Official Nginx Docker image - Interactive Code Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the Docker command to pull the official Nginx image from Docker Hub.

Nginx

docker [1] nginx

Drag options to blanks, or click blank then click option'

Arun

Bpull

Cpush

Dbuild

Attempts:

3 left

💡 Hint

Common Mistakes

Using 'run' instead of 'pull' will try to start a container but fail if image is missing.

Using 'push' tries to upload an image, not download.

The docker pull command downloads the official Nginx image from Docker Hub to your local machine.

2fill in blank

medium

Complete the Docker command to start a container named 'webserver' from the official Nginx image, mapping port 8080 on the host to port 80 in the container.

Nginx

docker run -d --name webserver -p [1]:80 nginx

Drag options to blanks, or click blank then click option'

A8080

B80

C443

D8000

Attempts:

3 left

💡 Hint

Common Mistakes

Using 80:80 maps the same port, not 8080.

Using 443 is for HTTPS, not requested here.

Port 8080 on the host is mapped to port 80 inside the container where Nginx listens.

3fill in blank

hard

Fix the error in the Dockerfile line to use the official Nginx image as base.

Nginx

FROM [1]

Drag options to blanks, or click blank then click option'

Aofficial/nginx

Bnginx/latest

Cnginx:latest

Ddocker/nginx

Attempts:

3 left

💡 Hint

Common Mistakes

Using slash instead of colon causes Dockerfile build errors.

Using non-existent image names causes build failure.

The correct syntax for the official Nginx image is nginx:latest. The colon separates the image name and tag.

4fill in blank

hard

Fill both blanks to create a Docker command that runs Nginx in detached mode and removes the container after it stops.

Nginx

docker run [1] [2] nginx

Drag options to blanks, or click blank then click option'

A-d

B-rm

C--rm

D-it

Attempts:

3 left

💡 Hint

Common Mistakes

Using '-rm' instead of '--rm' causes an error.

Using '-it' is for interactive mode, not detached.

-d runs the container in detached mode. --rm removes the container automatically after it stops.

5fill in blank

hard

Fill all three blanks to create a Docker command that runs Nginx, names the container 'mynginx', maps port 8081 on host to 80 in container, and mounts local directory '/home/user/site' to '/usr/share/nginx/html' inside container.

Nginx

docker run -d --name [1] -p [2]:80 -v [3]:/usr/share/nginx/html nginx

Drag options to blanks, or click blank then click option'

Amynginx

B8081

C/home/user/site

D/var/www/html

Attempts:

3 left

💡 Hint

Common Mistakes

Swapping host and container ports in -p flag.

Using wrong local directory path for volume mount.

The container is named 'mynginx'. Port 8081 on host maps to 80 in container. The local directory '/home/user/site' is mounted to serve content.