Question 1. Understanding docker first run

Run docker with the python:3.12.8 image in an interactive mode, use the entrypoint bash.

What's the version of pip in the image?

• Answer: 24.3.1

$ docker run -it --entrypoint bash python:3.12.8

root@efa3e3150bc7:/# pip --version

pip 24.3.1 from /usr/local/lib/python3.12/site-packages/pip (python 3.12)

Question 2. Understanding Docker networking and docker-compose

Given the following docker-compose.yaml, what is the hostname and port that pgadmin should use to connect to the postgres database?

• Answer: db:5432

Reason:

• db: This is the service name of the Postgres container in the docker-compose.yaml file, used as the hostname for communication between containers.
• 5432: This is the internal port of the Postgres container that other services in the Docker network that pgAdming should use.

Question 3. Trip Segmentation Count

Answers: