:80/tcp
    volumes:
    - /home/ubuntu/football:/usr/share/nginx/html:rw
    - /home/ubuntu/football/logs/nginx:/var/log/nginx:rw
version: '3.0'

STAG


ubuntu@linux:~/football/docker$ NGINX_IP=192.168.0.88 docker-compose -f docker-compose.yml -f docker-compose.stag.yml config
networks:
  public_net:
    driver: bridge
    ipam:
      config:
      - subnet: 192.168.0.0/24
      driver: default
services:
  nginx_img:
    build:
      context: /home/ubuntu/football/docker/nginx
      dockerfile: Dockerfile.stag
    container_name: football_nginx_con
    environment:
      ENV: stag
    networks:
      public_net:
        ipv4_address: 192.168.0.88
    ports:
    - 80:80/tcp
    volumes:
    - /home/ubuntu/football:/usr/share/nginx/html:rw
version: '3.0'

PROD


ubuntu@linux:~/football/docker$ NGINX_IP=192.168.2.99 docker-compose -f docker-compose.yml -f docker-compose.prod.yml config
networks:
  public_net:
    driver: bridge
    ipam:
      config:
      - subnet: 192.168.0.0/24
      driver: default
services:
  nginx_img:
    build:
      context: /home/ubuntu/football/docker/nginx
      dockerfile: Dockerfile.prod
    container_name: football_nginx_con
    environment:
      ENV: prod
    networks:
      public_net:
        ipv4_address: 192.168.2.99
    ports:
    - 80:80/tcp
    - 443:443/tcp
    volumes:
    - /home/ubuntu/football:/usr/share/nginx/html:rw
version: '3.0'

Kurulum


DEV


ubuntu@linux:~/football/docker$ docker-compose up -d --build

Dev Dockerfile

ubuntu@linux:~$ docker exec -it football_nginx_con printenv ENV
dev

ubuntu@linux:~$ curl 192.168.0.11
Hello!

STAG


ubuntu@linux:~/football/docker$ NGINX_IP=192.168.0.88 docker-compose -f docker-compose.yml -f docker-compose.stag.yml up -d --build

Stag Dockerfile

ubuntu@linux:~$ curl 192.168.0.88
Hello!

ubuntu@linux:~$ docker exec -it football_nginx_con printenv ENV
stag

PROD


ubuntu@linux:~/football/docker$ NGINX_IP=192.168.0.99 docker-compose -f docker-compose.yml -f docker-compose.prod.yml up -d --build

Prod Dockerfile

ubuntu@linux:~$ curl 192.168.0.99
Hello!

ubuntu@linux:~$ docker exec -it football_nginx_con printenv ENV
prod