DevOps exam

Потрібно зробити завдання з мінімальними поясненнями у mobaxterm на linux ubuntu. завдвння виконується у закритій мережі так що images вжу встановлені файлом на самому комп'ютері

Create a docker swarm:

node-1 being the manager of the swarm and node-2 and node-3 being the workers

Prepare a Static HTML Page:

Provide a simple HTML file (e.g., index.html) that should be served by the Nginx web server

- it should include welcome text and a picture

Create a Dockerfile:

Write a Dockerfile to set up an Nginx server that will serve the provided HTML file.

The Dockerfile should:

- Use the nginx: 1.21.6 image in /root (load it if necessary)

- Copy the index.html file into the appropriate directory for Nginx to serve it.

Create a docker-compose.yml file for the keepalived:

Write a docker-compose.yml file to run the keepalived image:

Use the keepalived image in /root (load it if necessary)

run docker-compose.yml on each worker node separately and not in swarm mode (it is recommended to use env file)

Create a docker-compose.yml file for the nginx swarm:

Write a docker-compose.yml file to run the image you created:

it should map port 80 on the host to port 80 in the container.

Write a Bash Script:

Write a Bash script (setup.sh) that:

Builds the docker image from the Dockerfile.

Runs the nginx docker stack via the docker-compose.yml to both workers.

Prints a message indicating that the server is running and accessible.

Final tests:

access http://<virtual_ip> and see that your html page is ok

shut down active node and see that the other node takes the virtual ip

access http://<virtual_ip> again and see that your html page is ok