Docker Assignments #1 : Default Bridge Network

1. Create two alpine containers with default bridge network
2. Verify if both containers are associated with bridge network
3. Get IP-addresses of both the containers
4. Enter into the first container through interactive mode
5. ping second container using IP-address 
6. ping second container using container name

Step 1:

  By default all containers  will be created under default bridge network

     > docker run -itd --name alpine1 alpine
     > docker run -itd --name alpine2 alpine

Use below command to check both containers are up and running

     > docker ps

Step 2:

Use below command to check both containers are associated with bridge network

    > docker inspect bridge

Step 3:

    use below command to get container IP-address

     > docker inspect alpine1

     > docker inspect alpine2

Step 4:

  Use below command to enter running container using interactive mode

     > docker exec -it alpine1 sh

Step 5:  

      # ping -c 2 172.17.0.5  (i.e. ping will be successful )

Step 6:  

      # ping -c 2 alpine2  (i.e. bad address 'alpine2' )

i.e. All the containers under default bridge network will be communicated only by using container IP-address

Happy Coding :)