Speed Up Docker Pulls and Master Container Management with Simple Commands

2. Pull an Image

Example: pull the latest Nginx image.

docker pull nginx

3. First Run of the Image

Run the container in detached mode and map host port 8090 to container port 80:

docker run -d -p 8090:80 --name nginx-container nginx:latest

Sample output shows the container ID and confirms it is running.

4. Inspect Command

docker inspect

provides detailed information about containers, images, networks, volumes, etc.

docker inspect nginx-container

5. Start an Existing Container

docker start <container_id_or_name>
# or restart
docker restart <container_id_or_name>

6. List Containers

docker ps          # running containers
docker ps -a       # all containers

7. Stop a Container

docker stop <container_id_or_name>

8. Enter a Container

docker exec -it <container_id_or_name> /bin/bash

Exiting the shell does not stop the container.

9. View Container Processes

docker top <container_name>

10. Delete a Container

docker stop <container_id_or_name>
docker rm <container_id_or_name>
# Remove all stopped containers
docker rm $(docker ps -aq)

11. List Images

docker images

12. Start All Containers

docker start $(docker ps -a -q)

13. Modify Files Inside a Container

Method 1: Use docker exec with an editor (e.g., vi).

docker exec -it <container_id_or_name> bash
# then edit files inside the container

Method 2: Copy files out, edit on the host, and copy back.

docker cp <container_id_or_name>:/path/to/file /host/path
# edit the file on the host
docker cp /host/path/file <container_id_or_name>:/path/to/file

14. Create a Container with a Specific IP

Docker’s default bridge network assigns IPs automatically. For fixed IPs, create a custom bridge network and run the container on it.

docker network create --driver bridge --subnet 172.19.0.0/16 --gateway 172.19.0.1 mynet

15. View Network Modes

docker network ls

16. Create a New Bridge Network

docker network create --driver bridge --subnet 172.19.0.0/16 --gateway 172.19.0.1 dockercompose

17. Inspect Network Details

docker network inspect dockercompose

18. Run a Container on the Custom Network with a Fixed IP

docker run -it --name nginx-second --network=dockercompose --ip 172.19.0.6 nginx

Verify the IP with:

docker inspect <container_id> | grep "IPAddress"

19. View Volume Information

docker inspect -f {{.Volumes}} <container_name>

These commands cover common Docker operations for image acceleration, container lifecycle management, networking, and file handling.