Docker Command Part-25 By Raj Gupta

                           How to create nginx container by using docker compose


[ec2-user@ip-172-31-95-65 ~]$ sudo -i
[root@ip-172-31-95-65 ~]# vi docker-compose.yml
[root@ip-172-31-95-65 ~]# cat docker-compose.yml
version: '3'
services:
  webapp1:
    image: nginx
    ports:
      - "8000:80"

[root@ip-172-31-95-65 ~]# docker-compose up -d     ------To run the docker compose file

[root@ip-172-31-95-65 ~]# docker container ls

CONTAINER ID        IMAGE               COMMAND                  CREATED              STATUS              PORTS                  NAMES

89992e0f59e7        nginx               "nginx -g 'daemon of…"   About a minute ago   Up About a minute   0.0.0.0:8000->80/tcp   root_webapp1_1

[root@ip-172-31-95-65 ~]# docker network ls

NETWORK ID          NAME                DRIVER              SCOPE

7263963a2ee3        bridge              bridge              local

6e7b7c015f1e        host                host                local

a8d46c14262d        none                null                local

3c94972e3a5f        root_default        bridge              local

Now to delete all the resource which are created by docker compose file

[root@ip-172-31-95-65 ~]# docker-compose down

Stopping root_webapp1_1 ... done

Removing root_webapp1_1 ... done

Removing network root_default

[root@ip-172-31-95-65 ~]#

-------------------------------------------------------------------------------------------------------------

Now create two container by use of docker compose

[root@ip-172-31-95-65 ~]# vi docker-compose.yml

[root@ip-172-31-95-65 ~]# cat docker-compose.yml

version: '3'

services:

  webapp1:

    image: nginx

    ports:

      - "8000:80"

  webapp2:

    image: nginx

    ports:

      - "8001:80"

[root@ip-172-31-95-65 ~]# docker-compose  up

If you change any particlar line then only taht container will re-create and reaming will be same like i am going to cahne port nuber of conatiner two

[root@ip-172-31-95-65 ~]# vi docker-compose.yml

[root@ip-172-31-95-65 ~]# cat docker-compose.yml

version: '3'

services:

  webapp1:

    image: nginx

    ports:

      - "8000:80"

  webapp2:

    image: nginx

    ports:

      - "8002:80"

[root@ip-172-31-95-65 ~]# docker-compose up -d

root_webapp1_1 is up-to-date

Recreating root_webapp2_1 ... done