Docker_1.md

Create Docker EC2 Intstance

• Amazon Linux 2 AMI
• t2.micro
• Add Tags, name Name, value Docker-Host
• Select an existing Security Group, DevOps_Security_Group
• Choose existing key pair DevOps_Project_key RSA

Launch

Open docker server from MobaXterm

• login as : ec2-user
• install docker

sudo su - 
yum install docker -y

service docker status
service docker start
service docker status

docker images
docker ps
docker ps -a
docker --help

vi /etc/hostname

• change the name to dockerhost
• init 6 to reboot server
• login as ec2-user
• sudo su -

Open docker hub

Docker Hub

1. search for tomcat images

Docker server

service docker status
service docker start
docker pull tomcat

docker images
docker run -d --name tomcat-container -p 8081:8080 tomcat

docker ps -a

Access Docker from eksternally

1. Open AWS Instance
2. Open docker security groups link as a new link tab
3. Edit inbound rules
4. add rule custom tcp with port range 8081-9000, anywhere, 0.0.0.0/0
5. save
6. copy public ipv4 docker server + :8081

Docker server

8. login to docker tomcat container

docker exec -it tomcat-container /bin/bash
ls
cd webapps.dist
ls
cp -R * ../webapps/
cd ../webapps
ls

Open docker web server

1. refresh pages

Open docker server

exit
docker ps -a
docker stop tomcat-container 
docker ps -a
docker ps

docker run -d --name tomcat2 -p 8082:8080 tomcat:latest
docker ps

Open docker web

1. change the port with new container port :8082