apt-key adv --keyserver hkp://pgp.mit.edu:80 --recv-keys 58118E89F3A912897C070ADBF76221572C52609D
echo "deb https://apt.dockerproject.org/repo ubuntu-trusty main" > /etc/apt/sources.list.d/docker.list
apt-get update
apt-get purge lxc-docker*
apt-get install -y docker-engine
service docker start
docker run hello-world
usermod -aG docker <username>
docker pull ubuntu:latest # To pull latest ubuntu image
docker images # Displays all images
docker run -i -t ubuntu:latest /bin/bash # Runs ubuntu container with
bash prompt
docker search centos
docker info
docker pull ubuntu:latest
docker run -it ubuntu:latest /bin/bash
# apt-get update
# apt-get install curl
Installing nginx, php on ubuntu. Refer: https://www.digitalocean.com/community/tutorials/how-to-install-linux-nginx-mysql-php-lemp-stack-on-ubuntu-12-04
After installing nginx, php and create an index.php exit from container and commit.
Configuration for:
container nginx conf:
path: /etc/nginx/sites-available/default
config file: templates/nginx_with__php/default_container
VM nginx conf (for loadbalancing)
:
path: /etc/nginx/sites-available/default
config file: templates/nginx_with__php/default_vm
index.php
path: /var/www/html/index.php
file: templates/nginx_with__php/index.php
Starting nginx and php5-fpm run when container boots up. Append the following lines to ~/.bashrc.
service nginx start
service php5-fpm start
Committing and pushing to Dockerhub.
docker commit <id> <dockerhub_username>/<image_name>:<tag>
eg: docker commit 43cb7dc12ecf goutham2027/ubuntu:with_nginx_php
docker push goutham2027/ubuntu:with_nginx_php
Lets remove the image and pull from Dockerhub.
docker rmi <image id>
docker pull goutham2027/ubuntu:with_nginx_php
docker images
Starting two containers.
docker run -dit -p 8081:80 goutham2027/ubuntu:with_nginx_php /bin/bash
docker run -dit -p 8082:80 goutham2027/ubuntu:with_nginx_php /bin/bash
Lets curl from VM. It displays the image id of the container serving the request.
curl localhost:8081
curl localhost:8082
As reverse proxy has been setup, we can directly access VMs IP
curl <localhost>/<IP of VM>
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