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project_9_Containerize_a_simple_website.md

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Containerize a simple website

Tools

  • docker
  • ec2 or vm
  • dockerhub account

STAGE 1

launch an instance (ec2 or vm)

  • after launching instance, log in to the acount
  • ensure u allow all port from <my_ip> on security group since we will be using different port

STAGE 2

install dependencies and docker on the machine

  • install as a root user

  • note: always install through documentation page, updates might have been made on the installation to avoid error

  • installation steps for docker engine on ubuntu

a. Set up the repository

  • Update the apt package index and install packages to allow apt to use a repository over HTTPS:
sudo apt-get update
sudo apt-get install \
    ca-certificates \
    curl \
    gnupg \
    lsb-release

b. Add Docker’s official GPG key:

sudo mkdir -m 0755 -p /etc/apt/keyrings
curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo gpg --dearmor -o /etc/apt/keyrings/docker.gpg

c.Use the following command to set up the repository:

echo \
  "deb [arch=$(dpkg --print-architecture) signed-by=/etc/apt/keyrings/docker.gpg] https://download.docker.com/linux/ubuntu \
  $(lsb_release -cs) stable" | sudo tee /etc/apt/sources.list.d/docker.list > /dev/null

update again

sudo apt-get update

Install Docker Engine, containerd, and Docker Compose

sudo apt-get install docker-ce docker-ce-cli containerd.io docker-buildx-plugin docker-compose-plugin

after installation complete check to comfirm docker is active

systemctl status docker

image

sudo service docker start
sudo docker run hello-world

  • logout from root user to (ubuntu, azureuser, ec2-user)

  • note to add your user to the group that gives permission

sudo vim /etc/group

or

sudo usermod -aG docker <username>
  • note once you are done with this logout confirm and login and logout again and try
docker images #without adding sudo to the command

STAGE 3. prepare an artifact

  • create a working directory
mkdir images/crispy_kitchen

dowload a zip file for html templates from tooplate.com

wget https://www.tooplate.com/zip-templates/2129_crispy_kitchen.zip

install unzip if not available

sudo apt install unzip

unzip files

unzip 2129_crispy_kitchen.zip
  • check that the zipped file has been unzipped
  • and delete unwanted files and navigate into the unzipped filder
cd 2129_crispy_kitchen
  • create the archive with the name you intend to name the artifact and what to include in the archive
tar czvf crispy.tar.gz *
  • create a Dockerfile with no extension in the same directory
vim Dockerfile
  • paste this below
FROM ubuntu:latest

LABEL "Author "="<yourname>"
LABEL "Project"="crispy_kitchen"

ENV DEBIAN_FRONTEND=noninteractive

RUN apt update && apt install git -y
RUN apt install apache2 -y

CMD ["/usr/sbin/apache2ctl","-D", "FOREGROUND"]

EXPOSE 80

WORKDIR /var/www/html
VOLUME /var/log/apache2

ADD crispy-kitchen.tar.gz /var/www/html
#COPY crispy.tar.gz /var/www/html

check your code one more time before building it verify

  • open your web browser and navigate to hub.docker.com site to create your docker account where your repository will be stored

  • login to docker from terminal

  • docker login

  • enter your username and password

  • now build our image

docker build -t <account_name>/crispy_kitchen .

imagebuildprocess

  • run your image with

docker run -d -n crispysite -p 9080:80 <account_name>/crispy_kitchen

ec2

here is the final result, go to the i.p address on the instance to see the homepage

homepage